WO2018070539A1 - イソシアネート組成物及びイソシアネート重合体の製造方法 - Google Patents
イソシアネート組成物及びイソシアネート重合体の製造方法 Download PDFInfo
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- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
- C08G18/735—Polyisocyanates or polyisothiocyanates acyclic containing one isocyanate or isothiocyanate group linked to a primary carbon atom and at least one isocyanate or isothiocyanate group linked to a tertiary carbon atom
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Definitions
- the present invention relates to an isocyanate composition and a method for producing an isocyanate polymer.
- This application claims priority based on Japanese Patent Application No. 2016-203092 and Japanese Patent Application No. 2016-203098 for which it applied to Japan on October 14, 2016, and uses the content here.
- Polyurethane having a urethane bond is a polymer produced mainly by the reaction of a difunctional or higher isocyanate with a difunctional or higher alcohol, and is excellent in tensile strength, abrasion resistance and oil resistance.
- Flexible foam, rigid foam, elastomer It is used in a wide range of fields such as adhesives, paints, and binders.
- polyurethanes made from chain or cyclic aliphatic isocyanates are excellent in weather resistance and light resistance, and are used in fields requiring appearance quality such as baking coating, automobile clear coating materials, coil coating materials and the like.
- Diisocyanate which is a bifunctional isocyanate, is often used as the isocyanate.
- diisocyanate is polymerized by the reaction represented and used as an isocyanate polymer.
- R represents a divalent organic group
- R ′ represents a trivalent organic group.
- an isocyanurate type isocyanate polymer is obtained.
- a biuret type isocyanate polymer is obtained, and the reaction represented by the formula (c). Then, a urethane type isocyanate polymer is obtained.
- Patent Documents 1 to 6 disclose biuret type isocyanate polymers.
- Patent Documents 7 to 10 disclose isocyanurate type isocyanate polymers.
- the allophanate type isocyanate polymer is disclosed in Patent Documents 11 and 12.
- the isocyanate composition tends to have a high viscosity during storage or a gel component may be generated.
- an isocyanate having a high viscosity or a gel component is used as, for example, a coating material, uneven coating may occur, coating film performance may be deteriorated, or the appearance may be impaired.
- a bifunctional diisocyanate for example, a biuret bond on the right side of the formula (b) is generated by mixing with a small amount of water to make it trifunctional, and this becomes a source of cross-linking.
- the isocyanate composition may have a high viscosity during storage or a gel component may be generated during storage.
- Bifunctional isocyanates are less likely to have trifunctional or higher functional isocyanates.
- an object of the present invention is to provide an isocyanate composition excellent in storage stability, which contains a difunctional diisocyanate and / or a trifunctional or higher functional isocyanate.
- Another object of the present invention is to provide a method for producing an isocyanate polymer by polymerization of the isocyanate composition.
- the present inventors have achieved an isocyanate polymer in which the above-mentioned problems can be achieved by an isocyanate composition comprising a specific component, and coloration is sufficiently suppressed by a production method using the isocyanate composition.
- the inventors have found that it can be manufactured, and have completed the present invention. That is, the present invention is as follows.
- a trifunctional or higher functional isocyanate compound 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less of the isocyanate compound based on the isocyanate compound, and at least one unsaturated bond other than the unsaturated bond constituting the aromatic ring
- a compound having An isocyanate composition containing (2) The isocyanate composition according to (1), wherein the compound having at least one unsaturated bond is a compound having UV absorption in a region of an isocyanate decamer or higher in a measurement spectrum by gel permeation chromatography. . (3) The isocyanate composition according to (1), wherein the compound having at least one unsaturated bond is a compound represented by the following formula (1).
- R 1 is an aliphatic group having 2 to 10 carbon atoms or an aromatic group having 6 to 10 carbon atoms and may contain an isocyanate group
- R 2 has 2 to 10 carbon atoms. It is an aliphatic group or an aromatic group having 2 to 25 carbon atoms and does not contain an isocyanate group, and a represents an integer of 1 or 2.
- (6) The above (1) to (5), further containing 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less of halogen atoms not derived from a halogenated hydrocarbon compound based on the isocyanate compound. ) Isocyanate composition according to any one of the above.
- a trifunctional or higher functional isocyanate compound 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less of sulfuric acid and / or sulfuric acid ester and / or based on the isocyanate compound
- An isocyanate composition containing 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less of phosphoric acid and / or phosphate ester.
- (10) 1.0 mass ppm to 1.0 ⁇ 10 3 mass ppm of sulfuric acid and / or sulfate and / or 1.0 mass ppm to 1.0 ⁇ 10 3 based on the isocyanate compound Isocyanate composition as described in said (9) containing phosphoric acid and / or phosphate ester of mass ppm or less.
- (11) A method for producing an isocyanate polymer in which the isocyanate compound contained in the isocyanate composition according to any one of (1) to (10) is reacted.
- the isocyanate polymer is a unit represented by the following formula (A) or (B), and the following formulas (2), (3), (4), (5), (6), (7) and (8). And at least one unit selected from the group consisting of units represented by The manufacturing method in which the nitrogen atom which comprises the said isocyanate polymer has couple
- each R 3 independently represents a residue obtained by removing two isocyanate groups from the isocyanate compound, and each R 4 independently represents a monovalent organic group.
- an isocyanate composition containing a bifunctional diisocyanate and / or a trifunctional or higher functional isocyanate having improved storage stability is provided.
- the method of polymerizing the said isocyanate composition and manufacturing a polyisocyanate composition is provided.
- the present invention is a compound different from the isocyanate of 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less of a bifunctional or higher functional isocyanate compound and the isocyanate compound as a reference, A compound having at least one unsaturated bond other than an unsaturated bond constituting an aromatic ring, or 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less of sulfuric acid based on the isocyanate compound, and / or Alternatively, an isocyanate composition containing sulfuric acid ester and / or phosphoric acid and / or phosphoric acid ester of 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less is provided.
- the isocyanate compound is preferably contained in an amount of 97% by mass or more based on the total mass of the isocyanate composition.
- the isocyanate composition of this embodiment is excellent in storage stability despite containing bifunctional or higher isocyanate.
- that the isocyanate composition is excellent in storage stability means that, even when the isocyanate composition is stored for a long period of time, the increase in viscosity is suppressed and the generation of gel components is suppressed. It means that an increase in the chromaticity of the composition is suppressed.
- the long-term storage means, for example, storing for 100 days or more, for example, 200 days or more, for example, 300 days or more, for example, 500 days or more. Therefore, it can also be said that the isocyanate composition of the present embodiment is a “long-term storage isocyanate composition”.
- the compound having at least one unsaturated bond other than the unsaturated bond constituting the aromatic ring, or sulfuric acid, sulfate ester, phosphoric acid and / or phosphate ester is a difunctional diisocyanate and / or trifunctional. It can also be said that these are isocyanate compound quality retainers, stabilizers, viscosity-inhibiting inhibitors, gel component generation inhibitors, chromaticity increase inhibitors, and the like.
- the compound contained in the isocyanate composition of this embodiment is demonstrated.
- ⁇ Bifunctional or higher isocyanate compound a compound represented by the following formula (10) is preferably used.
- c represents an integer of 2 or more
- R 33 represents a c-valent organic group.
- R 33 is preferably an organic group having 3 to 85 carbon atoms, and more preferably an organic group having 3 to 30 carbon atoms.
- R 33 represents an aliphatic group, an aromatic group, or a group formed by bonding an aliphatic group and an aromatic group.
- R 33 include cyclic hydrocarbon groups (monocyclic hydrocarbon groups, condensed polycyclic hydrocarbon groups, bridged cyclic hydrocarbon groups, spiro hydrocarbon groups, ring assembly hydrocarbon groups, side chain hydrocarbon groups, A cyclic hydrocarbon group), a heterocyclic group, a heterocyclic spiro group, a heterocyclic group such as a hetero-bridged cyclic group, an acyclic hydrocarbon group, an acyclic hydrocarbon group and one or more rings
- Examples include a group bonded to a formula group, and a group in which the group is covalently bonded to a specific nonmetallic atom (carbon, oxygen, nitrogen, sulfur, or silicon).
- covalently bonded to a specific nonmetallic atom means, for example, a state in which the group is covalently bonded to any group represented by the following formulas (1
- the isocyanate compound is preferably an integer of 2 to 5, more preferably 2 in the formula (10), considering the ease of production and the ease of handling. Or 3, more preferably c is 3.
- an isocyanate compound having a bonding mode represented by the formulas (11) to (16), (18), (20), (23) is preferable.
- An isocyanate compound having a bonding mode represented by the formula (12) or (18) is more preferable.
- Examples of the bifunctional diisocyanate compound in which c is 2 in the formula (10) include aliphatic diisocyanates having 4 to 30 carbon atoms, alicyclic diisocyanates having 8 to 30 carbon atoms, and aromatic compounds having 8 to 30 carbon atoms. Diisocyanates containing groups are preferably used. Specific examples of aliphatic diisocyanates having 4 to 30 carbon atoms include 1,4-tetramethylene diisocyanate, 1,5-pentamethylene diisocyanate, 1,4-diisocyanato-2-methylbutane, and 1,6-hexamethylene diisocyanate.
- Specific examples of the alicyclic diisocyanate having 8 to 30 carbon atoms include isophorone diisocyanate, 1,3-bis (isocyanatemethyl) -cyclohexane, 4,4′-dicyclohexylmethane diisocyanate, hydrogenated tetramethylxylylene diisocyanate, And norbornene diisocyanate.
- diisocyanate containing an aromatic group having 8 to 30 carbon atoms examples include 4,4′-diphenylmethane diisocyanate, 2,6-tolylene diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, and naphthalene diisocyanate.
- the structural isomer when a structural isomer exists in an above described compound, the structural isomer is also contained in the said example.
- the bifunctional isocyanate a compound obtained by dimerizing two molecules of the bifunctional isocyanate through a urea bond, a uretdione structure, or the like can also be used.
- an isocyanate compound represented by the following formula (24) is preferably used as the trifunctional isocyanate.
- a plurality of Y 1 each independently represent a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms which may contain an ester structure and / or an ether structure.
- R 24 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 12 carbon atoms.
- R 24 is preferably an aliphatic group having 1 to 10 carbon atoms or an aromatic group having 6 to 10 carbon atoms, specifically a methyl group, an ethyl group
- examples include aliphatic groups such as propyl group, butyl group, pentyl group, hexyl group and decyl group, and aromatic groups such as phenyl group, methylphenyl group, ethylphenyl group, butylphenyl group, dimethylphenyl group and diethylphenyl group.
- Y 1 is preferably a divalent aliphatic group having 1 to 100 carbon atoms, a divalent aromatic group having 6 to 100 carbon atoms, or 2 to 100 carbon atoms.
- a divalent group is mentioned.
- Examples of more specific isocyanate compounds represented by the formula (24) include Y 1 in the formula (24), a divalent aliphatic group having 1 to 100 carbon atoms, and a group having 6 to 100 carbon atoms.
- a compound which is a divalent aromatic group a compound represented by the following formula (25) or formula (26) or formula (27) is preferable, and a compound represented by the following formula (25) or formula (27) is more preferable.
- Y 1 is a divalent aliphatic group having 1 to 100 carbon atoms or a divalent aromatic group having 6 to 100 carbon atoms.
- 1,8-diisocyanate-4- Isocyanatomethyloctane, 1,3,6-triisocyanatohexane, 1,8-diisocyanato-4- (isocyanatomethyl) -2,4,7-trimethyloctane, 1,5-diisocyanato-3- (isocyanatomethyl) Pentane, 1,6,11-triisocyanatoundecane, 1,4,7-triisocyanatoheptane, 1,2,2-triisocyanatobutane, 1,2,6-triisocyanatohexane, 1-isocyanato- 2,2-bis (isocyanatomethyl) butane, 1,3,5-triisocyanatocyclohexane, 1,7-diisocyanato-4- (3-isocyanate Anatopropyl) heptane, 1,3-diisocyanato-2- (isocyanatomethyl) -2-methylpropane, 1,3,
- d, g and i each independently represent an integer of 1 to 4
- e, f and h each independently represent an integer of 0 to 5
- j, k and l each independently 0 or 1 is represented.
- X ′ represents a hydrocarbon group having 1 to 4 carbon atoms
- m, n, and q each represents an integer of 1 or more, and the sum of m, n, and q is 3 to 99.
- P represents an integer of 0 to 3.
- the isocyanate compound a compound represented by the following formula (27) is also preferably used, and a compound represented by the following formula (27-1) is more preferably used.
- X 2 to X 4 each independently represent a hydrogen atom or a monovalent hydrocarbon group having 1 to 12 carbon atoms
- Y 4 to Y 6 each independently It represents a divalent hydrocarbon group having 1 to 20 carbon atoms or a single bond which may contain an ester structure and / or an ether structure.
- X 2 to X 4 are preferably groups defined by R 24 in the formula (24), and Y 4 to Y 6 are preferably a single bond A divalent aliphatic group having 1 to 20 carbon atoms, a divalent aromatic group having 6 to 20 carbon atoms, and an aliphatic group and aliphatic group having 2 to 20 carbon atoms bonded in an ester structure A divalent group having 2 to 20 carbon atoms and an aliphatic group and an aliphatic group bonded in an ether structure, and having 7 to 20 carbon atoms and an aliphatic group and an aromatic group A divalent group bonded by an ester structure, a divalent group having 7 to 20 carbon atoms and an aliphatic group and an aromatic group bonded by an ether structure, an aromatic group having 14 to 20 carbon atoms, and A divalent group in which an aromatic group is bonded by an ester structure, which has 14 to 20 carbon atoms, and the aromatic group and the aromatic group are
- X 2 to X 4 are more preferably a hydrogen atom or an alkyl group having 1 to 6 carbon atoms
- Y 4 to Y 6 are more preferably a single bond or a carbon atom having 1 to 6 carbon atoms. 6 alkylene group.
- the trifunctional isocyanate a compound obtained by trimerization of three molecules of the bifunctional isocyanate through an isocyanurate ring structure or a biuret bond can also be used.
- Specific examples of the compound represented by the formula (27) include 1,3,5-triisocyanatobenzene, 1,3,5-triisocyanato-2-methylbenzene, 1,3,5-tris ( 1-isocyanatopropan-2-yl) benzene, 1,3,5-tris (1-isocyanatopropan-2-yl) -2-methylbenzene, 1,3,5-tris (1-isocyanatomethyl) -2-methylbenzene, 2,2 ′-((2-isocyanato-1,3-phenylene) bis (methylene)) bis (isocyanatebenzene) and the like.
- the isocyanate composition of this embodiment contains the compound which has at least 1 unsaturated bond other than the unsaturated bond which comprises an aromatic ring other than the said isocyanate compound with the isocyanate compound more than bifunctional.
- the compound having an unsaturated bond according to the present embodiment has at least one unsaturated bond other than the unsaturated bond constituting the aromatic ring.
- the unsaturated bond is a carbon-carbon unsaturated bond, a carbon-nitrogen unsaturated bond, or a carbon-oxygen unsaturated bond.
- the unsaturated bond is preferably a compound in which the double bond is a carbon-carbon double bond (C ⁇ C) or a carbon-oxygen double bond (C ⁇ O). More preferred.
- the carbon atom which comprises this compound has couple
- the carbon-carbon double bond may be a carbon-carbon double bond constituting an aromatic ring, but the unsaturated bond contained in the unsaturated bond compound in the isocyanate composition of the present embodiment The bond does not include the carbon-carbon double bond constituting the aromatic ring.
- unsaturated bond compounds include compounds represented by the following formula (28), carbonic acid derivatives (N-unsubstituted carbamic acid esters, carbonic acid esters, N-substituted carbamic acid esters), and spectrum measured by gel permeation chromatography.
- a compound having UV absorption in a region of an isocyanate decamer or higher, a compound containing an isocyanurate group and / or a biuret group, or a compound represented by the following formula (1) can be given.
- the unsaturated bond compound is preferably a compound having UV absorption in a region of an isocyanate decamer or higher in a measurement spectrum by gel permeation chromatography, or a compound represented by the following formula (1).
- R 1 is an aliphatic group having 2 to 10 carbon atoms or an aromatic group having 6 to 10 carbon atoms, and may contain an isocyanate group
- R 2 has 2 carbon atoms.
- An aliphatic group having 10 to 10 carbon atoms or an aromatic group having 6 to 25 carbon atoms and containing no isocyanate group, a represents an integer of 1 or 2;
- R 5 , R 6 , R 7 and R 8 each independently represent a hydrogen atom, a halogen atom or an organic group having 1 to 10 carbon atoms, and R 5 to R 8 are simultaneously hydrogen.
- R 5 is not an atom but R 5 is a hydrogen atom or a halogen atom, r represents 1, and when R 5 is an organic group having 1 to 10 carbon atoms, r represents an integer of 1 to 3.
- the compound having UV absorption in the region of the isocyanate decamer or higher is a compound having a 1-nylon body structure represented by the following formula (37) as a main skeleton. Is preferred.
- R 29 represents a residue obtained by removing one isocyanate group from the bifunctional or higher functional isocyanate compound, and w represents an integer of 1 or greater. Moreover, the terminal group is not described.
- the isocyanate constituting the compound having UV absorption in the region of the isocyanate decamer or higher is the same type of isocyanate as the isocyanate compound constituting the isocyanate composition of the present embodiment. May be different isocyanates, and can be selected from the isocyanate compounds mentioned in the above section ⁇ Bifunctional or higher isocyanate compound>.
- the compound is defined by GPC measurement. Specifically, in GPC using tetrahydrofuran as a developing solvent, when polystyrene is used as a molecular weight standard substance, a peak having UV absorption at a wavelength of 254 nm is exhibited in a region of an isocyanate decamer or higher. In the measurement spectrum by gel permeation chromatography (GPC), the concentration of the compound having UV absorption in the region of isocyanate decamer or higher is equipped with a UV detector and a differential refractive index detector in GPC (connected in parallel).
- GPC gel permeation chromatography
- the compound containing an isocyanurate group and / or a biuret group is a compound containing a group represented by the following formula (6 ′) or formula (7 ′).
- R 29 represents a residue obtained by removing one isocyanate group from a bifunctional or higher functional isocyanate compound.
- the isocyanate constituting the compound having an isocyanurate group and / or biuret group may be the same type of isocyanate as the isocyanate compound constituting the isocyanate composition of the present embodiment, or may be a different isocyanate. It can be selected from the isocyanate compounds mentioned in the section above.
- the amount of the compound containing an isocyanurate group and / or a biuret group in the isocyanate composition may be an amount obtained by adding a compound containing an isocyanurate group and / or a biuret group, or GPC using a developing solvent as tetrahydrofuran. Can also be quantified.
- a differential refractive index detector is provided in GPC, and the peak area (A) corresponding to the isocyanate compound in the differential refractive index, isocyanurate group and / or It is calculated by (B) / (A) from the area (B) of the peak corresponding to the compound containing a biuret group.
- R 1 is an aliphatic group having 2 to 10 carbon atoms or an aromatic group having 6 to 10 carbon atoms and may contain an isocyanate group
- R 2 has 2 to 10 carbon atoms. It is an aliphatic group or an aromatic group having 6 to 25 carbon atoms and does not contain an isocyanate group, and a represents an integer of 1 or 2.
- R 1 is an aliphatic group having 2 to 10 carbon atoms or an aromatic group having 6 to 10 carbon atoms.
- the aliphatic group are methane, ethane, propane, butane, heptane. , Hexane, heptane, octane, nonane, decane, and the like.
- aromatic groups include benzene, methylbenzene, ethylbenzene, butylbenzene, octylbenzene, and nonyl.
- R 1 is preferably a residue obtained by removing a hydrogen atom from an alkane having 2 to 10 carbon atoms or a residue obtained by removing a hydrogen atom from benzene.
- R 2 represents an aliphatic group having 2 to 15 carbon atoms or an aromatic group having 6 to 25 carbon atoms and does not contain an isocyanate group, preferably 5 to 15 carbon atoms. Represents an alkyl group.
- Specific compounds include ethyl acetate, butyl acetate, hexyl acetate, methyl propionate, ethyl butyrate, butyl butyrate, ethyl valerate, butyl valerate, ethyl hexanoate, ethyl octoate, butyl caprate, phenyl acetate, acetic acid
- Examples include benzyl, methyl benzoate, ethyl benzoate, phenyl benzoate, benzyl benzoate, diethyl phthalate, dibutyl phthalate, benzyl butyl phthalate, di-2-ethylhexyl phthalate, diisodecyl adipate, triisodecyl trimellate, etc. It is done.
- R 1 may contain an isocyanate group.
- the compound represented by the formula (1) is represented by the following formulas (38) and (39). It may be a compound.
- R 2 represents a group defined by the formula (1)
- R 30 represents a hydrogen atom, an aliphatic group having 1 to 8 carbon atoms or an aromatic group having 6 to 8 carbon atoms, and an isocyanate group.
- R 31 represents a hydrogen atom, an aliphatic group having 1 to 7 carbon atoms or an aromatic group having 6 or 7 carbon atoms, and may further contain an isocyanate group.
- the compound represented by said Formula (1) has the same structure as the isocyanate compound in the composition of this embodiment, the said compound is defined as an isocyanate compound.
- the compound group represented by the following formula is illustrated.
- the compound represented by the said Formula (1) has the same structure as the isocyanate compound in the composition of this embodiment, the said compound is defined as an isocyanate compound.
- R 5 , R 6 , R 7 and R 8 each independently represent a hydrogen atom, a halogen atom or an organic group having 1 to 10 carbon atoms, and R 5 to R 8 are simultaneously hydrogen.
- R 5 is not an atom but R 5 is a hydrogen atom or a halogen atom, r is 1, and when R 5 is an organic group having 1 to 10 carbon atoms, r represents an integer of 1 to 3.
- R 5 is preferably a hydrogen atom or an organic group having 1 to 10 carbon atoms.
- R 5 is an organic group, it is preferably an aliphatic group having 1 to 10 carbon atoms or an aromatic group having 6 to 10 carbon atoms.
- R 5 is a group formed by removing r hydrogen atoms from an alkane such as methane, ethane, propane, butane, pentane, hexane, heptane, octane, nonane, decane and structural isomers thereof; Groups formed by removing r hydrogen atoms from cycloalkane such as cyclopentane, cyclohexane, cycloheptane, cyclooctane; methylcyclopentane, ethylcyclopentane, methylcyclohexane, ethylcyclohexane, propylcyclohexane, butylcyclohexane, pentylcyclohexane A group formed by removing r hydrogen atoms from a cycloalkane substituted with a chain alkyl group such as hexylcyclohexane, dimethylcyclohexane, die
- R 6 to R 8 are preferably a hydrogen atom or an organic group having 1 to 10 carbon atoms.
- R 6 to R 8 are organic groups, they are preferably aliphatic groups having 1 to 10 carbon atoms or aromatic groups having 6 to 10 carbon atoms.
- examples of such R 6 to R 8 include methyl groups, ethyl groups, propyl groups, butyl groups, pentyl groups, hexyl groups, heptyl groups, octyl groups, nonyl groups, decyl groups, and alkyl groups such as structural isomers thereof.
- Chain alkyloxy groups such as methyloxy group, ethyloxy group, propyloxy group, butyloxy group, pentyloxy group, hexyloxy group, heptyloxy group, octyloxy group, nonyloxy group, decyloxy group and structural isomers thereof; Cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclooctyl group, methylcyclopentyl group, ethylcyclopentyl group, methylcyclohexyl group, ethylcyclohexyl group, propylcyclohexyl group, butylcyclohexyl group, pentylcyclohexyl group, hexylcyclohexyl group, di Cycloalkyl groups such as til cyclohexyl group, diethyl cyclohexyl group, dibutyl cyclohex
- Specific examples of the compound represented by the formula (28) include propene, butene, pentene, 2-methylbutene, 2,4,4-trimethylpentene, hexene, octene, nonene, decene, hexadecene, octadecene, butadiene.
- the carbonic acid derivative used for the isocyanate composition of this embodiment is represented by the following formula (29).
- Z 1 and Z 2 each independently represent a residue obtained by removing a hydrogen atom from a hydroxy compound, or an amino group optionally substituted with an organic group.
- Examples of the compound represented by the formula (29) include urea compounds, N-unsubstituted carbamic acid esters, carbonate esters, and N-substituted carbamic acid esters.
- a urea compound is a compound having at least one urea bond in the molecule.
- the urea compound used in the isocyanate composition of the present embodiment is preferably a compound having one urea bond and is represented by the following formula (30).
- R 9 , R 10 , R 11, and R 12 are each independently an aliphatic group having 1 to 20 carbon atoms, or a fatty acid substituted with an aromatic compound having 7 to 20 carbon atoms.
- R 9 , R 10 , R 11 and R 12 are specifically hydrogen atom; methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl.
- a chain alkyl group such as a group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group; phenyl group, Methylphenyl group, ethylphenyl group, propylphenyl group, butylphenyl group, pentylphenyl group, hexylphenyl group, heptylphenyl group, octylphenyl
- urea compound represented by the formula (30) examples include urea, methyl urea, ethyl urea, propyl urea, butyl urea, pentyl urea, hexyl urea, heptyl urea, octyl urea, nonyl urea, decyl urea.
- N-unsubstituted carbamic acid ester a compound represented by the following formula (31) is preferably used.
- R 13 represents an aliphatic group having 1 to 20 carbon atoms, an aliphatic group substituted with an aromatic group having 7 to 20 carbon atoms, or an aromatic group having 6 to 20 carbon atoms. Represents a group.
- examples of the aliphatic group represented by R 13 include a group not containing active hydrogen, which is a chain hydrocarbon group, a cyclic hydrocarbon group, and a chain hydrocarbon. And a group composed of a group and a cyclic hydrocarbon group.
- the aliphatic group for R 13 may contain an atom other than carbon and hydrogen, and the atom is preferably a specific nonmetallic atom (for example, oxygen, nitrogen, sulfur, silicon, or halogen atom).
- the aliphatic group for R 13 is preferably an aliphatic group containing an oxygen atom as an atom other than carbon and hydrogen, or an aliphatic group containing no atom other than carbon and hydrogen.
- aliphatic group substituted with an aromatic group of R 13 a linear or branched alkyl group having 1 to 14 carbon atoms is substituted with an aromatic group having 6 to 19 carbon atoms.
- the aliphatic group substituted with the aromatic group may contain atoms other than carbon and hydrogen.
- the chain- or branched-chain alkyl group is a group that does not contain active hydrogen, and may contain atoms other than carbon and hydrogen, and the atoms may be specific non-metal atoms (oxygen, nitrogen, sulfur, silicon). Or a halogen atom).
- aromatic groups include groups that do not contain active hydrogen, and include monocyclic aromatic groups, condensed polycyclic aromatic groups, bridged cyclic aromatic groups, ring assembly aromatic groups, and heterocyclic rings. And a formula aromatic group.
- the aromatic group may contain atoms other than carbon and hydrogen, and the atoms other than hydrogen are preferably specific nonmetallic atoms (oxygen, nitrogen, sulfur, silicon, or halogen atoms).
- the aromatic group is preferably a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted anthryl group.
- the aliphatic group and the aromatic group are preferably a group containing an oxygen atom as an atom other than carbon and oxygen, or a hydrocarbon group not containing an atom other than carbon and hydrogen.
- the substituent include a hydrogen atom, an aliphatic group (a chain hydrocarbon group, a cyclic hydrocarbon group, and a group composed of a chain hydrocarbon group and a cyclic hydrocarbon group), an aliphatic group, A group composed of an aromatic group can be exemplified.
- R 13 examples include methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, A linear alkyl group having 1 to 50 carbon atoms such as a pentadecyl group, a hexadecyl group, a heptadecyl group, an octadecyl group, a nonadecyl group, an eicosyl group; a phenyl group, a methylphenyl group, an ethylphenyl group, a propylphenyl group, a butylphenyl group, Pentylphenyl group, hexylphenyl group, heptylphenyl group, octylphenyl group, nonylpheny
- N-unsubstituted carbamic acid ester represented by the formula (31) include methyl carbamate, ethyl carbamate, propyl carbamate, butyl carbamate, pentyl carbamate, hexyl carbamate, and carbamic acid.
- the carbonate ester refers to a compound in which one or two hydrogen atoms of carbonic acid (CO (OH) 2 ) are substituted with an aliphatic group or an aromatic group.
- CO (OH) 2 carbonic acid
- isocyanate composition of the present embodiment a compound represented by the following formula (32) is preferably used.
- R 14 and R 15 each independently represents an aliphatic group having 1 to 20 carbon atoms, an aliphatic group having 7 to 20 carbon atoms substituted with an aromatic group, or a carbon atom. Represents an aromatic group of formula 6-20.
- R 14 and R 15 include the same groups as R 13 in the formula (31). Among these, R 14 and R 15 preferably each independently represent an alkyl group having 1 to 6 carbon atoms or a phenyl group.
- carbonate represented by the formula (32) include dimethyl carbonate, diethyl carbonate, dipropyl carbonate, dibutyl carbonate, dipentyl carbonate, dihexyl carbonate, diheptyl carbonate, dioctyl carbonate, dinonyl carbonate, didecyl carbonate, carbonic acid.
- N-substituted carbamic acid ester examples include compounds represented by the following formula (33).
- the N-substituted carbamic acid ester is also one of the more preferred embodiments of the compound represented by the formula (1).
- R 28 represents a residue obtained by removing an isocyanate group from the isocyanate compound
- R 28 represents an organic group
- s is an integer of 1 to c, where c is the number of isocyanate groups in the isocyanate compound.
- T represents an integer obtained by subtracting s from c.
- R 28 represents a residue obtained by removing an isocyanate group from the isocyanate compound represented by the formula (24), (25), (26), or (27).
- c depends on the number of isocyanate groups of the isocyanate compound constituting the isocyanate composition of the present embodiment, and when the isocyanate compound is a trifunctional isocyanate compound, c is 3, and c is 5 when the isocyanate compound is a pentafunctional isocyanate compound.
- R 28 is an isocyanate compound represented by the formula (24), (25), (26) or (27), c is 3.
- c is an integer of 2 or more, as is clear from the fact that the isocyanate compound is a bifunctional or higher isocyanate compound.
- R 27 is derived from a hydroxy compound and can be represented as a residue excluding the hydroxy group (—OH) constituting the hydroxy compound.
- hydroxy compounds obtained by adding a hydroxy group to R 27 as (R 27 OH) defines the R 27.
- the hydroxy compound (R 27 OH) may be an alcohol or an aromatic hydroxy compound.
- the hydroxy compound (R 27 OH) is an alcohol, the hydroxy compound is a compound represented by the following formula (34).
- R 16 is an aliphatic group having 1 to 20 carbon atoms or an aliphatic group having 7 to 20 carbon atoms bonded to it, which is substituted with u hydroxy groups.
- u represents an integer of 1 to 3.
- R 16 is a group having no active hydrogen other than the hydroxy group.
- examples of the aliphatic group represented by R 16 include a chain hydrocarbon group, a cyclic hydrocarbon group, and a chain hydrocarbon group and a cyclic hydrocarbon group bonded together.
- Groups for example, a cyclic hydrocarbon group substituted with a chain hydrocarbon group, a chain hydrocarbon group substituted with a cyclic hydrocarbon group, and the like).
- the aliphatic group for R 16 may contain an atom other than a carbon atom and a hydrogen atom, and the atom is preferably a specific nonmetallic atom (oxygen, nitrogen, sulfur, silicon, or halogen atom).
- the aliphatic group for R 16 is preferably an aliphatic group containing oxygen as an atom other than carbon and hydrogen or an aliphatic group not containing an atom other than carbon and hydrogen.
- examples of the aliphatic group to which an aromatic group is bonded include an alkyl group and a cycloalkyl group to which an aromatic group having 6 to 12 carbon atoms is bonded.
- examples of the aromatic group bonded to the aliphatic group include a monocyclic aromatic group, a condensed polycyclic aromatic group, a bridged cyclic aromatic group, a ring assembly aromatic group, and a heterocyclic aromatic group.
- Preferred are a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, and a substituted or unsubstituted anthryl group.
- the aromatic group may have an atom other than a carbon atom and a hydrogen atom, and the atom other than the hydrogen atom is a specific nonmetallic atom (oxygen, nitrogen, sulfur, silicon, or halogen atom). Is preferred.
- R 16 examples include methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, dodecyl, octadecyl, and the like.
- Chain cycloalkyl groups such as structural isomers of the above; cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclooctyl group and cycloalkyl groups such as these structural isomers; methylcyclopentyl group, ethylcyclopentyl group, methylcyclohexyl group, ethylcyclohexyl Chain alkyl groups and cycloalkyl groups such as groups, propylcyclohexyl groups, butylcyclohexyl groups, pentylcyclohexyl groups, hexylcyclohexyl groups, dimethylcyclohexyl groups, diethylcyclohexyl groups, dibutylcyclohexyl groups and their structural isomers.
- Aralkyl such as phenylmethyl group, phenylethyl group, phenylpropyl group, phenylbutyl group, phenylpentyl group, phenylhexyl group, phenylheptyl group, phenyloctyl group, phenylnonyl group and structural isomers thereof Groups and the like.
- R 16 is preferably an alkyl group having 1 to 10 carbon atoms or a cycloalkyl group having 3 to 10 carbon atoms.
- alcohol examples include methyl alcohol, ethyl alcohol, propyl alcohol, butyl alcohol, pentyl alcohol, hexyl alcohol, heptyl alcohol, octyl alcohol, nonyl alcohol, decyl alcohol, dodecyl alcohol, octadecyl alcohol, and structural isomers thereof.
- Unsubstituted alkyl alcohols of the following: Unsubstituted cycloalkyl alcohols such as cyclopentyl alcohol, cyclohexyl alcohol, cycloheptyl alcohol, cyclooctyl alcohol and structural isomers thereof; methylcyclopentyl alcohol, ethylcyclopentyl alcohol, methylcyclohexyl alcohol, ethylcyclohexyl alcohol, propyl Cyclohexyl alcohol, butyl cyclohexyl alcohol , Pentylcyclohexyl alcohol, hexylcyclohexyl alcohol, dimethylcyclohexyl alcohol, diethylcyclohexyl alcohol, dibutylcyclohexyl alcohol, and alcohols composed of chain alkyl groups and cycloalkyl alcohols such as these structural isomers; phenylmethyl alcohol, phenylethyl alcohol Alkyl alcohol substituted with aromatic groups such as
- the hydroxy compound (R 27 OH) is an aromatic hydroxy compound, it can be used industrially and generally has a low viscosity, so that it is monovalent to trivalent (that is, a hydroxy group bonded to an aromatic ring is 1 to 3 integer) aromatic hydroxy compounds are preferred.
- aromatic hydroxy compound the compound represented by following formula (35) is mentioned, for example.
- ring A represents an aromatic hydrocarbon ring which may have a substituent, ring A may be monocyclic or polycyclic, and v represents an integer of 1 to 3.
- aromatic hydroxy compounds represented by the above formula (35) more preferred is a monovalent aromatic hydroxy compound in which v is 1.
- the substituent that the ring A can have include a halogen atom, an aliphatic group, and an aromatic group.
- the substituent may be a cyclic hydrocarbon group (monocyclic hydrocarbon group, condensed polycyclic hydrocarbon group, bridged cyclic hydrocarbon group, spiro hydrocarbon group, ring assembly hydrocarbon group, side chain A cyclic hydrocarbon group), a heterocyclic group, a heterocyclic spiro group, a heterocyclic group such as a hetero-bridged cyclic group, an acyclic hydrocarbon group, and an acyclic hydrocarbon group and a cyclic group.
- a group in which more than one species are bonded can be exemplified.
- substituents that can be preferably used in the present embodiment are acyclic hydrocarbon groups and cyclic hydrocarbon groups (monocyclic hydrocarbon groups) in view of the difficulty of side reactions.
- a group selected from the group consisting of a condensed polycyclic hydrocarbon group, a bridged cyclic hydrocarbon group, a spiro hydrocarbon group, a ring assembly hydrocarbon group, a cyclic hydrocarbon group having a side chain, and the above group A group in which at least two groups selected from the above are bonded to each other (a group substituted with each other).
- Preferred substituents for substituting ring A are groups selected from the group consisting of alkyl groups, cycloalkyl groups, aryl groups, aralkyl groups, ether groups (substituted or unsubstituted alkyl ethers, aryl ethers or aralkyl ethers), A group in which two or more groups selected from the above groups are bonded to each other; a group selected from two or more groups in the above is a group linked by a saturated hydrocarbon bond or an ether bond, or a halogen atom, Examples thereof include groups in which the total number of carbon atoms constituting and the number of carbon atoms constituting all substituents replacing ring A is an integer of 6 to 50.
- Ring A includes a benzene ring, naphthalene ring, anthracene ring, phenanthrene ring, naphthacene ring, chrysene ring, pyrene ring, triphenylene ring, pentalene ring, azulene ring, heptalene ring, indacene ring, biphenylene ring, acenaphthylene ring, and aceanthrylene.
- Ring A preferably includes at least one structure selected from a benzene ring and a naphthalene ring.
- aromatic hydroxy compounds having a benzene ring as a skeleton which are easily available, are preferable from the viewpoint of industrial use.
- aromatic hydroxy compound include an aromatic hydroxy compound represented by the following formula (36).
- R 17 , R 18 , R 19 , R 20 and R 21 each independently represent a chain alkyl group, a cycloalkyl group, an aryl group, a chain alkyl group to which an aromatic group is bonded, A group selected from the group consisting of a cycloalkyl group to which an aromatic group is bonded, an ether group (substituted or unsubstituted alkyl ether, aryl ether or an alkyl ether to which an aromatic group is bonded); selected from two or more of the above groups group is attached group together to; group group selected from 2 or more kinds of the groups linked by saturated aliphatic bonds or ether bond; a halogen atom; indicates or hydrogen atom, the carbon constituting the R 17 ⁇ R 21
- the total number of atoms is an integer from 0 to 44.
- R 17 to R 21 are groups independently selected from the groups shown in the following (i) to (v).
- a group to which one or more selected groups are bonded (Iv) an aromatic group having 1 to 44 carbon atoms, wherein the aromatic group includes a hydrogen atom, a chain alkyl group having 1 to 38 carbon atoms, a cycloalkyl group having 4 to 38 carbon atoms, and a carbon atom.
- a group to which more than one group is bonded (V) an oxygen functional group having 1 to 44 carbon atoms, wherein the oxygen atom includes an alkyl group having 1 to 44 carbon atoms, a cycloalkyl group having 1 to 44 carbon atoms, and an alkoxy group having 1 to 44 carbon atoms.
- a polyoxyalkylene alkyl ether group having 2 to 44 carbon atoms and having no hydroxy group at the terminal, an aromatic group having 6 to 44 carbon atoms, and an alkyl having 7 to 44 carbon atoms bonded to an aromatic group A group to which one or more groups selected from a group and an aralkyloxy group having 7 to 44 carbon atoms are bonded.
- the “aralkyloxy group” represents a group in which an oxygen atom is bonded to the aralkyl group defined above.
- R 17 to R 21 include methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, dodecyl group, octadecyl group and their structures.
- Chain alkyl groups such as isomers; cycloalkyl groups such as cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclooctyl group; methylcyclopentyl group, ethylcyclopentyl group, methylcyclohexyl group, ethylcyclohexyl group, propylcyclohexyl group, butyl A group composed of a chain alkyl group and a cycloalkyl group, such as a cyclohexyl group, a pentylcyclohexyl group, a hexylcyclohexyl group, a dimethylcyclohexyl group, a diethylcyclohexyl group, a dibutylcyclohexyl group, and structural isomers thereof; a methoxy group Chain alkyloxy such as ethoxy group, propoxy group, butyloxy group,
- the compound represented by the formula (33) can be produced by a reaction between a bifunctional or higher functional isocyanate compound and a hydroxy compound as described above. Since a bifunctional or higher functional isocyanate compound is used, various compounds are generated depending on the combination of s and t in the formula (33). In the isocyanate composition of the present embodiment, the amount added is distinguished from each other. There is no need to adjust. For example, a trifunctional isocyanate and a hydroxy compound having a stoichiometric ratio of 1 to 3 with respect to the trifunctional isocyanate are mixed to produce a compound corresponding to the formula (33) without purification and the like. , And can be used for preparing the isocyanate composition of the present embodiment.
- the isocyanate composition of the present embodiment contains a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less based on the isocyanate compound. At least one compound selected from the group consisting of a silicon hydrocarbon compound, a silicon-containing ether compound and a silicon-containing sulfide compound, wherein the carbon-carbon unsaturated bond and carbon- An inert compound having no double bond between oxygens (hereinafter also referred to as “inactive compound”) may be further contained. The inert compound does not react with the isocyanate compound during storage of the isocyanate composition and during the polyurethane formation reaction.
- the inactive compounds are classified into the following compounds A to G.
- the hydrocarbon compounds are compounds A and B
- the ether compounds and sulfide compounds are the following compounds C to E
- the halogenated hydrocarbon compounds are the following compounds F
- silicon-containing hydrocarbon compounds silicon-containing ether compounds and silicon-containing sulfide compounds.
- the compounds A to G listed here do not contain any unsaturated bond other than the aromatic ring, and are not applicable to the above-mentioned “compound having at least one unsaturated bond”.
- Compound A is an aliphatic hydrocarbon compound having a linear, branched or cyclic structure.
- Compound A is preferably a hydrocarbon compound having 5 to 20 carbon atoms.
- Specific examples of compound A include pentane, hexane, heptane, octane, nonane, decane, dodecane, tetradecane, pentadecane, hexadecane, octadecane, nonadecane, cyclopentane, cyclohexane, cycloheptane, cyclooctane, methylcyclopentane, ethylcyclopentane.
- Compound B is an aromatic hydrocarbon compound that may be substituted with an aliphatic hydrocarbon group.
- Compound B is preferably a hydrocarbon compound having 5 to 20 carbon atoms.
- Specific examples of compound B include benzene, toluene, ethylbenzene, butylbenzene, pentylbenzene, hexylbenzene, octylbenzene, biphenyl, terphenyl, diphenylethane, (methylphenyl) phenylethane, dimethylbiphenyl, benzyltoluene, and dibenzyltoluene.
- Naphthalene methylnaphthalene, ethylnaphthalene, butylnaphthalene and structural isomers thereof.
- Compound C is a compound having an ether bond or sulfide bond and an aliphatic hydrocarbon group, and is a compound in which the same or different aliphatic hydrocarbon compounds are bonded through an ether bond or a sulfide bond.
- Compound C is preferably a compound having 2 to 20 carbon atoms.
- compound C examples include ethyl ether, butyl ether, octyl ether, nonyl ether, decyl ether, methyl ethyl ether, methyl butyl ether, methyl octyl ether, methyl nonyl ether, methyl decyl ether, ethyl butyl ether, ethyl octyl ether, ethyl nonyl.
- Ether ethyl decyl ether, butyl octyl ether, butyl nonyl ether, butyl decyl ether, octyl nonyl ether, octyl decyl ether, dicyclopentyl ether, dicyclohexyl ether, dicyclooctyl ether, cyclohexyl ethyl ether, cyclohexyl butyl ether, cyclohexyl octyl ether, cyclohexyl Nonyl ether, cyclohexyl decyl ether, tetraethyl Ethers in which hydrocarbon compounds such as N-glycol dimethyl ether and structural isomers thereof are bonded via an ether bond; methyl sulfide, ethyl sulfide, butyl sulfide, octyl sulfide, non
- the compound D is a compound having an ether bond or sulfide bond and an aromatic hydrocarbon group, and is a compound in which the same or different aromatic hydrocarbon compounds are bonded through an ether bond or a sulfide bond.
- Compound D is preferably a compound having 2 to 20 carbon atoms.
- compound D include diphenyl ether, (methylphenyl) -phenyl ether, (ethylphenyl) -phenylether, (butylphenyl) -phenylether, (hexylphenyl) -phenylether, (methylphenyl) ether, (ethyl Phenyl) ether, (butylphenyl) ether, (hexylphenyl) ether, dibenzylether, di (methylbenzyl) ether, di (ethylbenzyl) ether, di (butylbenzyl) ether, di (pentylbenzyl) ether, di ( Hexylbenzyl) ether, di (octylbenzyl) ether, and aromatic ethers in which aromatic hydrocarbon compounds such as structural isomers thereof are bonded via an ether bond; diphenyl sulfide, (methylphenyl) -phenyls Fido, (e
- Compound E is a compound having an ether bond or a sulfide bond, an aliphatic hydrocarbon group, and an aromatic hydrocarbon group.
- Compound E is preferably a compound having 7 to 20 carbon atoms.
- Specific examples of compound E include phenyl-methyl-ether, phenyl-ethyl-ether, phenyl-butyl-ether, phenyl-octyl-ether, phenyl-nonyl-ether, phenyl-decyl-ether, benzyl-ethyl-ether, Benzyl-butyl-ether, benzyl-octyl-ether, benzyl-nonyl-ether, benzyl-decyl-ether, (methylphenyl) ethyl ether, (methylphenyl) butyl ether, (methylphenyl) octyl ether, (methylphenyl) nonyl ether , (Methyl
- Compound F is a halide in which at least one hydrogen atom constituting the aliphatic hydrocarbon compound or at least one hydrogen atom constituting the aromatic hydrocarbon compound is substituted with a halogen atom.
- Compound F is preferably a compound having 2 to 20 carbon atoms.
- compound F examples include chloroethane, chloropropane, chlorobutane, chloropentane, chlorohexane, chloroheptane, chlorooctane, chlorononane, chlorodecane, chlorododecane, chlorotetradecane, chloropentadecane, chlorohexadecane, chlorooctadecane, chlorononadecane, and chlorocyclopentane.
- Compound G is a compound in which some or all of the carbon atoms of Compounds A to E are substituted with silicon atoms.
- Specific examples of the compound G include tetraethylsilane, tetrabutylsilane, tetrahexylsilane, tetracyclohexylsilane, tetraphenylsilane, dimethyldibutylsilane, dimethyldicyclohexylsilane, dimethyldiphenylsilane, hexamethylcyclotrisiloxane, hexaethylcyclotrisiloxane.
- a compound having an ether bond or a sulfide bond such as Compound C, Compound D, and Compound E may generate an oxide or a peroxide depending on conditions.
- compounds A, B, C, D, E, and G are preferable, and compounds A, B, and G are more preferable.
- the storage stability of the isocyanate composition can be further improved by the presence of the inert compound. That is, the inert compound is a bifunctional diisocyanate and / or a trifunctional or higher isocyanate compound quality retainer, stabilizer, viscosity increase inhibitor, gel component generation inhibitor, chromaticity increase inhibitor, etc. It can be said that there is.
- the inert compound is a bifunctional diisocyanate and / or a trifunctional or higher isocyanate compound quality retainer, stabilizer, viscosity increase inhibitor, gel component generation inhibitor, chromaticity increase inhibitor, etc. It can be said that there is.
- the isocyanate composition of this embodiment can further contain a halogen atom that is not derived from a halogenated hydrocarbon and is 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less based on the isocyanate compound.
- “Not derived from halogenated hydrocarbon” means that the halogen atoms constituting the halogenated hydrocarbon are removed.
- the halogen atom is not particularly limited, but is preferably chlorine and / or bromine, selected from chlorine ions, bromine ions, chlorine atoms contained in hydrolyzable chlorine compounds and bromine atoms contained in hydrolyzable bromine compounds. It is preferable that there is at least one.
- Halogenated hydrocarbons are distinguished from hydrolyzable chlorine compounds or hydrolyzable bromine compounds in that they are not hydrolyzable under normal temperature and normal pressure conditions. Hydrolyzable chlorine compounds and hydrolyzable bromine compounds are hydrolyzable under normal temperature and normal pressure conditions, and generate halogen ions. Therefore, the halogen atom not derived from the halogenated hydrocarbon is preferably a hydrolyzable chlorine compound, a hydrolyzable bromine compound, a chlorine ion, or a bromine ion.
- the hydrolyzable chlorine compound include a carbamoyl chloride compound in which hydrogen chloride is added to an isocyanate group.
- hydrolyzable bromine compounds include carbamoyl bromide compounds in which hydrogen bromide is added to an isocyanate group.
- the sulfate ester in the present embodiment refers to a compound constituted by an ester bond of alcohol and sulfuric acid. Specific examples include benzenesulfonic acid, vinylsulfonic acid, methanesulfonic acid, p-toluenesulfonic acid, monomethylsulfuric acid, monoethylsulfuric acid. And mono n-propyl sulfate. Further, sulfuric acid may be used.
- the phosphate ester in the present embodiment refers to an ester obtained by dehydration condensation of phosphoric acid and alcohol, and may be a phosphate monoester, a phosphate diester, or a phosphate triester.
- the first aspect of the isocyanate composition of the present embodiment is different from the above isocyanate having a trifunctional or higher functional isocyanate compound and 1.0 mass ppm to 1.0 ⁇ 10 4 mass ppm based on the isocyanate compound. It is an isocyanate composition containing the compound, Comprising: The compound which has at least 1 unsaturated bond other than the unsaturated bond which comprises an aromatic ring.
- the compound having at least one unsaturated bond other than the unsaturated bond constituting the aromatic ring includes the compound represented by the formula (28), a carbonic acid derivative (N-unsubstituted carbamic acid ester, carbonic acid ester, N- Substituted carbamate ester), a compound having UV absorption in a region of an isocyanate decamer or higher in a spectrum measured by gel permeation chromatography, a compound containing an isocyanurate group and / or a biuret group, or represented by the formula (1) A compound.
- a carbonic acid derivative N-unsubstituted carbamic acid ester, carbonic acid ester, N- Substituted carbamate ester
- a compound having UV absorption in a region of an isocyanate decamer or higher in a spectrum measured by gel permeation chromatography a compound containing an isocyanurate group and / or a biuret group, or represented by the formula (1) A compound.
- the compound having an unsaturated bond is preferably contained in an amount of 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less based on the trifunctional or higher functional isocyanate compound constituting the composition.
- An unsaturated bond compound may be used individually by 1 type, and multiple types may be mixed and used for it.
- unsaturated bond compounds tend to oxidize unsaturated bonds, and unsaturated bond compounds as contaminants tend to cause coloration.
- the unsaturated bond compound in the isocyanate composition of the present embodiment acts effectively when the isocyanate composition is stored, and has the effect of improving the stability of the isocyanate compound without coloring the isocyanate composition.
- the modification reaction of the isocyanate compound caused by water or oxygen can be suppressed by the selective action of the unsaturated bond compound with water or oxygen. It is estimated that.
- the tendency to exert the effect is often increased.
- content of the unsaturated bond compound in this Embodiment is 1.0 mass ppm or more and 1.0 * 10 ⁇ 4 > mass ppm or less on the basis of an isocyanate compound, and the minimum of the range of content is 3 It is preferably 0.0 mass ppm or more, more preferably 5.0 mass ppm or more, still more preferably 10 mass ppm or more, and the upper limit of the content range is 5.0 ⁇ 10 3 mass It is preferably not more than ppm, more preferably not more than 3.0 ⁇ 10 3 mass ppm, and still more preferably not more than 1.0 ⁇ 10 3 mass ppm.
- the compound represented by the formula (1) is also preferably used. It is presumed that the ester group of the compound has reactivity with water and oxygen and suppresses modification of the isocyanate group by water or oxygen.
- a compound containing an isocyanurate group and / or a biuret group is also preferably used.
- the 1st aspect of the isocyanate composition of this embodiment is 1.0 mass ppm or more and 1.0 * 10 ⁇ 4 > mass ppm or less on the basis of the isocyanate compound more than trifunctional and the said isocyanate compound, It is a compound different from the said isocyanate, Comprising: It is an isocyanate composition containing the compound which has at least 1 unsaturated bond other than the unsaturated bond which comprises an aromatic ring.
- 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less of hydrocarbon compound, ether compound, sulfide compound, halogenated hydrocarbon compound, silicon-containing hydrocarbon compound, silicon-containing ether compound and silicon-containing compound At least one inactive compound selected from the group consisting of sulfide compounds. Te, carbon other than an unsaturated bond constituting an aromatic ring - unsaturated bond and carbon between the carbon - inactive compound having no double bond between oxygen, preferably contains more.
- compounds having an ether bond or a sulfide bond such as Compound C, Compound D, and Compound E may generate an oxide or a peroxide depending on conditions.
- compounds A, B, C, D, E, and G are preferable, and compounds A, B, and G are more preferable.
- an inert compound may be used individually by 1 type, and multiple types may be mixed and used for it.
- the inert compound does not have a reaction point with water, oxygen, etc., and it is difficult to think that it has the same action as the unsaturated bond compound described above.
- the isocyanate composition of the present embodiment to which an inert compound is further added also has an effect of improving the stability of the isocyanate.
- the isocyanate composition is stored in a closed storage container such as a glass container, a funnel or a drum can. .
- a very small amount of water, oxygen, or the like is mixed when leaking from the outside or filling the storage container with the isocyanate composition.
- the isocyanate composition of the present embodiment a small amount of the inert compound coexisting in the storage container is vaporized in the storage container and is present as a gas phase component in the gas phase part of the storage container, so that the trace amount coexists. It is presumed that the influence of water and oxygen is suppressed, and in combination with the compound having an unsaturated bond described above, a more favorable effect is achieved.
- the content of the inert compound is large, but on the other hand, if there are too many inert compounds, the performance such as viscosity, which is originally expected as an isocyanate composition, is greatly changed. In some cases.
- content of the inactive compound in this Embodiment is 1.0 mass ppm or more and 1.0 * 10 ⁇ 4 > mass ppm or less, and the minimum of the range of content is 3.0 mass ppm or more It is preferably 5.0 ppm by mass or more, more preferably 10 ppm by mass or more, and the upper limit of the content range is preferably 5.0 ⁇ 10 3 mass ppm or less, It is more preferably 3.0 ⁇ 10 3 mass ppm or less, and further preferably 1.0 ⁇ 10 3 mass ppm or less.
- An inert compound may be used individually by 1 type, and multiple types may be mixed and used for it.
- the isocyanate composition containing a trifunctional or higher functional isocyanate compound and a compound having an unsaturated bond may further contain sulfuric acid and / or sulfuric acid ester and / or phosphoric acid and / or phosphoric acid ester. Good.
- sulfuric acid and / or sulfuric acid ester By further containing sulfuric acid and / or sulfuric acid ester, the stability of the isocyanate composition during storage is further improved. Although the mechanism that exerts such an effect is not clear, in the composition of the present embodiment, sulfuric acid and sulfate ester appropriately suppress the formation of the 1-nylon body structure represented by the formula (37), and It is speculated that gelation of the entire composition due to an increase in the compound may be suppressed. Therefore, in order to further improve the stability of isocyanate, it is preferable that sulfuric acid and / or sulfuric acid ester is contained in an appropriate concentration range, and 1.0 ppm by mass or more and 1.0 by mass based on the isocyanate compound.
- the lower limit of the content range is preferably 3.0 mass ppm or more, more preferably 5.0 mass ppm or more, the upper limit of the content range is More preferably, it is 1.0 ⁇ 10 2 mass ppm or less.
- An isocyanate composition further containing phosphoric acid and / or a phosphoric acid ester also improves stability during storage.
- phosphoric acid and phosphoric acid ester are a 1-nylon body represented by the above formula (37), like sulfuric acid and sulfuric acid ester. It is speculated that the formation of the structure is moderately suppressed and the gelation of the entire composition due to the increase of the compound is suppressed. Therefore, in order to further improve the stability of the isocyanate, it is preferable that the phosphoric acid and / or phosphate ester is contained in an appropriate concentration range, and 1.0 mass ppm or more 1 based on the isocyanate compound.
- .0 ⁇ is 10 3 ppm by mass or less
- the lower limit of the range of the content is preferably 3.0 mass ppm or more, more preferably 5.0 mass ppm or more
- the upper limit of the range of the content Is more preferably 1.0 ⁇ 10 1 mass ppm or less.
- the isocyanate composition containing the trifunctional or higher functional isocyanate compound shown as the first aspect of the isocyanate composition of the present embodiment and a compound having at least one unsaturated bond is further a halogenated hydrocarbon. It is also preferable to contain a halogen atom which is not derived from (hereinafter sometimes simply referred to as a halogen atom).
- the preferable content of halogen atoms is 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less.
- halogen atoms are contained in the isocyanate composition of the present embodiment in various forms as described above.
- the halogen atom is preferably chlorine and / or bromine, and is selected from chlorine ions, bromine ions, chlorine atoms contained in hydrolyzable chlorine compounds, and bromine atoms contained in hydrolyzable bromine compounds. It is a seed and may be adjusted so that the total content of these chlorine atoms and bromine atoms falls within the above range.
- the proportion of the tri- or higher functional isocyanate compound and the compound containing a halogen atom actually charged may be adjusted to be in the above range, and the chlorine atom and bromine atom in the composition may be, for example, inductively coupled plasma ( ICP), chlorine ions and bromine ions may be quantified by anion chromatography, and hydrolyzable chlorine is added to the water described in Annex 3 of JIS K-1556 (2000). You may measure according to the test method of degradable chlorine.
- ICP inductively coupled plasma
- chlorine ions and bromine ions may be quantified by anion chromatography
- hydrolyzable chlorine is added to the water described in Annex 3 of JIS K-1556 (2000). You may measure according to the test method of degradable chlorine.
- the isocyanate composition containing a halogen atom has improved stability during storage. Although the mechanism that exerts such an effect is not clear, the halogen atom traps oxygen and water that impair the stability of the trifunctional or higher functional isocyanate compound, thereby improving the stability of the trifunctional or higher functional isocyanate compound. It is estimated that he will play. Therefore, in order to further improve the stability of the isocyanate, it is preferable to increase the content of halogen atoms. On the other hand, when the content of halogen atoms is too large, coloring due to the halogen atoms occurs, For example, the appearance may be impaired when used as a coating material.
- the content of halogen atoms in the isocyanate composition of the present embodiment is 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less based on the isocyanate compound, and the lower limit of the content range is It is preferably 3.0 ppm by mass or more, more preferably 5.0 ppm by mass or more, and the upper limit of the content range is further preferably 5.0 ⁇ 10 1 ppm by mass or less.
- the effects as described above by containing a halogen atom not derived from a halogenated hydrocarbon are the above-described compounds having a trifunctional or higher functional isocyanate compound and an unsaturated bond, an inert compound, and / or sulfuric acid and / or Or, since the isocyanate composition containing sulfuric acid ester and / or phosphoric acid and / or phosphoric acid ester further contains a halogen atom not derived from a halogenated hydrocarbon, the trifunctional or higher functional isocyanate An isocyanate composition containing a compound having an unsaturated bond with a compound, an inert compound, and / or sulfuric acid and / or a sulfuric ester, and / or phosphoric acid and / or a phosphoric ester is a halogenated hydrocarbon. A composition further containing a halogen atom which is not derived is also one preferred embodiment. Also in this case, the halogen atom is contained in the isocyanate
- a second aspect of the isocyanate composition of the present embodiment is a trifunctional or higher functional isocyanate compound, 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less of sulfuric acid based on the isocyanate compound, and / or Or it is an isocyanate composition containing sulfuric acid ester and / or phosphoric acid and / or phosphoric acid ester of 1.0 mass ppm or more and 1.0x10 3 mass ppm or less.
- the description of the same configuration as the first aspect may be omitted.
- the isocyanate composition containing sulfuric acid and sulfuric acid ester has improved stability during storage. Although the mechanism that exerts such an effect is not clear, in the composition of the present embodiment, sulfuric acid and sulfate ester appropriately suppress the formation of the 1-nylon body structure represented by the formula (37), and It is speculated that gelation of the entire composition due to an increase in the compound may be suppressed. Therefore, in order to further improve the stability of the isocyanate, it is preferable that sulfuric acid and a sulfuric acid ester are contained in an appropriate concentration range. is 3 mass ppm or less, the lower limit of the range of the content is preferably 3.0 mass ppm or more, more preferably 5.0 mass ppm or more, the upper limit of the range of the content is 1. More preferably, it is 0 ⁇ 10 2 mass ppm or less.
- the isocyanate composition containing phosphoric acid and phosphoric acid ester has improved stability during storage.
- phosphoric acid and phosphoric acid ester are a 1-nylon body represented by the above formula (37), like sulfuric acid and sulfuric acid ester. It is speculated that the formation of the structure is moderately suppressed and the gelation of the entire composition due to the increase of the compound is suppressed. Therefore, in order to further improve the stability of the isocyanate, it is preferable that phosphoric acid and a phosphoric acid ester are contained in an appropriate concentration range.
- the lower limit of the range of the content is preferably 3.0 mass ppm or more, more preferably 5.0 mass ppm or more, the upper limit of the range of the content is 1. More preferably, it is 0 ⁇ 10 2 mass ppm or less.
- the trifunctional or higher functional isocyanate compound which is the second aspect of the present embodiment, and 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less of sulfuric acid and / or based on the isocyanate compound, and / or An isocyanate composition containing phosphoric acid and / or phosphoric acid ester of 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less.
- At least one inert compound selected from the group consisting of hydrogen compounds, silicon-containing ether compounds and silicon-containing sulfide compounds There are a carbon other than the unsaturated bonds constituting the aromatic ring - unsaturated bond and carbon between the carbon - inactive compound having no double bond between oxygen, preferably it contains more.
- Compounds A, B, C, D, E, and G are preferable from the viewpoint of being thermally stable, and compounds A, B, and G are more preferable from the viewpoint of not generating an oxide or a peroxide.
- an inert compound may be used individually by 1 type, and multiple types may be mixed and used for it.
- an inert compound having no reaction point with water, oxygen, or the like further improves the stability of the isocyanate in the isocyanate composition of the present embodiment. This effect is due to the fact that some inert compounds that coexist in a small amount are vaporized in a storage container and exist in a very small amount as a gas phase component. It is presumed to be achieved by suppressing the occurrence of
- the content of the inert compound is large, but on the other hand, if there are too many inert compounds, the performance such as viscosity, which is originally expected as an isocyanate composition, is greatly changed. In some cases.
- content of the inactive compound in this Embodiment is 1.0 mass ppm or more and 1.0 * 10 ⁇ 4 > mass ppm or less, and the minimum of the range of content is 3.0 mass ppm or more It is preferably 5.0 ppm by mass or more, more preferably 10 ppm by mass or more, and the upper limit of the content range is preferably 5.0 ⁇ 10 3 mass ppm or less, It is more preferably 3.0 ⁇ 10 3 mass ppm or less, and further preferably 1.0 ⁇ 10 3 mass ppm or less.
- An inert compound may be used individually by 1 type, and multiple types may be mixed and used for it.
- Isocyanate composition containing phosphoric acid and / or phosphoric acid ester of mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less is further a halogen atom (hereinafter simply referred to as “halogenated hydrocarbon”). It may be preferable to contain a halogen atom.
- the preferable content of halogen atoms is 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less.
- halogen atoms are contained in the isocyanate composition of the present embodiment in various forms as described above.
- the halogen atom is preferably chlorine and / or bromine, and is selected from chlorine ions, bromine ions, chlorine atoms contained in hydrolyzable chlorine compounds, and bromine atoms contained in hydrolyzable bromine compounds. It is a seed and may be adjusted so that the total content of these chlorine atoms and bromine atoms falls within the above range.
- the proportion of the tri- or higher functional isocyanate compound and the compound containing a halogen atom actually charged may be adjusted to be in the above range, and the chlorine atom and bromine atom in the composition may be, for example, inductively coupled plasma ( ICP), chlorine ions and bromine ions may be quantified by anion chromatography, and hydrolyzable chlorine is added to the water described in Annex 3 of JIS K-1556 (2000). You may measure according to the test method of degradable chlorine.
- ICP inductively coupled plasma
- chlorine ions and bromine ions may be quantified by anion chromatography
- hydrolyzable chlorine is added to the water described in Annex 3 of JIS K-1556 (2000). You may measure according to the test method of degradable chlorine.
- the isocyanate composition containing a halogen atom has improved stability during storage. Although the mechanism that exerts such an effect is not clear, the halogen atom traps oxygen and water that impair the stability of the trifunctional or higher functional isocyanate compound, thereby improving the stability of the trifunctional or higher functional isocyanate compound. It is estimated that he will play. Therefore, in order to further improve the stability of the isocyanate, it is preferable to increase the content of halogen atoms. On the other hand, when the content of halogen atoms is too large, coloring due to the halogen atoms occurs, For example, the appearance may be impaired when used as a coating material.
- the content of halogen atoms in the isocyanate composition of the present embodiment is 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less based on the isocyanate compound, and the lower limit of the content range is It is preferably 3.0 ppm by mass or more, more preferably 5.0 ppm by mass or more, and the upper limit of the content range is preferably 5.0 ⁇ 10 1 ppm by mass or less.
- the third aspect of the isocyanate composition of the present embodiment has a bifunctional or higher isocyanate compound and an unsaturated bond of 1.0 mass ppm to 1.0 ⁇ 10 4 mass ppm based on the isocyanate compound.
- a compound having at least one compound, wherein the compound having at least one unsaturated bond is a compound having UV absorption in a region of an isocyanate decamer or higher in a spectrum measured by gel permeation chromatography. is there.
- the description of the same configuration as the first or second aspect may be omitted.
- the unsaturated bond compound in the isocyanate composition of the present embodiment acts effectively during storage of the isocyanate composition, and without coloring the isocyanate composition. And improving the stability of the isocyanate compound.
- Such an effect is presumed to be exhibited by suppressing the modification reaction of the isocyanate compound caused by water or oxygen by the unsaturated bond compound selectively acting with water or oxygen.
- the tendency to exert the effect is often increased.
- content of the unsaturated bond compound in this Embodiment is 1.0 mass ppm or more and 1.0 * 10 ⁇ 4 > mass ppm or less on the basis of an isocyanate compound, and the minimum of the range of content is 3 It is preferably 0.0 mass ppm or more, more preferably 5.0 mass ppm or more, still more preferably 10 mass ppm or more, and the upper limit of the content range is 5.0 ⁇ 10 3 mass It is preferably not more than ppm, more preferably not more than 3.0 ⁇ 10 3 mass ppm, and still more preferably not more than 1.0 ⁇ 10 3 mass ppm.
- the isocyanate composition of this embodiment has at least an unsaturated bond of 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less based on the isocyanate compound having two or more functions and the isocyanate compound.
- a compound having at least one unsaturated bond, wherein the compound having at least one unsaturated bond is a compound having UV absorption in a region of isocyanate decamer or higher in a spectrum measured by gel permeation chromatography.
- the isocyanate composition has a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, a silicon-containing compound in an amount of 1.0 mass ppm to 1.0 ⁇ 10 4 mass ppm based on the isocyanate compound.
- Hydrocarbon compounds, silicon-containing ether compounds and silicon-containing compounds At least one inert compound selected from the group consisting of sulfide compounds, which has no carbon-carbon unsaturated bond and carbon-oxygen double bond in addition to the unsaturated bond constituting the aromatic ring. It is preferable to further contain an active compound.
- compounds A, B, C, D, E, and G are preferable from the viewpoint of being thermally stable, and compounds A, B, and G are more preferable from the viewpoint of not generating oxides and peroxides.
- an inert compound may be used individually by 1 type, and multiple types may be mixed and used for it.
- an inert compound has no reaction point with water, oxygen, or the like, but the presence of the inert compound further improves the stability of the isocyanate compound in the isocyanate composition of the present embodiment.
- This effect is due to the fact that some inert compounds that coexist in a small amount are vaporized in a storage container and exist as a gas phase component, thereby suppressing the influence of water and oxygen coexisting in a small amount, increasing the viscosity and gel component. It is presumed to be achieved by suppressing the occurrence of
- the content of the inert compound is large, but on the other hand, if there are too many inert compounds, the performance such as viscosity, which is originally expected as an isocyanate composition, is greatly changed. In some cases.
- content of the inactive compound in this Embodiment is 1.0 mass ppm or more and 1.0 * 10 ⁇ 4 > mass ppm or less, and the minimum of the range of content is 3.0 mass ppm or more It is preferably 5.0 ppm by mass or more, more preferably 10 ppm by mass or more, and the upper limit of the content range is preferably 5.0 ⁇ 10 3 mass ppm or less, It is more preferably 3.0 ⁇ 10 3 mass ppm or less, and further preferably 1.0 ⁇ 10 3 mass ppm or less.
- An inert compound may be used individually by 1 type, and may be used in mixture of multiple types.
- the isocyanate composition containing a bifunctional or higher functional isocyanate compound and a compound having an unsaturated bond may further contain sulfuric acid and / or sulfuric acid ester, and / or phosphoric acid and / or phosphoric acid ester. preferable.
- sulfuric acid and sulfate ester By further containing sulfuric acid and / or sulfuric acid ester, the stability of the isocyanate composition during storage is further improved. Although the mechanism that exerts such an effect is not clear, in the composition of the present embodiment, sulfuric acid and sulfate ester appropriately suppress the formation of the 1-nylon body structure represented by the formula (37), and It is speculated that gelation of the entire composition due to an increase in the compound may be suppressed.
- the isocyanate is preferably contained in an appropriate concentration range in order to further improve the stability of the isocyanate, and is 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less based on the isocyanate compound,
- the lower limit of the content range is preferably 3.0 mass ppm or more, more preferably 5.0 mass ppm or more, and the upper limit of the content range is 1.0 ⁇ 10 2 mass ppm or less. It is preferable that
- the isocyanate composition further containing phosphoric acid and / or phosphoric acid ester further improves the stability during storage.
- phosphoric acid and phosphoric acid ester are a 1-nylon body represented by the above formula (37), like sulfuric acid and sulfuric acid ester. It is speculated that the formation of the structure is moderately suppressed and the gelation of the entire composition due to the increase of the compound is suppressed.
- the isocyanate is preferably contained in an appropriate concentration range in order to further improve the stability of the isocyanate, and is 1.0 mass ppm or more and 1.0 ⁇ 10 3 mass ppm or less based on the isocyanate compound,
- the lower limit of the content range is preferably 3.0 mass ppm or more, more preferably 5.0 mass ppm or more, and the upper limit of the content range is 1.0 ⁇ 10 1 mass ppm or less. More preferably.
- the isocyanate composition of the present embodiment preferably further contains a halogen atom that is not derived from a halogenated hydrocarbon (hereinafter sometimes simply referred to as a halogen atom).
- a halogen atom that is not derived from a halogenated hydrocarbon (hereinafter sometimes simply referred to as a halogen atom).
- the preferable content of halogen atoms is 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less.
- halogen atoms are contained in the isocyanate composition of the present embodiment in various forms as described above.
- the halogen atom is preferably chlorine and / or bromine, and is selected from chlorine ions, bromine ions, chlorine atoms contained in hydrolyzable chlorine compounds, and bromine atoms contained in hydrolyzable bromine compounds. It is a seed and may be adjusted so that the total content of these chlorine atoms and bromine atoms falls within the above range.
- the ratio of actually charged a bifunctional or higher isocyanate compound and a compound containing a halogen atom may be adjusted so as to fall within the above range.
- Chlorine and bromine atoms in the composition may be, for example, inductively coupled plasma ( ICP), chlorine ions and bromine ions may be quantified by anion chromatography, and hydrolyzable chlorine is added to the water described in Annex 3 of JIS K-1556 (2000). You may measure according to the test method of degradable chlorine.
- ICP inductively coupled plasma
- chlorine ions and bromine ions may be quantified by anion chromatography
- hydrolyzable chlorine is added to the water described in Annex 3 of JIS K-1556 (2000). You may measure according to the test method of degradable chlorine.
- the isocyanate composition containing a halogen atom has improved stability during storage. Although the mechanism that exerts such an effect is not clear, the halogen atom traps oxygen or water that impairs the stability of the bifunctional or higher isocyanate compound, thereby improving the stability of the bifunctional or higher isocyanate compound. It is estimated that he will play. Therefore, in order to further improve the stability of the isocyanate, it is preferable to increase the content of halogen atoms. On the other hand, when the content of halogen atoms is too large, coloring due to the halogen atoms occurs, For example, the appearance may be impaired when used as a coating material.
- the content of halogen atoms in the isocyanate composition of the present embodiment is 1.0 mass ppm or more and 1.0 ⁇ 10 2 mass ppm or less based on the isocyanate compound, and the lower limit of the content range is It is preferably 3.0 ppm by mass or more, more preferably 5.0 ppm by mass or more, and the upper limit of the content range is further preferably 5.0 ⁇ 10 1 ppm by mass or less.
- the effects as described above by containing a halogen atom not derived from a halogenated hydrocarbon are the above-described compounds having a bifunctional or higher functional isocyanate compound and an unsaturated bond, an inert compound, and / or sulfuric acid and / or Or since the isocyanate composition containing sulfuric acid ester and / or phosphoric acid and / or phosphoric acid ester further contains a halogen atom not derived from a halogenated hydrocarbon, it is a bifunctional or higher functional isocyanate.
- An isocyanate composition containing a compound having an unsaturated bond with a compound, an inert compound, and / or sulfuric acid and / or a sulfuric ester, and / or phosphoric acid and / or a phosphoric ester is a halogenated hydrocarbon.
- a composition further containing a halogen atom which is not derived is also one preferred embodiment. Also in this case, the halogen atom is contained in the isocyanate composition within the above-described range, and the same effect is exhibited.
- an isocyanate compound a compound having an unsaturated bond, an inert compound, a halogen atom not derived from a halogenated hydrocarbon, sulfuric acid, a sulfuric ester, phosphoric acid, and a phosphoric ester are appropriately mixed.
- the isocyanate compound can be produced using a known method.
- an isocyanate compound can be produced by reacting a corresponding organic primary amine and phosgene to remove hydrogen chloride. The reaction between the organic primary amine and phosgene may be in a solvent or in the gas phase.
- the isocyanate composition of the present embodiment is a compound having an unsaturated bond, an inert compound, a halogen, using an isocyanate compound produced by a known method as described above as an isocyanate compound. It can be produced by appropriately mixing with halogen atoms not derived from activated hydrocarbon, sulfuric acid, sulfuric ester, phosphoric acid, and phosphoric ester.
- a compound having an unsaturated bond, an inert compound, a halogen atom not derived from a halogenated hydrocarbon, sulfuric acid, sulfuric acid ester, phosphoric acid, and phosphoric acid ester are the above-described isocyanate compound production steps, and the isocyanate composition of the present embodiment It may be added in advance so as to be, or after obtaining the isocyanate compound, it may be added again so as to become the isocyanate composition of the present embodiment.
- the compound having UV absorption in the region of the isocyanate decamer or higher is, for example, after reacting an isocyanate compound having one or more isocyanate groups in the molecule in the presence of a catalyst.
- the polymerization reaction is stopped by adding a terminator.
- the catalyst the same catalyst as that used in the isocyanurate formation reaction described later can be used.
- the amount of the catalyst used varies depending on the type of compound used, but can be 1.0 ⁇ 10 ⁇ 4 parts by mass or more and 1.0 part by mass or less with respect to 100 parts by mass of the isocyanate compound.
- the upper limit of the amount of the catalyst used is preferably 5.0 ⁇ 10 ⁇ 1 parts by mass or less, more preferably 1.0 ⁇ 10 10 from the viewpoint of suppressing coloring or discoloration of the product and controlling the reaction. ⁇ 1 part by mass or less, more preferably 2.0 ⁇ 10 ⁇ 2 parts by mass or less. From the viewpoint of reactivity, the lower limit of the amount of catalyst used is more preferably 1.0 ⁇ 10 ⁇ 3 parts by mass, and still more preferably 2.0 ⁇ 10 ⁇ 3 parts by mass.
- the same terminator as that used in the isocyanurate-forming reaction described later can be used.
- the amount of the terminator used can be appropriately adjusted according to the amount of catalyst used and the type of compound used, but it is preferably used in an amount of 1 equivalent or more based on the amount of catalyst used.
- the temperature at which the polymerization reaction of the isocyanate compound is carried out in the presence of a catalyst is preferably ⁇ 20 ° C. to 60 ° C. As the reaction temperature increases, the isocyanuration reaction tends to proceed, and in order to obtain a 1-nylon structure, the reaction temperature is preferably low. On the other hand, the polymerization temperature of the isocyanate compound is too low. Since the reaction becomes too slow, the temperature is more preferably ⁇ 10 ° C. to 50 ° C., further preferably 0 ° C. to 40 ° C.
- Polymerization of the isocyanate compound can be carried out in the presence or absence of a solvent, but it is desirable to carry out in the presence of a solvent from the viewpoint of ease of reaction control and ease of operation.
- a solvent which is inert to the isocyanate compound to be used and dissolves the starting isocyanate compound and the polymer to be produced is selected.
- acetates such as ethyl acetate, butyl acetate, and amyl acetate
- aromatic hydrocarbons such as benzene, toluene, xylene, and monochlorobenzene can be used alone or in combination.
- the progress of the polymerization can be traced by sampling the reaction solution as appropriate and performing gel permeation chromatography measurement. When a peak is confirmed in the desired molecular weight region, the reaction can be stopped by adding a terminator. That's fine.
- the isocyanuration reaction is carried out in the absence of a solvent, the unreacted isocyanate compound works as a solvent by dissolving the conversion rate to 50% or less, and the resulting polymer can be dissolved.
- the compound having UV absorption in the region of the isocyanate decamer is, for example, unreacted isocyanate compound and
- the solvent may be removed and recovered, or the reaction solution may be used for production of the isocyanate composition of the present embodiment.
- the method is not particularly limited, and unreacted polyisocyanate and solvent can be removed by, for example, distillation purification. Further, the removal is desirably performed at a low temperature.
- the removal is preferably performed using a device having a large evaporation area with respect to a liquid such as a falling thin film evaporator, a thin film evaporator, a molecular distillation device, etc., and having a high evaporation efficiency. .
- the compound containing an isocyanurate group can be manufactured by the method similar to ⁇ the manufacturing method of an isocyanate polymer> mentioned later.
- the compound containing a biuret group uses, for example, water, monovalent tertiary alcohol, formic acid, hydrogen sulfide, organic primary monoamine, organic primary diamine, etc. as the biuretizing agent, and the reaction temperature is 70 ° C.
- the reaction temperature is in the range of ⁇ 200 ° C, and the reaction is carried out for 10 minutes to 24 hours.
- the unreacted polyisocyanate and solvent are separated from the composition containing the isocyanate polymer by treatment such as thin film distillation or solvent extraction. Can be manufactured.
- a solvent similar to ⁇ Isocyanate polymer production method> described later may be used.
- the present invention provides a method for producing an isocyanate polymer, comprising a step of reacting the isocyanate compound contained in the above-described isocyanate composition.
- a method for producing an isocyanate polymer comprising a step of reacting the isocyanate compound contained in the above-described isocyanate composition.
- isocyanurate formation reaction is mainly described, as will be described later, known reactions such as iminooxadiazine diionization reaction and uretdioneization reaction can be used depending on the catalyst or reaction conditions to be used.
- the isocyanuration reaction is preferably performed in the presence of an isocyanuration catalyst.
- an isocyanuration catalyst for example, a catalyst having basicity is generally preferable, and the following compounds (i) to (viii) are exemplified.
- a hydroxide or an organic acid salt of tetraalkylammonium (tetramethylammonium, tetraethylammonium, etc.) (for example, a salt of acetate, butyrate, decanoate, etc.).
- hydroxide or organic acid salt (for example, acetate, butyrate, decanoate, etc.) of trialkylhydroxyalkylammonium (trimethylhydroxypropylammonium, trimethylhydroxyethylammonium, triethylhydroxypropylammonium, triethylhydroxyethylammonium, etc.) Salt).
- Metal alkoxides such as sodium and potassium.
- Aminosilyl group-containing compound for example, hexamethyldidiasan).
- Phosphorus compounds such as tributylphosphine.
- Fluorine compound or polyhydrofluoride compound for example, tetraalkylammonium fluoride such as tetramethylammonium fluoride hydrate, tetraethylammonium fluoride, etc.
- tetraalkylammonium fluoride such as tetramethylammonium fluoride hydrate, tetraethylammonium fluoride, etc.
- (Viii) a compound having a structure represented by the following formula (40) or formula (41) (for example, 3,3,3-trifluoropropanoic acid, 3,3,4,4,4-pentafluorobutanoic acid, 3,3,4,4,5,5,5-heptafluoropentanoic acid, 3,3-difluoroprop-2-enoic acid, etc.) and a quaternary ammonium ion or quaternary phosphonium ion.
- formula (40) or formula (41) for example, 3,3,3-trifluoropropanoic acid, 3,3,4,4,4-pentafluorobutanoic acid, 3,3,4,4,5,5,5-heptafluoropentanoic acid, 3,3-difluoroprop-2-enoic acid, etc.
- R 22 CR′—C ( ⁇ O) O— (40)
- R 23 —CR ′ 2 —C ( ⁇ O) O— (41)
- R 22 and R 23 each independently represent a perfluoroalkyl group having 1 to 30 carbon atoms
- R ′ each independently represents a hydrogen atom or a carbon atom having 1 to 20 carbon atoms. Represents a group selected from the group consisting of an alkyl group and an aromatic group.
- R 22 , R 23 and R ′ may contain a hetero atom.
- R 22 and R 23 may each independently be a linear, branched or cyclic saturated perfluoroalkyl group or an unsaturated perfluoroalkyl group.
- the isocyanurate-forming catalyst is preferably the compound of the catalyst (i) or (ii) from the viewpoints of catalyst efficiency and isocyanuration reaction selectivity.
- the catalyst (vi) when it is desired to form a large proportion of the uretdione structure (structure represented by the formula (7)), it is preferable to use the catalyst (vi).
- the catalyst (vii) or the catalyst (viii) when it is desired to form a large proportion of the iminooxadiazinedione structure (structure represented by the formula (5)), it is preferable to use the catalyst (vii) or the catalyst (viii).
- the amount of the isocyanurate-forming catalyst added to the reaction system of the isocyanurate-forming reaction can be appropriately adjusted according to the type of catalyst used, the concentration of other components in the reaction system, and the like.
- 100 parts by mass of the isocyanate compound 1.0 ⁇ 10 ⁇ 4 parts by mass or more and 1.0 parts by mass or less can be used.
- the upper limit of the amount of the isocyanurate-forming catalyst used is preferably 5.0 ⁇ 10 ⁇ 1 part by mass or less, more preferably from the viewpoint of suppressing coloration or discoloration of the product and controlling the reaction. It is 0 ⁇ 10 ⁇ 1 part by mass or less, more preferably 2.0 ⁇ 10 ⁇ 2 part by mass or less.
- the lower limit of the amount of the isocyanurate-forming catalyst used is more preferably 1.0 ⁇ 10 ⁇ 3 parts by mass, and still more preferably 2.0 ⁇ 10 ⁇ 3 parts by mass.
- the isocyanurate catalyst shown above can simultaneously be an allophanate catalyst. Therefore, it is also possible to add the hydroxy group-containing compound before or during the isocyanuration reaction and to proceed the isocyanuration reaction and the allophanate reaction simultaneously.
- the hydroxy group-containing compound is preferably a compound having one or two hydroxy groups in one molecule formed of only carbon, hydrogen and oxygen. More preferred is a compound having only one hydroxy group. Specific examples of the compound having one hydroxy group include methyl alcohol, ethyl alcohol, propyl alcohol, butyl alcohol, pentyl alcohol, hexyl alcohol, heptyl alcohol, octyl alcohol, nonyl alcohol and the like, which have two hydroxy groups.
- Examples of the compound include ethylene glycol, 1,3-butanediol, 1,4-butanediol, neopentyl glycol, 2-ethylhexanediol and the like, and two or more kinds can be used in combination.
- the reaction temperature of the isocyanuration reaction is not particularly limited, but is preferably 0 ° C. to 200 ° C. If it is less than 0 ° C., the reaction rate is small and not practical, and if it is reacted at a high temperature exceeding 200 ° C., side reactions or extreme coloring of the product tends to occur.
- the lower limit of the reaction temperature is more preferably 40 ° C., further preferably 50 ° C., and particularly preferably 60 ° C. from the viewpoint of the reaction rate.
- the upper limit of the reaction temperature is more preferably 150 ° C. from the viewpoint of coloring of the product itself, more preferably 120 ° C., and particularly preferably 110 ° C.
- the reaction time of the isocyanuration reaction is not particularly limited, and can be carried out, for example, in the range of 10 seconds to 24 hours.
- Examples of methods for confirming the end point of the isocyanuration reaction include a method for measuring the isocyanate group content (NCO%) in the reaction mixture, a method for measuring the refractive index, and a method by gel permeation chromatography measurement of the reaction mixture.
- NCO% isocyanate group content
- refractive index a method for measuring the refractive index
- a method by gel permeation chromatography measurement of the reaction mixture a method by gel permeation chromatography measurement of the reaction mixture.
- the measuring method of the content rate (NCO%) of the isocyanate group in a reaction mixture is mentioned later.
- the mass ratio of the isocyanate polymer obtained by reaction with respect to the initial mass of the compound is preferably 50% or less (more preferably 40% or less, still more preferably 25% or less). Further, from the viewpoint of sufficiently obtaining the yield of the isocyanurate compound, the conversion rate of the reaction is preferably 5% or more, more preferably 10% or more, and more preferably 15% or more.
- the isocyanuration reaction can be stopped by adding a catalyst terminator to deactivate the isocyanuration catalyst when the isocyanuration reaction reaches the target conversion rate. . If a catalyst terminator is not added, the process of distilling off residual monomers and solvents from the isocyanate polymer and the isocyanurate reaction further progress during storage, resulting in a product with a higher viscosity or a gel content. is there. Therefore, it is preferable to deactivate the isocyanurate-forming catalyst by adding a catalyst terminator when the target conversion rate is reached.
- the catalyst terminator for example, sulfuric acid, phosphoric acid, acidic phosphoric acid esters, hydrochloric acid, sulfonic acid compounds and the like can be used.
- the reaction product of the catalyst stopper and the catalyst is precipitated as a solid, it is preferably separated by a method such as filtration using a filter or celite.
- the isocyanurate formation reaction can be carried out in the presence or absence of a solvent, but it is desirable to carry out in the presence of a solvent from the viewpoint of ease of control of the reaction and ease of operation.
- a solvent which is inert to the isocyanate compound to be used and dissolves the starting isocyanate compound and the generated isocyanurate compound is selected.
- acetates such as ethyl acetate, butyl acetate, and amyl acetate
- aromatic hydrocarbons such as benzene, toluene, xylene, and monochlorobenzene can be used alone or as a solvent.
- the conversion rate of the isocyanurate reaction in the absence of a solvent is preferably 5% to 50%, more preferably 10% to 40%.
- the isocyanurate compound can also be recovered, for example, by removing unreacted isocyanate compound and solvent from the reaction system.
- the method of removal is not particularly limited, and for example, unreacted isocyanate compound and solvent can be removed by distillation purification. Further, the removal is desirably performed at a low temperature. For example, the removal is preferably performed using a device having a large evaporation area with respect to a liquid such as a falling thin film evaporator, a thin film evaporator, a molecular distillation device, etc., and having a high evaporation efficiency. .
- the production method described above is suitable for producing an isocyanate polymer obtained by polymerizing an isocyanate compound.
- the isocyanate polymer has a unit represented by the following formula (A) or (B) and at least one unit of units represented by the following formulas (2) to (8).
- the nitrogen atom which comprises an isocyanate polymer has couple
- each R 3 independently represents a residue obtained by removing two isocyanate groups from the isocyanate compound, and each R 4 is independently Represents a monovalent organic group.
- R 4 depends on the compound used when the isocyanate polymer is produced. For example, when alcohol is used, a hydroxy group (OH group) is removed from the alcohol. Often it is a residue.
- the structure of the isocyanate polymer of the present embodiment varies depending on the isocyanate compound used, the composition of the isocyanate composition, the reaction conditions, etc., but preferably the following formula (46), (47), (48), or (49) The structure represented by is included.
- R 3 is the formula (A), represents the same group as R 3 in (B) and (2) ⁇ (8), R 4, the (6) and (8) in the The same group as R 4 is represented.
- the isocyanate compound is not particularly limited, and can be appropriately changed according to the target isocyanurate.
- aliphatic and / or alicyclic isocyanates are preferred.
- an aromatic isocyanate can be selected for the purpose of applying to a field where weather resistance or the like is not required.
- ⁇ Use of isocyanate polymer> Using a composition containing various isocyanate polymers obtained by the above-described production method, a part or all of the isocyanate groups of the isocyanate polymer is blocked with a blocking agent by a known method to produce a blocked isocyanate polymer. You can also.
- a part of the isocyanate groups of various isocyanate polymers obtained by the above-described method is modified with a hydrophilic compound containing an active hydrogen by a known method, and the hydrophilic group-modified isocyanate weight is modified.
- a combined composition can also be obtained.
- the isocyanate polymer obtained by the above-described production method may be reacted with a blocking agent and an active hydrogen-containing hydrophilic compound, respectively.
- the isocyanate composition of the embodiment has an effect of improving the stability during storage.
- an isocyanate polymer can also be manufactured using the isocyanate composition of the said embodiment.
- the isocyanate composition and isocyanate polymer of the above embodiment are suitably used as raw materials for paints, adhesives and the like as appropriate.
- the present invention provides a method for storing a bifunctional or higher isocyanate compound.
- the storage method according to the present embodiment is a compound different from the isocyanate having 1.0 mass ppm or more and 1.0 ⁇ 10 4 mass ppm or less based on the isocyanate compound, which is a bifunctional or higher functional isocyanate compound.
- the viscosity of the isocyanate compound is increased. , Generation of gel components, increase in chromaticity and the like can be suppressed.
- NCO content (NCO%) was determined as mass% by back titration with 1N hydrochloric acid after neutralizing the isocyanate group in the measurement sample with excess 2N amine.
- GPC Gal permeation chromatography
- Equipment used HLC-8120 (manufactured by Tosoh Corporation) Columns used: TSK GEL SuperH1000, TSK GEL SuperH2000, TSK GEL SuperH3000 (all manufactured by Tosoh Corporation) Sample concentration: 5 wt / vol% (50 mg of sample was dissolved in 1 mL of tetrahydrofuran (THF)) Carrier: THF Detection method: Discharge of parallax refractometer: 0.6 mL / min Column temperature: 30 ° C. For the preparation of the calibration curve, polystyrene having a molecular weight of 1,000 to 20,000 was used.
- LC ⁇ Liquid chromatography
- Equipment used HLC-8120 (manufactured by Tosoh Corporation)
- Carrier: acetonitrile / water 50/50 (vol)
- Detection method UV Outflow rate: 1.0 mL / min Column temperature: 40 ° C.
- GC ⁇ Gas chromatography
- ⁇ NMR analysis method> Apparatus: JNM-A400 FT-NMR system (manufactured by JEOL Ltd.)
- Combustion pretreatment device Automatic combustion device AQF-100 (Mitsubishi Analytic) Furnace temperature: Inret 900 ° C, Outlet 1000 ° C Gas flow rate: Ar / O2 400 mL / min, O2 200 mL / min Ion chromatograph: ICS-1500 (manufactured by DIONEX) Guard column AG12A Separation column: AS12A Suppressor: ASRS-300 Suppressor current 50mA Eluent: 2.7 mM Na2CO3, 0.3 mM NaHCO3
- Purification example A1 Supply to a multistage distillation column (selected from a regular packed distillation column, an irregular packed distillation column, and a plate distillation column).
- the pressure at the top of the distillation column is controlled (absolute pressure), and the amount of heat necessary for distillation is supplied from a reboiler. If necessary, an inert gas such as nitrogen, argon or helium is accompanied.
- an inert gas such as nitrogen, argon or helium is accompanied.
- a fraction is extracted from the side cut line provided below in the height direction from the top of the tower. Analyze the resulting fraction.
- the purified isocyanate liquid is supplied to a falling film type molecular distillation machine (for example, MS-300 type manufactured by Shibata Kagaku Co., Ltd.), the vaporized composition components are captured on the cooler surface, and are extracted into a collector. If necessary, an inert gas such as nitrogen, argon or helium is accompanied.
- a falling film type molecular distillation machine for example, MS-300 type manufactured by Shibata Kagaku Co., Ltd.
- an inert gas such as nitrogen, argon or helium is accompanied.
- Purification example A3 The amount of heat required for distillation is supplied to the falling film type evaporator with a heating medium jacket or heater, the isocyanate composition to be purified is supplied from the upper part of the falling film type evaporator, and the gas phase gas is supplied countercurrently or simultaneously. Extract. If necessary, an inert gas such as nitrogen, argon or helium is accompanied.
- Example 1 Preparation of Isocyanate Composition 200 g of 1,3,6-triaminohexane was mixed with 1000 g of o-dichlorobenzene, and phosgene gas was blown in for 12 hours while heating to 130 ° C. Further, dephosgene was performed by blowing nitrogen gas, and o-dichlorobenzene was distilled off at 1 kPa and 120 ° C. to obtain 190 g of crude 1,3,6-triisocyanatohexane (TTI) (purity 90%). ). The obtained 1,3,6-triisocyanatohexane was purified by distillation at a jacket temperature of 160 ° C.
- TTI 1,3,6-triisocyanatohexane
- the isocyanate composition was prepared by adding methyl carbonate to 13 ppm with respect to the isocyanate.
- the content of 1,3,6-triisocyanatohexane in the composition measured by GC was 98.7% by mass, and the composition was composed of 1,3,6-triisocyanatohexane and methyl carbonate. It was a mixture consisting of phenyl.
- APHA was 10.
- Example 2 Preparation of isocyanate composition
- 1,3,6-triisocyanatohexane was obtained, and then dibutyl phosphoric acid was added to 7 ppm with respect to isocyanate to prepare an isocyanate composition.
- the content of 1,3,6-triisocyanatohexane in the composition measured by GC was 97% by mass, and APHA was 21.
- Synthesis example B1 100 g (321 mmol) of a compound represented by the following formula (40) and 90.6 g (969 mmol) of phenol were heated and reacted at 100 ° C. in a nitrogen atmosphere. When the reaction product was analyzed by liquid chromatography and the amount of phenol remaining was confirmed, it was below the lower limit of detection. The reaction product was used as a compound represented by Formula (1) or Formula (33) of the present embodiment.
- Example 3 Preparation of isocyanate composition 100 g of the compound represented by the above formula (40) and 9 g of the compound obtained in Synthesis Example B1 were mixed to prepare an isocyanate composition.
- the content concentration of the compound represented by the formula (1) or the formula (33) was calculated as an amount with respect to the isocyanate compound, and was 90 ppm.
- dimethyl carbonate and pentadecane were respectively added to 14 ppm and 1700 ppm with respect to the isocyanate compound to prepare an isocyanate composition.
- -Storage of isocyanate composition The isocyanate composition prepared above was stored in the same manner as in Example 1. The results are shown in Table 1.
- Synthesis example B2 100 g (495 mmol) of the compound represented by the following formula (44) and 73.4 g (990 mmol) of 1-butanol were heated and reacted at 100 ° C. in a nitrogen atmosphere. The reaction product was analyzed by liquid chromatography, and the residual amount of butanol was confirmed to be below the detection limit. The reaction product was used as a compound represented by Formula (1) or Formula (33) of the present embodiment.
- Example 4 Preparation of Isocyanate Composition 55 g of the compound represented by the above formula (44) and 1.5 mg of the compound obtained in Synthesis Example B2 were mixed to prepare an isocyanate composition.
- the content concentration of the compound represented by the formula (1) or the formula (33) was calculated as an amount with respect to the isocyanate compound, and was 3 ppm.
- -Storage of isocyanate composition The isocyanate composition prepared above was stored in the same manner as in Example 1. The results are shown in Table 1.
- Synthesis example B3 Except that 4-aminomethyloctane-1,8-diamine was used in place of 1,3,6-triaminohexane in Example 1 above, the same procedure as in Example 1 was carried out to obtain 1,8-diisocyanato- 4-isocyanatomethyloctane (hereinafter sometimes referred to as TTI) was produced. 10.5 mg (4.6 ⁇ 10-2 mmol) of a titanium catalyst represented by the following formula (45) and TTI were reacted at 25 ° C. for 24 hours under a nitrogen atmosphere, and the resulting reaction product was as shown in FIG.
- TTI 1,8-diisocyanato- 4-isocyanatomethyloctane
- the horizontal axis represents the retention time of the gel permeation chromatograph, and the vertical axis represents the absorption of the UV detector (wavelength 254 nm).
- the retention time described as TTI decamer represents the retention time of molecular weight corresponding to TTI decamer
- the retention time described as TTI represents the retention time of molecular weight corresponding to TTI.
- the compound having UV absorption in the region of isocyanate decamer or higher is a compound that exhibits a peak at a retention time of 8.778 minutes in the gel permeation chromatograph of FIG. is there.
- Example 5 Preparation of isocyanate composition TTI500g and the compound 7.5mg obtained by the said synthesis example B3 were mixed, and the isocyanate composition was prepared.
- -Storage of isocyanate composition The isocyanate composition prepared above was stored in the same manner as in Example 1. The results are shown in Table 1.
- Example 6 Preparation of Isocyanate Composition Duranate (TLA-100 manufactured by Asahi Kasei Co., Ltd.), which is a mixture of dibutyl phosphoric acid, uretdione of hexamethylene diisocyanate and isocyanurate, was added to the purified TTI solution obtained in the same manner as in Example 1. It added so that it might become 20 ppm, respectively with respect to the total mass. -Storage of isocyanate composition The isocyanate composition prepared above was stored in the same manner as in Example 1. The results are shown in Table 1.
- Examples 7 to 74, Comparative Examples 1 to 18 Isocyanate obtained in the same manner as in Example 1 was used except that the contents of “raw amine” and stabilizer were changed as shown in the table using the corresponding raw materials. After the isocyanate was purified using any one of the purification examples A1 to A3, an isocyanate composition was prepared using the isocyanate, and the isocyanate composition was stored in the same manner as in Example 1. The results are shown in the table below. In Comparative Examples 1, 3, 5, 7, 9, 11, 13, 15, and 17, gel was generated in the isocyanate after storage, and GPC measurement could not be performed.
- raw material amine represents an amine used as a raw material for isocyanate synthesis.
- a compound obtained by the reaction of isocyanate and phenol as in Synthesis Example B1 is represented by the formula (1) or
- reaction product of isocyanate and phenol it was described as “reaction product of isocyanate and phenol”.
- the isocyanate used is an isocyanate contained in the isocyanate composition, and 2 equivalents of hydroxy to the isocyanate group of the isocyanate.
- a compound (aromatic hydroxy compound or alcohol) was used.
- the “compound having UV absorption in the region of the isocyanate decamer or higher” is prepared by the same method as in Synthesis Example B2 above, except that the isocyanate contained in the isocyanate composition is used instead of 1,3,6-triisocyanatohexane. Used and synthesized.
- As compounds containing isocyanurate groups and / or biuret groups Duranate TPA-100, TKA-100 and TLA-100 manufactured by Asahi Kasei Corporation were used.
- surface content of the compound contained in a composition represents content with respect to an isocyanate compound.
- Example C1 Synthesis of isocyanate polymer Into a glass four-necked flask equipped with a thermometer, a stirrer, and a nitrogen seal tube, 100 g of the isocyanate composition after storage in Example 1 above was placed, and the air in the flask was replaced with nitrogen. Heat to 70 ° C. with stirring. By measuring the refractive index of the reaction solution, the catalyst (tetramethylammonium hydroxide) was gradually added until the conversion rate of isocyanate reached 20%, and when it reached 20%, 0.5 g of 85% aqueous phosphoric acid solution was added. The reaction was stopped. After the reaction, the reaction solution is filtered, and unreacted isocyanate is removed at the first 160 ° C.
- the catalyst tetramethylammonium hydroxide
- the weather resistance of the coated plate was evaluated.
- Dew panel weather meter (made by Suga Test Instruments) was used for the weather resistance evaluation. Evaluation conditions were in accordance with JIS D0205, irradiation illuminance of 30 W / m 2 , panel temperature of 60 ° C., irradiation time and dew condensation time were cycled every 4 hours. When the exposure time reached 1200 hours, the gloss retention was 80% or more.
- Example D1 After the inside of the four-necked flask equipped with a stirrer, a temperature system, a condenser tube and a probe for FT-IR (manufactured by METTLER TOLEDO, React-IR, AgX probe) was purged with nitrogen and stored in Example 2 above 120 g of an isocyanate composition and 130 g of a polyester polyol “Placcel 305” (trade name of Daicel Chemical Industries) derived from a trihydric alcohol and ⁇ -caprolactone were added and heated at 130 ° C. with stirring. The reaction was carried out while confirming the amount of urethane groups produced by FT-IR.
- a polyester polyol “Placcel 305” trade name of Daicel Chemical Industries
- This residue was further distilled at 160 ° C. and 0.3 kPa using a thin film distillation apparatus to obtain an isocyanate polymer.
- the weather resistance of the isocyanate polymer was evaluated in the same manner as in Example C1. When the exposure time reached 1200 hours, the gloss retention was 80% or more.
- Example E1 400 g of TTI and 200 g of the composition of Example 1 were weighed in a reactor consisting of a thermometer, a stirrer, a nitrogen sealed tube and a 500 mL four-necked glass flask, and the composition of Example 1 was weighed, replaced with nitrogen in the reactor, and heated to 65 ° did. Thereafter, 140 g of 2-ethylhexanol was added and stirred for 10 minutes. Thereafter, 50 g of a 5% isobutanol solution of tetrabutylammonium acetate was added over 60 minutes. During the reaction, the temperature was adjusted to 65 ⁇ 2 ° C.
- reaction terminator 5 g of 85% aqueous phosphoric acid solution was added, the temperature was raised to 100 ° C., and stirring was continued for 1 hour after reaching 100 ° C.
- the reaction solution was a colorless and transparent liquid.
- This reaction solution was filtered through a membrane filter having a pore size of 1 ⁇ m to separate reaction residues, and then unreacted TTI was distilled off with a thin film distillation apparatus to obtain a polyisocyanate composition.
- the obtained polyisocyanate composition was almost colorless and transparent.
- an isocyanate composition containing a bifunctional diisocyanate and / or a trifunctional or higher functional isocyanate having improved storage stability is provided.
- the method of polymerizing the said isocyanate composition and manufacturing a polyisocyanate composition is provided.
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Abstract
Description
本願は、2016年10月14日に日本に出願された特願2016-203092号及び特願2016-203098号に基づき優先権を主張し、その内容をここに援用する。
イソシアネートとしては2官能のイソシアネートであるジイソシアネートが用いられる場合が多いが、ポリウレタンの物性向上や蒸気圧を抑えて取扱作業者の安全を確保する目的で、例えば下記式(a)~(c)で表される反応によってジイソシアネートを重合させてイソシアネート重合体として使用する場合が多い。
式(a)で表される反応では、イソシアヌレート型イソシアネート重合体が得られ、式(b)で表される反応では、ビウレット型イソシアネート重合体が得られ、式(c)で表される反応では、ウレタン型イソシアネート重合体が得られる。
ビウレット型イソシアネート重合体に関しては、特許文献1~6に開示がある。イソシアヌレート型イソシアネート重合体に関しては、特許文献7~10に開示がある。アロファネート型イソシアネート重合体に関しては、特許文献11及び12に開示がある。
一方で、3官能以上のイソシアネート基を有するイソシアネートの例もある(例えば、特許文献13参照)。3官能以上のイソシアネートは蒸気圧が低いため、2官能のジイソシアネートの蒸気圧を抑えるために必要であったジイソシアネートの重合が不要となる利点がある。また、2官能のジイソシアネートを用いる場合は、ジオールとの反応で直鎖状のポリウレタンが得られるが、3官能以上のイソシアネートを用いると、ジオールとの反応であっても架橋構造を有するポリウレタンが得られ、例えば、塗料として用いた場合の塗膜物性や外観の改善に効果を奏する。
このように、3官能以上のイソシアネートはジイソシアネートに比べて利点を有することが知られていた。
本発明は、このような事情に鑑み、2官能のジイソシアネートおよび/または3官能以上のイソシアネートを含む、貯蔵安定性に優れたイソシアネート組成物を提供することを目的とする。また、本発明は、当該イソシアネート組成物の重合によってイソシアネート重合体を製造する方法を提供することをも目的とする。
すなわち、本発明は以下のとおりである。
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、前記イソシアネートと異なる化合物であって、芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物、と、
を含有する、イソシアネート組成物。
(2)前記不飽和結合を少なくとも1つ有する化合物が、ゲル浸透クロマトグラフィーによる測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物である、前記(1)に記載のイソシアネート組成物。
(3)前記不飽和結合を少なくとも1つ有する化合物が、下記式(1)で表される化合物である、前記(1)に記載のイソシアネート組成物。
(4)前記不飽和結合を少なくとも1つ有する化合物が、イソシアヌレート基および/またはビウレット基を含有する化合物である、前記(1)に記載のイソシアネート組成物。
(5)前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、炭化水素化合物、エーテル化合物、スルフィド化合物、ハロゲン化炭化水素化合物、含ケイ素炭化水素化合物、含ケイ素エーテル化合物及び含ケイ素スルフィド化合物からなる群より選ばれる少なくとも1種の不活性化合物であって、芳香環を構成する不飽和結合以外に炭素-炭素間の不飽和結合及び炭素-酸素間の二重結合を有しない不活性化合物、及び/又は、
1.0質量ppm以上1.0×103質量ppm以下の、硫酸、及び/又は、硫酸エステル、及び/又は、
1.0質量ppm以上1.0×103質量ppm以下の、リン酸、及び/又は、リン酸エステルと、を更に含有する、前記(1)~(4)のいずれか一項に記載のイソシアネート組成物。
(6)前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×102質量ppm以下の、ハロゲン化炭化水素化合物に由来しないハロゲン原子、を更に含有する、前記(1)~(5)のいずれか一項に記載のイソシアネート組成物。
(7)イソシアネート組成物全体を基準として、前記イソシアネート化合物を97質量%以上含有する、前記(1)~(6)のいずれか一項に記載のイソシアネート組成物。
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×103質量ppm以下の、硫酸、及び/又は、硫酸エステル、及び/又は、
1.0質量ppm以上1.0×103質量ppm以下の、リン酸、及び/又は、リン酸エステルと、を含有する、イソシアネート組成物。
(9)2官能以上のイソシアネート化合物と、
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、ゲル浸透クロマトグラフィーによる測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物、及び/又は、
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、イソシアヌレート基および/またはビウレット基を含有する化合物、を含有する、イソシアネート組成物。
(10)前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×103質量ppm以下の、硫酸及び/又は硫酸エステル、及び/又は、1.0質量ppm以上1.0×103質量ppm以下の、リン酸及び/又はリン酸エステルを含有する前記(9)に記載のイソシアネート組成物。
(11)前記(1)~(10)のいずれか一項に記載のイソシアネート組成物に含有される前記イソシアネート化合物を反応させるイソシアネート重合体の製造方法であって、
前記イソシアネート重合体が、下記式(A)又は(B)で表される単位と、下記式(2)、(3)、(4)、(5)、(6)、(7)及び(8)でそれぞれ表される単位からなる群より選ばれる少なくとも1種の単位と、を有し、
前記イソシアネート重合体を構成する窒素原子が、炭素原子と結合している、製造方法。
前記イソシアネート組成物の総質量に対して、前記イソシアネート化合物は、97質量%以上含有することが好ましい。
したがって、本実施形態のイソシアネート組成物は「長期貯蔵用イソシアネート組成物」であるということもできる。あるいは、前記の芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物、又は、硫酸、硫酸エステル、リン酸及び/又はリン酸エステルは、2官能のジイソシアネートおよび/または3官能以上のイソシアネート化合物の品質保持剤、安定化剤、高粘度化抑制剤、ゲル成分の発生抑制剤、色度上昇抑制剤等であるということもできる。
以下、本実施形態のイソシアネート組成物に含有される化合物について説明する。
本実施形態のイソシアネート組成物において、2官能以上のイソシアネート化合物としては、下記式(10)で表される化合物が好ましく使用される。
式(10)において、R33は、好ましくは炭素原子数3~85の有機基であり、より好ましくは炭素原子数3~30の有機基である。
特定の非金属原子と共有結合しているとは、例えば、前記基が、下記式(11)~(23)で表されるいずれかの基と共有結合で結合している状態である。
炭素数4~30の脂肪族ジイソシアネートとしては、具体的には、1,4-テトラメチレンジイソシアネート、1,5-ペンタメチレンジイソシアネート、1,4-ジイソシアナト-2-メチルブタン、1,6-ヘキサメチレンジイソシアネート、1,6-ジイソシアナト-2,5-ジメチルヘキサン、2,2,4-トリメチル-1,6-ヘキサメチレンジイソシアネート、リジンメチルエステルジイソシアネート、リジンエチルエステルジイソシアネート等が挙げられる。
炭素数8~30の脂環族ジイソシアネートとしては、具体的には、イソホロンジイソシアネート、1,3-ビス(イソシアネートメチル)-シクロヘキサン、4,4’-ジシクロヘキシルメタンジイソシアネート、水添テトラメチルキシリレンジイソシアネート、ノルボルネンジイソシアネートが挙げられる。
炭素数8~30の芳香族基を含有するジイソシアネートとしては、4,4’-ジフェニルメタンジイソシアネート、2,6-トリレンジイソシアネート、キシリレンジイソシアネート、テトラメチルキシリレンジイソシアネート、ナフタレンジイソシアネートが挙げられる。
なお、前記した化合物に構造異性体が存在する場合は、その構造異性体も前記例に含まれる。
また、2官能のイソシアネートとして、2分子の前記2官能イソシアネートが尿素結合やウレトジオン構造等を介して2量体化した化合物を用いることもできる。
また、3官能のイソシアネートとして、3分子の前記2官能のイソシアネートが、イソシアヌレート環構造やビウレット結合等を介して3量体化した化合物を用いることもできる。
本実施形態のイソシアネート組成物は、2官能以上のイソシアネート化合物と共に、前記イソシアネート化合物以外の、芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物を含有する。
一般的に、炭素-炭素間の二重結合は芳香環を構成する炭素-炭素間の二重結合である場合もあるが、本実施形態のイソシアネート組成物における不飽和結合化合物に含まれる不飽和結合は、芳香環を構成する炭素-炭素間の二重結合を含まない。
ゲル浸透クロマトグラフィー(GPC)による測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物は、下記式(37)で表される1-ナイロン体構造を主骨格とする化合物であることが好ましい。
ゲル浸透クロマトグラフィー(GPC)による測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物を構成するイソシアネートは、本実施形態のイソシアネート組成物を構成するイソシアネート化合物と同種のイソシアネートであっても、異なるイソシアネートであってもよく、前記<2官能以上のイソシアネート化合物>の項で挙げたイソシアネート化合物から選択することができる。
ゲル浸透クロマトグラフィー(GPC)による測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物の濃度は、GPCにUV検出器と示差屈折率検出器を備え付けておき(並列に接続されていても直列に接続されていてもよい)、示差屈折率での、2官能以上のイソシアネートに相当するピークの面積(A)と、イソシアネート10量体以上の領域にUV吸収(波長254nm)を持つ化合物に相当するピークの面積(B)から、(B)/(A)によって算出される値から決定することができる。
イソシアヌレート基および/またはビウレット基を含有する化合物は、下記式(6’)または式(7’)で表される基を含有する化合物である。
イソシアヌレート基および/またはビウレット基を有する化合物を構成するイソシアネートは、本実施形態のイソシアネート組成物を構成するイソシアネート化合物と同種のイソシアネートであっても、異なるイソシアネートであってもよく、前記<2官能以上のイソシアネート化合物>の項で挙げたイソシアネート化合物から選択することができる。イソシアネート組成物中の、イソシアヌレート基および/またはビウレット基を含有する化合物の量は、イソシアヌレート基および/またはビウレット基を含有する化合物を添加した量としてもよいし、展開溶媒をテトラヒドロフランとしたGPCによって定量することもできる。GPCで定量する方法としては、具体的には、GPCに示差屈折率検出器を備え付けておき、示差屈折率での、イソシアネート化合物に相当するピークの面積(A)と、イソシアヌレート基および/またはビウレット基を含有する化合物に相当するピークの面積(B)から、(B)/(A)によって算出される。
なお、前記式(1)で表される化合物が本実施形態の組成物におけるイソシアネート化合物と同じ構造を有する場合は、当該化合物はイソシアネート化合物として定義される。
具体的には、下記式で表される化合物群が例示される。
このようなR5としては、メタン、エタン、プロパン、ブタン、ペンタン、ヘキサン、ヘプタン、オクタン、ノナン、デカン及びこれらの構造異性体等のアルカンからr個の水素原子を除いて形成される基;シクロペンタン、シクロヘキサン、シクロヘプタン、シクロオクタン等のシクロアルカンからr個の水素原子を除いて形成される基;メチルシクロペンタン、エチルシクロペンタン、メチルシクロヘキサン、エチルシクロヘキサン、プロピルシクロヘキサン、ブチルシクロヘキサン、ペンチルシクロヘキサン、ヘキシルシクロヘキサン、ジメチルシクロヘキサン、ジエチルシクロヘキサン、ジブチルシクロヘキサン及びこれらの構造異性体等の鎖状アルキル基で置換されたシクロアルカンからr個の水素原子を除いて形成される基;ベンゼン、トルエン、エチルベンゼン、プロピルベンゼン、ブチルベンゼン、ヘキシルベンゼン、オクチルベンゼン、ナフタレン、ジメチルベンゼン、ジエチルベンゼン、ジプロピルベンゼン、ジブチルベンゼン、ジヘキシルベンゼン、ジオクチルベンゼン、メチルナフタレン、エチルナフタレン、ブチルナフタレン及びこれらの構造異性体等の芳香族化合物からr個の水素原子を除いて形成される基を挙げることができる。これらの中でも、R5は、炭素数1~10のアルカン又はベンゼンからr個の水素原子を除いた基が好ましい。
R6~R8が有機基である場合、炭素原子数1~10の脂肪族基又は炭素原子数6~10の芳香族基であることが好ましい。このようなR6~R8としては、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基及びこれらの構造異性体等のアルキル基;メチルオキシ基、エチルオキシ基、プロピルオキシ基、ブチルオキシ基、ペンチルオキシ基、ヘキシルオキシ基、ヘプチルオキシ基、オクチルオキシ基、ノニルオキシ基、デシルオキシ基及びこれらの構造異性体等の鎖状アルキルオキシ基;シクロペンチル基、シクロヘキシル基、シクロヘプチル基、シクロオクチル基、メチルシクロペンチル基、エチルシクロペンチル基、メチルシクロヘキシル基、エチルシクロヘキシル基、プロピルシクロヘキシル基、ブチルシクロヘキシル基、ペンチルシクロヘキシル基、ヘキシルシクロヘキシル基、ジメチルシクロヘキシル基、ジエチルシクロヘキシル基、ジブチルシクロヘキシル基及びこれらの構造異性体等のシクロアルキル基;鎖状アルキル基とシクロアルキル基とから構成される基;ベンゼン、トルエン、エチルベンゼン、プロピルベンゼン、ブチルベンゼン、ヘキシルベンゼン、オクチルベンゼン、ナフタレン、ジメチルベンゼン、ジエチルベンゼン、ジプロピルベンゼン、ジブチルベンゼン、ジヘキシルベンゼン、ジオクチルベンゼン、メチルナフタレン、エチルナフタレン、ブチルナフタレン及びこれらの構造異性体等の芳香族化合物から水素原子を1つ除いて形成される基等を挙げることができる。これらの中でも、R6~R8としては、炭素数1~10のアルキル基であることが好ましい。
本実施形態のイソシアネート組成物に用いる炭酸誘導体は、下記式(29)で表される。
前記式(29)で表される化合物としては、例えば、尿素化合物、N-無置換カルバミン酸エステル、炭酸エステル、及び、N-置換カルバミン酸エステルが挙げられる。
尿素化合物とは、分子中に尿素結合を少なくとも1つ有する化合物である。本実施形態のイソシアネート組成物に用いる尿素化合物は、好ましくは、尿素結合を1つ有する化合物であり、下記式(30)で表される。
これらの中でも、前記式(30)において、R9、R10、R11及びR12が水素原子である、尿素が好ましい。
N-無置換カルバミン酸エステルとしては、下記式(31)で表される化合物が好ましく使用される。
R13の脂肪族基は、炭素及び水素以外の原子を含んでいてもよく、当該原子は、特定の非金属原子(例えば、酸素、窒素、硫黄、ケイ素又はハロゲン原子)であることが好ましい。
R13の脂肪族基は、炭素及び水素以外の原子として酸素原子を含む脂肪族基、又は、炭素及び水素以外の原子を含まない脂肪族基であることが好ましい。
該芳香族基で置換された脂肪族基は、炭素及び水素以外の原子を含んでいてもよい。
前記置換基の例としては、水素原子、脂肪族基(鎖状炭化水素基、環状炭化水素基、及び、鎖状炭化水素基と環状炭化水素基とから構成される基)、脂肪族基と芳香族基とから構成される基を挙げることができる。
本明細書において、炭酸エステルとは、炭酸(CO(OH)2)の、1又は2個の水素原子を、脂肪族基又は芳香族基で置換した化合物をいう。
本実施形態のイソシアネート組成物においては、下記式(32)で表される化合物が好ましく使用される。
R14及びR15の例としては、前記式(31)のR13と同様の基を挙げることができる。これらの中でも、R14及びR15は、各々独立に、炭素数1~6のアルキル基またはフェニル基を表すことが好ましい。
N-置換カルバミン酸エステルとしては、下記式(33)で表される化合物が挙げられる。該N-置換カルバミン酸エステルは、前記式(1)で表される化合物のより好ましい態様の一つでもある。
前記式(33)の説明において明らかなように、cは本実施形態のイソシアネート組成物を構成するイソシアネート化合物のイソシアネート基の数に依存し、当該イソシアネート化合物が3官能イソシアネート化合物である場合には、cは3であり、当該イソシアネート化合物が5官能イソシアネート化合物である場合には、cは5である。R28が前記式(24)、(25)、(26)又は(27)で表されるイソシアネート化合物である時、cは3である。なお、本実施形態のイソシアネート組成物において、イソシアネート化合物は2官能以上のイソシアネート化合物であることから明らかなように、cは2以上の整数である。
ヒドロキシ化合物(R27OH)は、アルコールであっても芳香族ヒドロキシ化合物であってもよい。ヒドロキシ化合物(R27OH)がアルコールである場合、ヒドロキシ化合物は下記式(34)で表される化合物である。
R16(OH)u (34)
前記式(34)中、R16は、u個のヒドロキシ基で置換された、炭素原子数1~20の脂肪族基、又は炭素原子数7~20の、芳香族基が結合した脂肪族基からなる基を表し、uは1~3の整数を表す。ただし、R16はヒドロキシ基以外に活性水素を有しない基である。
前記式(35)で表される芳香族ヒドロキシ化合物のうち、より好ましくはvが1である1価の芳香族ヒドロキシ化合物である。
このような置換基のなかで、本実施形態で好ましく使用できる置換基は、副反応の起こりにくさを考えれば、非環式炭化水素基、及び環式炭化水素基(単環式炭化水素基、縮合多環式炭化水素基、架橋環式炭化水素基、スピロ炭化水素基、環集合炭化水素基、側鎖のある環式炭化水素基)からなる群の中から選ばれる基、並びに前記群から選ばれる少なくとも2種以上の基が互いに結合した基(互いに置換した基)である。
好ましい環Aを置換する置換基としては、アルキル基、シクロアルキル基、アリール基、アラルキル基、エーテル基(置換又は無置換の、アルキルエーテル又はアリールエーテル又はアラルキルエーテル)からなる群から選ばれる基、2種以上の前記群から選ばれる基が互いに結合した基;2種以上の前記群より選ばれる基が飽和炭化水素結合又はエーテル結合で連結された基、又はハロゲン原子であって、環Aを構成する炭素原子数と、環Aを置換する全ての置換基を構成する炭素原子数との合計が6~50の整数となる基が挙げられる。
(i)水素原子、
(ii)ハロゲン原子、
(iii)構成する炭素原子数が1~44の炭素官能基であり、α位の炭素原子に、各々独立に、炭素原子数1~43の鎖状アルキル基、炭素原子数1~43のシクロアルキル基、炭素原子数1~43のアルコキシ基、炭素原子数2~43であって末端にヒドロキシ基を有しないポリオキシアルキレンアルキルエーテル基、炭素原子数6~43のアリール基、炭素原子数7~43の、芳香族基が結合したアルキル基、炭素原子数7~43の、芳香族基が結合したシクロアルキル基、及び炭素原子数7~43の芳香族基が結合したアルキルオキシ基、から選ばれる1種以上の基が結合した基、
(iv)炭素原子数1~44の芳香族基であり、前記芳香族基に、水素原子、炭素原子数1~38の鎖状アルキル基、炭素原子数4~38のシクロアルキル基、炭素原子数1~38のアルコキシ基、炭素原子数2~38であって末端にヒドロキシ基を有しないポリオキシアルキレンアルキルエーテル基、炭素原子数6~38の芳香族基、炭素原子数7~38の、芳香族基が結合したアルキル基、炭素原子数7~38の、芳香族基が結合したシクロアルキル基、及び炭素原子数7~38の、芳香族基が結合したアルキルオキシ基、から選ばれる1種以上の基が結合した基、
(v)炭素原子数1~44の酸素官能基であり、酸素原子に、炭素原子数1~44のアルキル基、炭素原子数1~44のシクロアルキル基、炭素原子数1~44のアルコキシ基、炭素原子数2~44であって末端にヒドロキシ基を有しないポリオキシアルキレンアルキルエーテル基、炭素原子数6~44の芳香族基、炭素原子数7~44の、芳香族基が結合したアルキル基、及び炭素原子数7~44のアラルキルオキシ基、から選ばれる1種以上の基が結合した基。
ここで、「アラルキルオキシ基」とは、上で定義したアラルキル基に酸素原子が結合した基を表している。
本実施形態のイソシアネート組成物は、前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、炭化水素化合物、エーテル化合物、スルフィド化合物、ハロゲン化炭化水素化合物、含ケイ素炭化水素化合物、含ケイ素エーテル化合物及び含ケイ素スルフィド化合物からなる群より選ばれる少なくとも1種の化合物であって、芳香環を構成する不飽和結合以外に炭素-炭素間の不飽和結合及び炭素-酸素間の二重結合を有しない不活性化合物(以下、「不活性化合物」ともいう。)を更に含有していてもよい。前記不活性化合物は、イソシアネート組成物の貯蔵中及びポリウレタンの生成反応下において、イソシアネート化合物と反応しない。
化合物Aは、直鎖状、分岐鎖状又は環状構造を有する脂肪族炭化水素化合物である。化合物Aは、好ましくは、炭素原子数5~20の炭化水素化合物である。化合物Aの具体例としては、ペンタン、ヘキサン、ヘプタン、オクタン、ノナン、デカン、ドデカン、テトラデカン、ペンタデカン、ヘキサデカン、オクタデカン、ノナデカン、シクロペンタン、シクロヘキサン、シクロヘプタン、シクロオクタン、メチルシクロペンタン、エチルシクロペンタン、メチルシクロヘキサン、エチルシクロヘキサン、プロピルシクロヘキサン、ブチルシクロヘキサン、ペンチルシクロヘキサン、ヘキシルシクロヘキサン、ジメチルシクロヘキサン、ジエチルシクロヘキサン、ジブチルシクロヘキサン及びこれらの構造異性体等が挙げられる。
化合物Bは、脂肪族炭化水素基で置換されていてもよい芳香族炭化水素化合物である。化合物Bは、好ましくは、炭素原子数5~20の炭化水素化合物である。化合物Bの具体例としては、ベンゼン、トルエン、エチルベンゼン、ブチルベンゼン、ペンチルベンゼン、ヘキシルベンゼン、オクチルベンゼン、ビフェニル、ターフェニル、ジフェニルエタン、(メチルフェニル)フェニルエタン、ジメチルビフェニル、ベンジルトルエン、ジベンジルトルエン、ナフタレン、メチルナフタレン、エチルナフタレン、ブチルナフタレン及びこれらの構造異性体等が挙げられる。
化合物Cは、エーテル結合又はスルフィド結合と、脂肪族炭化水素基とを有する化合物であり、同種又は異種の脂肪族炭化水素化合物が、エーテル結合又はスルフィド結合を介して結合した化合物である。化合物Cは、好ましくは、炭素原子数2~20の化合物である。化合物Cの具体例としては、エチルエーテル、ブチルエーテル、オクチルエーテル、ノニルエーテル、デシルエーテル、メチルエチルエーテル、メチルブチルエーテル、メチルオクチルエーテル、メチルノニルエーテル、メチルデシルエーテル、エチルブチルエーテル、エチルオクチルエーテル、エチルノニルエーテル、エチルデシルエーテル、ブチルオクチルエーテル、ブチルノニルエーテル、ブチルデシルエーテル、オクチルノニルエーテル、オクチルデシルエーテル、ジシクロペンチルエーテル、ジシクロヘキシルエーテル、ジシクロオクチルエーテル、シクロヘキシルエチルエーテル、シクロヘキシルブチルエーテル、シクロヘキシルオクチルエーテル、シクロヘキシルノニルエーテル、シクロヘキシルデシルエーテル、テトラエチレングリコールジメチルエーテル及びこれらの構造異性体等の炭化水素化合物がエーテル結合を介して結合したエーテル類;メチルスルフィド、エチルスルフィド、ブチルスルフィド、オクチルスルフィド、ノニルスルフィド、デシルスルフィド、メチルエチルスルフィド、メチルブチルスルフィド、メチルオクチルスルフィド、メチルノニルスルフィド、メチルデシルスルフィド、エチルブチルスルフィド、エチルオクチルスルフィド、エチルノニルスルフィド、エチルデシルスルフィド、ブチルオクチルスルフィド、ブチルノニルスルフィド、ブチルデシルスルフィド、オクチルノニルスルフィド、オクチルデシルスルフィド、ジシクロペンチルスルフィド、ジシクロヘキシルスルフィド、ジシクロオクチルスルフィド、シクロヘキシルエチルスルフィド、シクロヘキシルブチルスルフィド、シクロヘキシルオクチルスルフィド、シクロヘキシルノニルスルフィド、シクロヘキシルデシルスルフィド及びこれらの構造異性体等の炭化水素化合物がスルフィド結合を介して結合したスルフィド類が挙げられる。これらの中でも、炭素数2~20のアルキルエーテルまたはアルキルスルフィドが好ましい。
化合物Dは、エーテル結合又はスルフィド結合と、芳香族炭化水素基とを有する化合物であり、同種又は異種の芳香族炭化水素化合物が、エーテル結合又はスルフィド結合を介して結合した化合物である。化合物Dは、好ましくは、炭素原子数2~20の化合物である。化合物Dの具体例としては、ジフェニルエーテル、(メチルフェニル)-フェニルエーテル、(エチルフェニル)-フェニルエーテル、(ブチルフェニル)-フェニルエーテル、(ヘキシルフェニル)-フェニルエーテル、(メチルフェニル)エーテル、(エチルフェニル)エーテル、(ブチルフェニル)エーテル、(ヘキシルフェニル)エーテル、ジベンジルエーテル、ジ(メチルベンジル)エーテル、ジ(エチルベンジル)エーテル、ジ(ブチルベンジル)エーテル、ジ(ペンチルベンジル)エーテル、ジ(ヘキシルベンジル)エーテル、ジ(オクチルベンジル)エーテル、及びこれらの構造異性体等の芳香族炭化水素化合物がエーテル結合を介して結合した芳香族エーテル類;ジフェニルスルフィド、(メチルフェニル)-フェニルスルフィド、(エチルフェニル)-フェニルスルフィド、(ブチルフェニル)-フェニルスルフィド、(ヘキシルフェニル)-フェニルスルフィド、(メチルフェニル)スルフィド、(エチルフェニル)スルフィド、(ブチルフェニル)スルフィド、(ヘキシルフェニル)スルフィド、ジ(メチルベンジル)スルフィド、ジ(エチルベンジル)スルフィド、ジ(ブチルベンジル)スルフィド、ジ(ペンチルベンジル)スルフィド、ジ(ヘキシルベンジル)スルフィド、ジ(オクチルベンジル)スルフィド、ジフェニルスルフィド、ジベンジルスルフィド及びこれらの構造異性体等の芳香族炭化水素化合物がスルフィド結合を介して結合した芳香族スルフィド類が挙げられる。これらの中でもジフェニルエーテルが好ましい。
化合物Eは、エーテル結合又はスルフィド結合と、脂肪族炭化水素基と、芳香族炭化水素基とを有する化合物である。化合物Eは、好ましくは、炭素原子数7~20の化合物である。化合物Eの具体例としては、フェニル-メチル-エーテル、フェニル-エチル-エーテル、フェニル-ブチル-エーテル、フェニル-オクチル-エーテル、フェニル-ノニル-エーテル、フェニル-デシル-エーテル、ベンジル-エチル-エーテル、ベンジル-ブチル-エーテル、ベンジル-オクチル-エーテル、ベンジル-ノニル-エーテル、ベンジル-デシル-エーテル、(メチルフェニル)エチルエーテル、(メチルフェニル)ブチルエーテル、(メチルフェニル)オクチルエーテル、(メチルフェニル)ノニルエーテル、(メチルフェニル)デシルエーテル、(エチルフェニル)エチルエーテル、(エチルフェニル)ブチルエーテル、(エチルフェニル)オクチルエーテル、(エチルフェニル)ノニルエーテル、(エチルフェニル)デシルエーテル、(ブチルフェニル)エチルエーテル、(ブチルフェニル)ブチルエーテル、(ブチルフェニル)オクチルエーテル、(ブチルフェニル)ノニルエーテル、(ブチルフェニル)デシルエーテル及びこれらの構造異性体等が挙げられる。これらの中でも、炭素数1~20アルキル-フェニルエーテルが好ましい。
化合物Fは、脂肪族炭化水素化合物を構成する少なくとも1つの水素原子、又は、芳香族炭化水素化合物を構成する少なくとも1つの水素原子がハロゲン原子に置換されたハロゲン化物である。化合物Fは、好ましくは、炭素原子数2~20の化合物である。化合物Fの具体例としては、クロロエタン、クロロプロパン、クロロブタン、クロロペンタン、クロロヘキサン、クロロヘプタン、クロロオクタン、クロロノナン、クロロデカン、クロロドデカン、クロロテトラデカン、クロロペンタデカン、クロロヘキサデカン、クロロオクタデカン、クロロノナデカン、クロロシクロペンタン、クロロシクロヘキサン、クロロシクロヘプタン、クロロシクロオクタン、クロロメチルシクロペンタン、クロロエチルシクロペンタン、クロロメチルシクロヘキサン、クロロエチルシクロヘキサン、クロロプロピルシクロヘキサン、クロロブチルシクロヘキサン、クロロペンチルシクロヘキサン、クロロヘキシルシクロヘキサン、クロロジメチルシクロヘキサン、クロロジエチルシクロヘキサン、クロロジブチルシクロヘキサン、クロロベンゼン、クロロメチルベンゼン、クロロエチルベンゼン、クロロブチルベンゼン、クロロペンチルベンゼン、クロロヘキシルベンゼン、クロロオクチルベンゼン、クロロビフェニル、クロロターフェニル、クロロジフェニルエタン、クロロ(メチルフェニル)フェニルエタン、クロロジメチルビフェニル、クロロベンジルトルエン、クロロナフタレン、クロロメチルナフタレン、クロロエチルナフタレン、クロロブチルナフタレン、ジクロロエタン、ジクロロプロパン、ジクロロブタン、ジクロロペンタン、ジクロロヘキサン、ジクロロヘプタン、ジクロロクタン、ジクロロノナン、ジクロロデカン、ジクロロドデカン、ジクロロテトラデカン、ジクロロペンタデカン、ジクロロヘキサデカン、ジクロロクタデカン、ジクロロノナデカン、ジクロロシクロペンタン、ジクロロシクロヘキサン、ジクロロシクロヘプタン、ジクロロシクロオクタン、ジクロロメチルシクロペンタン、ジクロロエチルシクロペンタン、ジクロロメチルシクロヘキサン、ジクロロエチルシクロヘキサン、ジクロロプロピルシクロヘキサン、ジクロロブチルシクロヘキサン、ジクロロペンチルシクロヘキサン、ジクロロヘキシルシクロヘキサン、ジクロロジメチルシクロヘキサン、ジクロロジエチルシクロヘキサン、ジクロロジブチルシクロヘキサン、ジクロロベンゼン、ジクロロメチルベンゼン、ジクロロエチルベンゼン、ジクロロブチルベンゼン、ジクロロペンチルベンゼン、ジクロロヘキシルベンゼン、ジクロロクチルベンゼン、ジクロロビフェニル、ジクロロターフェニル、ジクロロジフェニルエタン、ジクロロ(メチルフェニル)フェニルエタン、ジクロロジメチルビフェニル、ジクロロベンジルトルエン、ジクロロナフタレン、ジクロロメチルナフタレン、ジクロロエチルナフタレン、ジクロロブチルナフタレン、ジブロモエタン、ジブロモプロパン、ジブロモブタン、ジブロモペンタン、ジブロモヘキサン、ジブロモヘプタン、ジブロモクタン、ジブロモノナン、ジブロモデカン、ジブロモドデカン、ジブロモテトラデカン、ジブロモペンタデカン、ジブロモヘキサデカン、ジブロモクタデカン、ジブロモノナデカン、ジブロモシクロペンタン、ジブロモシクロヘキサン、ジブロモシクロヘプタン、ジブロモシクロオクタン、ジブロモメチルシクロペンタン、ジブロモエチルシクロペンタン、ジブロモメチルシクロヘキサン、ジブロモエチルシクロヘキサン、ジブロモプロピルシクロヘキサン、ジブロモブチルシクロヘキサン、ジブロモペンチルシクロヘキサン、ジブロモヘキシルシクロヘキサン、ジブロモジメチルシクロヘキサン、ジブロモジエチルシクロヘキサン、ジブロモジブチルシクロヘキサン、ジブロモベンゼン、ジブロモメチルベンゼン、ジブロモエチルベンゼン、ジブロモブチルベンゼン、ジブロモペンチルベンゼン、ジブロモヘキシルベンゼン、ジブロモクチルベンゼン、ジブロモビフェニル、ジブロモターフェニル、ジブロモジフェニルエタン、ジブロモ(メチルフェニル)フェニルエタン、ジブロモジメチルビフェニル、ジブロモベンジルトルエン、ジブロモナフタレン、ジブロモメチルナフタレン、ジブロモエチルナフタレン、ジブロモブチルナフタレン、ジフルオロエタン、ジフルオロプロパン、ジフルオロブタン、ジフルオロペンタン、ジフルオロヘキサン、ジフルオロヘプタン、ジフルオロクタン、ジフルオロノナン、ジフルオロデカン、ジフルオロドデカン、ジフルオロテトラデカン、ジフルオロペンタデカン、ジフルオロヘキサデカン、ジフルオロクタデカン、ジフルオロノナデカン、ジフルオロシクロペンタン、ジフルオロシクロヘキサン、ジフルオロシクロヘプタン、ジフルオロシクロオクタン、ジフルオロメチルシクロペンタン、ジフルオロエチルシクロペンタン、ジフルオロメチルシクロヘキサン、ジフルオロエチルシクロヘキサン、ジフルオロプロピルシクロヘキサン、ジフルオロブチルシクロヘキサン、ジフルオロペンチルシクロヘキサン、ジフルオロヘキシルシクロヘキサン、ジフルオロジメチルシクロヘキサン、ジフルオロジエチルシクロヘキサン、ジフルオロジブチルシクロヘキサン、ジフルオロベンゼン、ジフルオロメチルベンゼン、ジフルオロエチルベンゼン、ジフルオロブチルベンゼン、ジフルオロペンチルベンゼン、ジフルオロヘキシルベンゼン、ジフルオロクチルベンゼン、ジフルオロビフェニル、ジフルオロターフェニル、ジフルオロジフェニルエタン、ジフルオロ(メチルフェニル)フェニルエタン、ジフルオロジメチルビフェニル、ジフルオロベンジルトルエン、ジフルオロナフタレン、ジフルオロメチルナフタレン、ジフルオロエチルナフタレン、ジフルオロブチルナフタレン及びこれらの構造異性体等が挙げられる。
化合物Gは、前記化合物A~Eの炭素原子の一部又は全部がケイ素原子に置換された化合物である。化合物Gの具体例としては、テトラエチルシラン、テトラブチルシラン、テトラヘキシルシラン、テトラシクロヘキシルシラン、テトラフェニルシラン、ジメチルジブチルシラン、ジメチルジシクロヘキシルシラン、ジメチルジフェニルシラン、ヘキサメチルシクロトリシロキサン、ヘキサエチルシクロトリシロキサン、ヘキサシクロヘキシルシクロトリシロキサン、トリメチルトリシクロヘキシルシクロトリシロキサン、トリメチルトリフェニルシクロトリシロキサン、ヘキサフェニルシクロトリシロキサン、オクタメチルシクロテトラシロキサン、オクタエチルシクロテトラシロキサン、オクタシクロヘキシルシクロテトラシロキサン、テトラメチルテトラシクロヘキシルシクロテトラシロキサン、テトラメチルテトラフェニルシクロテトラシロキサン、オクタフェニルシクロテトラシロキサン、オクタメチルトリシロキサン、デカメチルテトラシロキサン、テトラメチルテトラフェニルトリシロキサン、ペンタメチルペンタフェニルテトラシロキサン及びこれらの構造異性体等が挙げられる。これらの中でも、デカメチルテトラシロキサンが好ましく使用される。
本実施形態のイソシアネート組成物は、前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×102質量ppm以下の、ハロゲン化炭化水素に由来しないハロゲン原子を更に含有することができる。
「ハロゲン化炭化水素に由来しない」とは、ハロゲン化炭化水素を構成しているハロゲン原子は除かれることを意味する。
前記ハロゲン原子は、特に限定されないが、塩素及び/又は臭素が好ましく、塩素イオン、臭素イオン、加水分解性塩素化合物に含まれる塩素原子及び加水分解性臭素化合物に含まれる臭素原子から選択される、少なくとも1種であることが好ましい。なお、ハロゲン化炭化水素は、常温、常圧の条件下で加水分解性を有しない点で、加水分解性塩素化合物または加水分解性臭素化合物と区別される。加水分解性塩素化合物、加水分解性臭素化合物は、常温、常圧の条件下で加水分解性を有し、ハロゲンイオンを生じる。したがって、ハロゲン化炭化水素に由来しないハロゲン原子は、好ましくは、加水分解性塩素化合物、加水分解性臭素化合物、塩素イオン、臭素イオンである。
加水分解性塩素化合物としては、イソシアネート基に塩化水素が付加したカルバモイルクロリド化合物等が挙げられる。また、加水分解性臭素化合物としては、イソシアネート基に臭化水素が付加したカルバモイルブロミド化合物等が挙げられる。
本実施形態における硫酸エステルは、アルコールと硫酸のエステル結合により構成される化合物を指し、具体例としては、ベンゼンスルホン酸、ビニルスルホン酸、メタンスルホン酸、p-トルエンスルホン酸、モノメチル硫酸、モノエチル硫酸、モノn-プロピル硫酸等が挙げられる。また、硫酸であってもよい。
本実施形態におけるリン酸エステルは、リン酸とアルコールが脱水縮合したエステルを指し、リン酸モノエステル、リン酸ジエステル、リン酸トリエステルであってよい。具体的には、メチルリン酸、ジメチルリン酸、ブチルリン酸、ジブチルリン酸、イソデシルリン酸、ジイソデシルリン酸、2-エチルヘキシルリン酸、ジ-2-エチルヘキシルリン酸、ラウリルリン酸、ジラウリルリン酸、ステアリルリン酸、ジステアリルリン酸、ジオレイルリン酸、フェニルホスホン酸等が挙げられる。また、リン酸であってもよい。これらの中でも、炭素数1~15のアルキルリン酸が好ましい。また、リン酸であってもよい。
本実施形態のイソシアネート組成物の第1の態様は、3官能以上のイソシアネート化合物と、前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、前記イソシアネートと異なる化合物であって、芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物と、を含有する、イソシアネート組成物である。
芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物は、前記した、式(28)で表される化合物、炭酸誘導体(N-無置換カルバミン酸エステル、炭酸エステル、N-置換カルバミン酸エステル)、ゲル浸透クロマトグラフィーによる測定スペクトルにおいてイソシアネート10量体以上の領域にUV吸収を持つ化合物、イソシアヌレート基および/またはビウレット基を含有する化合物、又は式(1)で表される化合物である。
このような効果が発現する機構は明らかではないが、不飽和結合化合物が水や酸素等と選択的に作用することで、水や酸素に起因するイソシアネート化合物の変性反応を抑制することができるのではないかと推定している。また、炭素-酸素間の不飽和結合を有する化合物の場合、その効果を奏する傾向が大きくなる場合が多い。
また、イソシアヌレート基および/またはビウレット基を含有する化合物も好ましく使用される。
これらの中でも、前記の化合物C、化合物D、化合物Eのようなエーテル結合又はスルフィド結合を有する化合物は、条件によっては酸化物や過酸化物を生成する場合がある。熱的に安定であるという観点から、化合物A、B、C、D、E、Gが好ましく、化合物A、B、Gがより好ましい。また、不活性化合物は1種類を単独で用いてもよく、複数種類を混合して用いてもよい。
このような効果が発現する機構は明らかではないが、イソシアネート化合物は一般的に水や酸素を嫌うため、イソシアネート組成物は密閉したガラス容器や一斗缶やドラム缶等の保存容器中で貯蔵される。しかしながら、通常の貯蔵の場合では、外部からの漏れ込みや、イソシアネート組成物の保存容器への充填の際に水や酸素等がごく微量混入し、この水や酸素の作用によってイソシアネート組成物の望まない高粘度化やゲル成分の発生を惹起すると推定される。これに対して、本実施形態のイソシアネート組成物では、微量共存する一部の不活性化合物が保存容器内で気化し、保存容器の気相部分に気相成分として存在することで、微量共存する水や酸素の影響を抑制しているのではないかと推測していて、前記した不飽和結合を有する化合物と相まって、さらに好適な効果を奏する。
したがって、イソシアネートの安定性をより改善するためにはハロゲン原子の含有量を多くすることが好ましいが、一方で、ハロゲン原子の含有量が多すぎると、該ハロゲン原子に起因する着色を生じて、例えば、塗料原料として使用した場合に外観を損ねる場合がある。このため、本実施形態のイソシアネート組成物におけるハロゲン原子の含有量は、イソシアネート化合物を基準として、1.0質量ppm以上1.0×102質量ppm以下であり、含有量の範囲の下限は、3.0質量ppm以上であることが好ましく、5.0質量ppm以上であることがより好ましく、含有量の範囲の上限は、5.0×101質量ppm以下であることが更に好ましい。
前記第1の態様と同じ構成についてはその説明を省略することがある。
このような効果は、微量共存する一部の不活性化合物が保存容器内で気化し、気相成分として微量に存在することで、微量共存する水や酸素により惹起される高粘度化やゲル成分の発生を抑制することにより奏されると推測される。
したがって、イソシアネートの安定性をより改善するためにはハロゲン原子の含有量を多くすることが好ましいが、一方で、ハロゲン原子の含有量が多すぎると、該ハロゲン原子に起因する着色を生じて、例えば、塗料原料として使用した場合に外観を損ねる場合がある。このため、本実施形態のイソシアネート組成物におけるハロゲン原子の含有量は、イソシアネート化合物を基準として、1.0質量ppm以上1.0×103質量ppm以下であり、含有量の範囲の下限は、3.0質量ppm以上であることが好ましく、5.0質量ppm以上であることがより好ましく、含有量の範囲の上限は、5.0×101質量ppm以下であることが好ましい。
前記第1又は第2の態様と同じ構成についてはその説明を省略することがある。
このような効果は、不飽和結合化合物が水や酸素等と選択的に作用することで、水や酸素に起因するイソシアネート化合物の変性反応を抑制することで奏される推定される。また、炭素-酸素間の不飽和結合を有する化合物の場合、その効果を奏する傾向が大きくなる場合が多い。
イソシアネート化合物の変性反応を抑制するためには不飽和結合化合物の含有量を多くすることが好ましいが、一方で、不飽和結合化合物の含有量が多すぎると、前記したような不飽和結合に起因する着色を生じて使用時の外観を損ねる場合がある。このため、本実施の形態における不飽和結合化合物の含有量は、イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下であり、含有量の範囲の下限は、3.0質量ppm以上であることが好ましく、5.0質量ppm以上であることがより好ましく、10質量ppm以上であることが更に好ましく、含有量の範囲の上限は、5.0×103質量ppm以下であることが好ましく、3.0×103質量ppm以下であることがより好ましく、1.0×103質量ppm以下であることが更に好ましい。
このような効果は、微量共存する一部の不活性化合物が保存容器内で気化し、気相成分として存在することで、微量共存する水や酸素の影響を抑制し、高粘度化やゲル成分の発生を抑制することにより奏されると推測される。
したがって、イソシアネートの安定性をより改善するためにはハロゲン原子の含有量を多くすることが好ましいが、一方で、ハロゲン原子の含有量が多すぎると、該ハロゲン原子に起因する着色を生じて、例えば、塗料原料として使用した場合に外観を損ねる場合がある。このため、本実施形態のイソシアネート組成物におけるハロゲン原子の含有量は、イソシアネート化合物を基準として、1.0質量ppm以上1.0×102質量ppm以下であり、含有量の範囲の下限は、3.0質量ppm以上であることが好ましく、5.0質量ppm以上であることがより好ましく、含有量の範囲の上限は、5.0×101質量ppm以下であることが更に好ましい。
本実施形態のイソシアネート組成物は、イソシアネート化合物と、不飽和結合を有する化合物、不活性化合物、ハロゲン化炭化水素に由来しないハロゲン原子、硫酸、硫酸エステル、リン酸、リン酸エステルを適宜混合することによって製造することができる。
イソシアネート化合物は、公知の方法を用いて製造することができる。例えば、対応する有機第1アミンとホスゲンとを反応させて、塩化水素を脱離させることでイソシアネート化合物を製造することができる。有機第1アミンとホスゲンとの反応は、溶媒中であっても気相での反応であってもよい。
溶剤としては、使用するイソシアネート化合物に不活性で、且つ原料のイソシアネート化合物及び生成する重合体を溶解する溶剤が選択される。具体的には、溶剤として、酢酸エチル、酢酸ブチル、酢酸アミル等の酢酸エステル類;ベンゼン、トルエン、キシレン、モノクロルベンゼン等の芳香族炭化水素類などを単独又は混合して用いることができる。
ビウレット基を含有する化合物は、ビウレット化剤として、例えば、水、1価の第3級アルコール、蟻酸、硫化水素、有機第1級モノアミン、有機第1級ジアミン等を用い、反応温度を70℃~200℃の範囲とし、10分~24時間反応させ、反応終了後、未反応のポリイソシアネートや溶媒を、例えば薄膜蒸留法や溶剤抽出法等の処理により、イソシアネート重合体を含む組成物から分離して製造することができる。ビウレット化反応の際に、後述する<イソシアネート重合体の製造方法>と同様の溶剤を用いてもよい。
1実施形態において、本発明は、上述したイソシアネート組成物に含有される前記イソシアネート化合物を反応させる工程を含む、イソシアネート重合体の製造方法を提供する。以下、本実施形態の製造方法について説明する。なお、イソシアヌレート化反応について主に述べるが、後述するように、用いる触媒又は反応条件によって、イミノオキサジアジンジオン化反応及びウレトジオン化反応等の、公知の反応を用いることもできる。
(ii)トリアルキルヒドロキシアルキルアンモニウム(トリメチルヒドロキシプロピルアンモニウム、トリメチルヒドロキシエチルアンモニウム、トリエチルヒドロキシプロピルアンモニウム、トリエチルヒドロキシエチルアンモニウム等)のヒドロキシド又は有機酸塩(例えば、酢酸塩、酪酸塩、デカン酸塩等の塩)。
(iii)酢酸、カプリン酸、オクチル酸、ミリスチン酸等のアルキルカルボン酸の金属塩(例えば、スズ塩、亜鉛塩、鉛塩、ナトリウム塩、カリウム塩等)。
(iv)ナトリウム、カリウム等の金属アルコキシド。
(v)アミノシリル基含有化合物(例えば、ヘキサメチルジジラサン等)。
(vi)トリブチルホスフィン等の燐系化合物。
(vii)フッ素化合物又はポリフッ化水素化合物(例えば、テトラメチルアンモニウムフルオリド水和物、テトラエチルアンモニウムフルオリド等のテトラアルキルアンモニウムフルオリド等)。
R22=CR’-C(=O)O- (40)
R23-CR’2-C(=O)O- (41)
前記式(40)及び(41)中、R22及びR23は各々独立に炭素原子数1~30のパーフルオロアルキル基を表し、R’は各々独立に水素原子、炭素原子数1~20のアルキル基及び芳香族基からなる群より選ばれる基を表す。R22、R23及びR’はヘテロ原子を含有していてもよい。
式(40)、(41)において、R22及びR23は、各々独立に、直鎖状、分岐状若しくは環状の飽和パーフルオロアルキル基又は不飽和パーフルオロアルキル基であってもよい。
この場合のヒドロキシ基含有化合物とは、炭素、水素及び酸素のみで形成されている1分子中にヒドロキシ基を1個又は2個有する化合物が好ましい。更に好ましくは、ヒドロキシ基を1個のみ有する化合物である。ヒドロキシ基1個を有する化合物の具体例としては、メチルアルコール、エチルアルコール、プロピルアルコール、ブチルアルコール、ペンチルアルコール、ヘキシルアルコール、ヘプチルアルコール、オクチルアルコール、ノニルアルコールなどが例示され、ヒドロキシ基2個を有する化合物としては、エチレングリコール、1,3-ブタンジオール、1,4-ブタンジオール、ネオペンチルグリコール、2-エチルヘキサンジオール等が例示され、2種以上を併用することもできる。
上述した製造方法は、イソシアネート化合物を重合して得られるイソシアネート重合体の製造に好適である。イソシアネート重合体は、下記式(A)又は(B)で示される単位と、下記式(2)~(8)で表される単位のうち少なくとも1つ以上の単位とを有する。なお、イソシアネート重合体を構成する窒素原子は炭素原子と結合している。
前記式(6)又は式(8)において、R4は、イソシアネート重合体を製造する際に用いる化合物に依存し、例えば、アルコールを使用する場合は前記アルコールからヒドロキシ基(OH基)を除いた残基である場合が多い。
上述した製造方法により得られた各種イソシアネート重合体を含む組成物を用いて、公知の方法で、イソシアネート重合体のイソシアネート基の一部または全てをブロック剤で封鎖し、ブロックイソシアネート重合体を製造することもできる。
また、水分散性を向上させる目的のため、前記方法により得られた各種イソシアネート重合体のイソシアネート基の一部を、公知の方法によって活性水素含有親水性化合物で変性した、親水性基変性イソシアネート重合体の組成物を得ることもできる。
また、水系1液の塗料、コーティング剤用架橋剤として使用する場合には、上述した製造方法により得られたイソシアネート重合体にブロック剤と活性水素含有親水性化合物をそれぞれ反応させてもよい。
1実施形態において、本発明は、2官能以上のイソシアネート化合物の貯蔵方法を提供する。本実施形態の貯蔵方法は、2官能以上のイソシアネート化合物に、前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、前記イソシアネートと異なる化合物であって、芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物、硫酸及び/又は硫酸エステル、及び/又は、リン酸及び/又はリン酸エステルを含有させる工程を備える。
以下、実施例により本発明をより具体的に説明するが、本発明は実施例に限定されるものではない。本実施例で記載される「%」及び「ppm」は「質量%」及び「質量ppm」を各々意味する。
NCO含有率(NCO%)は、測定試料中のイソシアネート基を過剰の2Nアミンで中和した後、1N塩酸による逆滴定によって質量%として求めた。
GPCの測定方法は以下の通りであった。
使用機器:HLC-8120(東ソー社製)
使用カラム:TSK GEL SuperH1000、TSK GEL SuperH2000、TSK GEL SuperH3000(いずれも東ソー社製)
試料濃度:5wt/vol%(試料50mgを1mLのテトラヒドロフラン(THF)に溶解させた)
キャリア:THF
検出方法:視差屈折計
流出量:0.6mL/分
カラム温度:30℃
検量線の作成には、分子量1,000~20,000のポリスチレンを用いた。
LCの測定方法は以下の通りであった。
使用機器:HLC-8120(東ソー社製)
使用カラム:TskgelODS-5(東ソー社製)
キャリア:アセトニトリル/水=50/50(vol)
検出方法:UV
流出量:1.0mL/分
カラム温度:40℃
カラム:内径0.32mm、長さ30m、液相膜厚1.0μm(J&W Scientific社製DB-1)
カラム温度:初期温度50℃、その後10℃/分で昇温、最終温度300℃(15分間保持)
注入口温度:300℃
検出器温度:300℃
検出器:水素炎イオン化検出器
キャリアガス:ヘリウム
キャリアガス流量(カラム):1.2mL/分
装置:JNM-A400 FT-NMRシステム(日本電子(株)社製)
分析サンプル:サンプル溶液を約0.3g秤量し、重クロロホルムまたは重ジメチルスルホキシドを約0.7gと内部標準物質としてテトラメチルスズを0.05g加えて均一に混合した溶液をNMR分析サンプルとした。
ハーゼンメーターにて測定して得られた数値とした。
燃焼前処理装置のサンプルボードに、秤量した試料を乗せ、サンプルボードを燃焼部に移動さえて、自動燃焼装置で燃焼させて、ガス化した成分を吸収液に吸収させた。吸収液をイオンクロマトグラフ装置に注入して目的成分を定量した。
燃焼前処理装置:自動燃焼装置AQF-100(三菱アナリティック社製)
炉温度:Inret 900℃、Outlet 1000℃
ガス流量:Ar/O2 400mL/分、O2 200mL/分
イオンクロマトグラフ:ICS-1500(DIONEX社製)
ガードカラムAG12A
分離カラム:AS12A
サプレッサー:ASRS-300 サプレッサー電流50mA
溶離液:2.7mM Na2CO3、0.3mM NaHCO3
多段蒸留塔(規則充填物蒸留塔、不規則充填物蒸留塔、棚段蒸留塔から選択)に供給する。蒸留塔の塔頂部での圧力をコントロール(絶対圧)し、蒸留に必要な熱量はリボイラーより供給する。必要に応じて、窒素、アルゴン、ヘリウム等の不活性ガスを同伴させる。塔内の温度分布が安定したのち、塔頂部より高さ方向で下に具備するサイドカットラインより留分を抜き出す。得られた留分を分析する。
流下薄膜式分子蒸留機(例えば柴田科学株式会社製 MS-300型)に被精製イソシアネート液を供給し、気化させた組成物成分を冷却器面で捕らえ、回収器に抜き出す。必要に応じて、窒素、アルゴン、ヘリウム等の不活性ガスを同伴させる。
フォーリングフィルム型蒸発器に、熱媒ジャケットまたはヒーターで蒸留に必要な熱量を供給し、該フォーリングフィルム型蒸発器上部から被精製イソシアネート組成物を供給し、向流または併流で気相ガスを抜き出す。必要に応じて、窒素、アルゴン、ヘリウム等の不活性ガスを同伴させる。
・イソシアネート組成物の調製
1,3,6-トリアミノヘキサン200gをo-ジクロロベンゼン1000gと混合し、130℃に加熱しながら、ホスゲンガスを12時間吹き込んだ。さらに、窒素ガスを吹き込みことで脱ホスゲンを行い、o-ジクロロベンゼンを、1kPa、120℃で留去し、粗1,3,6-トリイソシアナトヘキサン(TTI)190gを得た(純度90%)。得られた1,3,6-トリイソシアナトヘキサンを用いて、流下薄膜式分子蒸留機(柴田科学社製 MS-300型)により、ジャケット温度160℃、圧力0.5kPaで蒸留精製し1,3,6-トリイソシアナトヘキサンを得た。ここに炭酸メチルフェニルをイソシアネートに対して13ppmとなるように加えてイソシアネート組成物を調製した。なお、GCで測定した該組成物中の1,3,6-トリイソシアナトヘキサンの含有量は98.7質量%であり、該組成物は1,3,6-トリイソシアナトヘキサンと炭酸メチルフェニルからなる混合物であった。APHAは10であった。
上記で得られたイソシアネート組成物300gを、500mLのSUS製貯蔵容器に入れ、窒素置換して貯蔵し、日本国岡山県倉敷市児島地区の貯蔵環境で300日間貯蔵した。貯蔵期間終了後、GPCにて分子量を測定したところ、1,3,6-トリイソシアナトヘキサンを表すピーク(ピーク1と呼称する)よりも高分子量側に見られるピーク(ピーク2と呼称する)は、ピーク1に対して10%程度の面積であった。また、APHAは20であった。
・イソシアネート組成物の調製
実施例1と同様の方法で、1,3,6-トリイソシアナトヘキサンを得た後に、ジブチルリン酸をイソシアネートに対して7ppmとなるように加えてイソシアネート組成物を調製した。なお、GCで測定した該組成物中の1,3,6-トリイソシアナトヘキサンの含有量は97質量%で、APHAは21であった。
上で調製したイソシアネート組成物を、実施例1と同様の方法で貯蔵した。その結果を表1に示す。
下記式(40)で表される化合物を100g(321mmol)とフェノール90.6g(969mmol)を窒素雰囲気下100℃で加熱し反応させた。液体クロマトグラフィーにて反応物を分析し、フェノール残量を確認したところ検出下限界以下であった。当該反応物を、本実施の形態の式(1)又は式(33)で表される化合物として使用した。
・イソシアネート組成物の調製
上記式(40)で表される化合物100gと上記合成例B1で得た化合物9gを混合し、イソシアネート組成物を調製した。式(1)又は式(33)で表される化合物の含有濃度は、イソシアネート化合物に対する量で算出し、90ppmであった。ここに、炭酸ジメチルとペンタデカンを、それぞれ、イソシアネート化合物に対して14ppm、1700ppmとなるように加えてイソシアネート組成物を調製した。
・イソシアネート組成物の貯蔵
上で調製したイソシアネート組成物を、実施例1と同様の方法で貯蔵した。その結果を表1に示す。
下記式(44)で表される化合物を100g(495mmol)と1-ブタノール73.4g(990mmol)を窒素雰囲気下100℃で加熱し反応させた。液体クロマトグラフィーにて反応物を分析し、ブタノール残量を確認したところ検出下限界以下であった。当該反応物を、本実施の形態の式(1)又は式(33)で表される化合物として使用した。
・イソシアネート組成物の調製
上記式(44)で表される化合物55gと上記合成例B2で得た化合物1.5mgを混合し、イソシアネート組成物を調製した。式(1)又は式(33)で表される化合物の含有濃度は、イソシアネート化合物に対する量で算出し、3ppmであった。
・イソシアネート組成物の貯蔵
上で調製したイソシアネート組成物を、実施例1と同様の方法で貯蔵した。その結果を表1に示す。
上記実施例1で1,3,6-トリアミノヘキサンの代わりに4-アミノメチルオクタン-1,8-ジアミンを使用した以外は、実施例1と同様の方法をおこない、1,8-ジイソシアナト-4-イソシアナトメチルオクタン(以下、TTIと称する場合がある)を製造した。
下記式(45)で表されるチタン触媒10.5mg(4.6×10-2mmol)とTTIを窒素雰囲気下24時間、25℃で反応させ、得られた反応物は、図1に示すように、ゲル浸透クロマトグラフィーによる測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物であった。
図1において、横軸はゲル浸透クロマトグラフの保持時間、縦軸はUV検出器(波長254nm)の吸収を表す。TTI10量体と記載のある保持時間はTTI10量体に相当する分子量の保持時間を表し、TTIと記載のある保持時間はTTIに相当する分子量の保持時間を表す。合成例B3で得られたゲル浸透クロマトグラフィーによる測定スペクトルにおいてイソシアネート10量体以上の領域にUV吸収を持つ化合物は、図1のゲル浸透クロマトグラフの保持時間8.778分にピークを呈する化合物である。
・イソシアネート組成物の調製
TTI500gと上記合成例B3で得た化合物7.5mgを混合し、イソシアネート組成物を調製した。イソシアネート10量体以上の領域にUV吸収を持つ化合物の含有濃度は、イソシアネート化合物に対する量で算出し、15ppmであった。
・イソシアネート組成物の貯蔵
上で調製したイソシアネート組成物を、実施例1と同様の方法で貯蔵した。その結果を表1に示す。
・イソシアネート組成物の調製
実施例1と同様の方法で得られた精製TTI液にジブチルリン酸、ヘキサメチレンジイソシアネートのウレトジオン、イソシアヌレートの混合物であるデュラネート(旭化成社製TLA-100)を、イソシアネート化合物の総質量に対し、それぞれ20ppmとなるよう添加した。
・イソシアネート組成物の貯蔵
上で調製したイソシアネート組成物を、実施例1と同様の方法で貯蔵した。その結果を表1に示す。
対応する原料を用いて『原料アミン』及び安定剤の含有量を表に記載のとおり変更したこと以外は、実施例1と同様の方法で得られたイソシアネートを用いた。精製例A1~A3のいずれかの方法を用いてイソシアネートを精製した後、該イソシアネートを用いてイソシアネート組成物を調製し、実施例1と同様の方法でイソシアネート組成物の貯蔵をおこなった。その結果を下記表に示す。比較例1、3、5、7、9、11、13、15、17では貯蔵後のイソシアネートにゲルが発生しGPC測定を実施できなかった。
下記表中、組成物に含まれる化合物の含有量は、イソシアネート化合物に対する含有量を表す。
・イソシアネート重合体の合成
温度計、撹拌機、窒素シール管を備えたガラス製四つ口フラスコに、上記実施例1の貯蔵後のイソシアネート組成物100gを入れ、フラスコ内の空気を窒素で置換し撹拌しながら70℃に加熱した。反応液の屈折率測定により、イソシアネートの転化率が20%になるまで触媒(テトラメチルアンモニウムヒドロキシド)を徐々に添加し、20%になった時点で85%リン酸水溶液を0.5g添加して反応を停止した。
反応後、反応液を濾過し、流下薄膜式分子蒸留機を用いて、1回目160℃(0.5Pa)、2回目180℃(0.5Pa)で未反応のイソシアネートを除去し、イソシアネートの重合体を得た。得られたイソシアネート重合体のFT-IR測定、1H NMR測定等の結果、イソシアヌレート構造(前記式(2)で表される構造)とイソシアネート末端構造(前記式(A)、(B)で表される構造)を有し、平均してイソシアネート3.5量体であった。
上記転化率は、屈折率計(商品名:RA-520 京都電子工業株式会社製)を用い、反応液を試料として、30℃の屈折率の変化を測定し、屈折率の変化から決定される。
イソシアヌレート重合体とポリエステルポリオール(Nuplex Resin製の商品名Setal166)をイソシアネート基/ヒドロキシ基の当量割合が1.0になるように配合し、イソシアヌレート重合体とポリオールを加えた固形分質量が50%になるように、酢酸エチル/トルエン/酢酸ブチル/キシレン/プロピレングリコールモノメチルエーテルアセテート(質量比30/30/20/15/5)の混合液を加え、塗料溶液を得た。その塗料溶液を白エナメル塗板に乾燥後膜厚40μmになるようにアプリケーター塗装し、20℃、湿度63%の条件で1週間塗膜養生を行った後、その塗板について耐候性を評価した。耐候性評価は、デューパネルウェザーメーター(スガ試験機製)を用いた。評価条件は、JIS D0205に従い、照射照度30W/m2、パネル温度60℃、照射時間と結露時間は4時間ごとのサイクル運転で行った。暴露時間が1200時間となった時点の光沢保持率は80%以上であった。
攪拌器、温度系、冷却管及びFT-IR用プローブ(メトラートレド社製、React-IR、AgXプローブ)を取り付けた四ツ口フラスコの内部を窒素置換し、上記実施例2で貯蔵した後のイソシアネート組成物120gと、3価アルコール及びε-カプロラクトンから誘導されるポリエステルポリオール「プラクセル305」(ダイセル化学社の商品名)130gとを入れ、撹拌しながら130℃で加熱した。FT-IRにてウレタン基の生成量を確認しながら反応をおこなった。
続いて、2-エチルヘキサン酸ジルコニルの20%オクタノール溶液を0.5g添加しアロファネート化反応をおこなった。反応液の屈折率の上昇が0.0051となった時点で、ピロリン酸の固形分10%2-エチル-1-ヘキサノール溶液(太平化学産業製、商品名「リン酸(105%)」を2-エチル-1-ヘキサノールで希釈したもの)を加え、反応を停止した。
反応液を濾過後、流下膜式薄膜蒸発機を用いて、180℃、0.3kPaで蒸留をおこない、残渣を回収した。この残渣を更に、薄膜蒸留装置を用いて、160℃、0.3kPaで蒸留し、イソシアネート重合体を得た。
得られたイソシアネート重合体を用いて、実施例C1と同じ方法でイソシアネート重合体の耐候性評価をおこなった。暴露時間が1200時間となった時点の光沢保持率は80%以上であった。
温度計、撹拌機、および窒素シール管と500mL四ツ口ガラスフラスコからなる反応装置にTTIを400gと、実施例1の組成物200gを計量し、反応装置窒素で置換し、65℃に加温した。その後、2-エチルヘキサノール140gを添加し10分間攪拌をおこなった。その後、テトラブチルアンモニウムの酢酸塩の5%イソブタノール溶液50gを60分間かけて添加した。反応中は、65±2℃となるように温度調整をおこなった。反応停止剤として85%リン酸水溶液5gを加え100℃に昇温し、100℃到達後1時間撹拌を続けた。反応液は無色透明の液体であった。この反応液を細孔サイズ1μmのメンブレンフィルターで濾過して、反応残渣を分離した後、薄膜蒸留装置により未反応のTTIを留去し、ポリイソシアネート組成物を得た。得られたポリイソシアネート組成物はほぼ無色透明であった。
得られたイソシアネート重合体のFT-IR測定、1H NMR等の結果、イソシアヌレート構造(前記式(2)で表される構造)とアロファネート構造(前記式(6)で表される構造)、ウレタン基(前記式(8)の構造でR4は2-エチルヘキシル基)、イソシアネート末端構造(前記式(A)、(B)で表される構造)を有し、平均してイソシアネート3.3量体であった。
Claims (11)
- 3官能以上のイソシアネート化合物と、
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、前記イソシアネートと異なる化合物であって、芳香環を構成する不飽和結合以外の不飽和結合を少なくとも1つ有する化合物、と、
を含有する、イソシアネート組成物。 - 前記不飽和結合を少なくとも1つ有する化合物が、ゲル浸透クロマトグラフィーによる測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物である、請求項1に記載のイソシアネート組成物。
- 前記不飽和結合を少なくとも1つ有する化合物が、イソシアヌレート基および/またはビウレット基を含有する化合物である、請求項1に記載のイソシアネート組成物。
- 前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、炭化水素化合物、エーテル化合物、スルフィド化合物、ハロゲン化炭化水素化合物、含ケイ素炭化水素化合物、含ケイ素エーテル化合物及び含ケイ素スルフィド化合物からなる群より選ばれる少なくとも1種の不活性化合物であって、芳香環を構成する不飽和結合以外に炭素-炭素間の不飽和結合及び炭素-酸素間の二重結合を有しない不活性化合物、及び/又は、
1.0質量ppm以上1.0×103質量ppm以下の、硫酸、及び/又は、硫酸エステル、及び/又は、
1.0質量ppm以上1.0×103質量ppm以下の、リン酸、及び/又は、リン酸エステルと、を更に含有する、請求項1~4のいずれか一項に記載のイソシアネート組成物。 - 前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×102質量ppm以下の、ハロゲン化炭化水素化合物に由来しないハロゲン原子、を更に含有する、請求項1~5のいずれか一項に記載のイソシアネート組成物。
- イソシアネート組成物全体を基準として、前記イソシアネート化合物を97質量%以上含有する、請求項1~6のいずれか一項に記載のイソシアネート組成物。
- 3官能以上のイソシアネート化合物と、
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×103質量ppm以下の、硫酸、及び/又は、硫酸エステル、及び/又は、
1.0質量ppm以上1.0×103質量ppm以下の、リン酸、及び/又は、リン酸エステルと、を含有する、イソシアネート組成物。 - 2官能以上のイソシアネート化合物と、
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、ゲル浸透クロマトグラフィーによる測定スペクトルにおいて、イソシアネート10量体以上の領域にUV吸収を持つ化合物、及び/又は、
前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×104質量ppm以下の、イソシアヌレート基および/またはビウレット基を含有する化合物、を含有する、イソシアネート組成物。 - 前記イソシアネート化合物を基準として、1.0質量ppm以上1.0×103質量ppm以下の、硫酸及び/又は硫酸エステル、及び/又は、1.0質量ppm以上1.0×103質量ppm以下の、リン酸及び/又はリン酸エステルを含有する請求項9に記載のイソシアネート組成物。
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| JP2020023664A (ja) * | 2018-08-07 | 2020-02-13 | 旭化成株式会社 | ポリイソシアネート組成物、塗料組成物及び塗膜 |
| JP2022118791A (ja) * | 2021-02-03 | 2022-08-16 | 三井化学株式会社 | キシリレンジイソシアネートモノマー組成物、および、キシリレンジイソシアネート変性体組成物 |
| WO2022270550A1 (ja) * | 2021-06-22 | 2022-12-29 | 三井化学株式会社 | ポリイソシアネート組成物、重合性組成物、樹脂、成形体、光学素子およびレンズ |
| WO2024253203A1 (ja) | 2023-06-08 | 2024-12-12 | 旭化成株式会社 | ポリイソシアネート組成物及びイソシアネート化合物の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11548975B2 (en) | 2016-10-14 | 2023-01-10 | Asahi Kasei Kabushiki Kaisha | Isocyanate composition and method for producing isocyanate polymer |
| EP3527593B1 (en) * | 2016-10-14 | 2025-07-23 | Asahi Kasei Kabushiki Kaisha | Isocyanate composition, method for producing isocyanate composition, and method for producing isocyanate polymer |
| CN111393328A (zh) * | 2020-04-07 | 2020-07-10 | 西安近代化学研究所 | 一种废旧tnt转化再利用工艺 |
| CN112851908B (zh) * | 2021-01-14 | 2023-03-03 | 万华化学集团股份有限公司 | 含有脲二酮基团的多异氰酸酯的制备方法及存储稳定的二异氰酸酯单体 |
| CN115490829B (zh) * | 2021-06-17 | 2025-04-01 | 万华化学集团股份有限公司 | 一种异氰酸酯组合物及其制备方法、一种光学材料 |
| CN117820171A (zh) * | 2024-01-09 | 2024-04-05 | 中国融通资源开发集团有限公司 | 一种三氨基甲苯光气化合成甲苯三异氰酸酯的工艺方法 |
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2017
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- 2017-10-13 TW TW106135385A patent/TW201829516A/zh unknown
- 2017-10-13 JP JP2018545088A patent/JP6705905B2/ja active Active
- 2017-10-13 BR BR112019007400A patent/BR112019007400A2/pt active IP Right Grant
- 2017-10-13 CN CN201780062575.8A patent/CN109803992B/zh active Active
- 2017-10-13 WO PCT/JP2017/037275 patent/WO2018070539A1/ja not_active Ceased
- 2017-10-13 BR BR122022025788-7A patent/BR122022025788B1/pt active IP Right Grant
- 2017-10-13 EP EP17859947.8A patent/EP3527600B1/en active Active
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2020
- 2020-05-13 JP JP2020084680A patent/JP7107986B2/ja active Active
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2022
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020023664A (ja) * | 2018-08-07 | 2020-02-13 | 旭化成株式会社 | ポリイソシアネート組成物、塗料組成物及び塗膜 |
| JP2022118791A (ja) * | 2021-02-03 | 2022-08-16 | 三井化学株式会社 | キシリレンジイソシアネートモノマー組成物、および、キシリレンジイソシアネート変性体組成物 |
| WO2022270550A1 (ja) * | 2021-06-22 | 2022-12-29 | 三井化学株式会社 | ポリイソシアネート組成物、重合性組成物、樹脂、成形体、光学素子およびレンズ |
| JPWO2022270550A1 (ja) * | 2021-06-22 | 2022-12-29 | ||
| JP7634087B2 (ja) | 2021-06-22 | 2025-02-20 | 三井化学株式会社 | ポリイソシアネート組成物、重合性組成物、樹脂、成形体、光学素子およびレンズ |
| WO2024253203A1 (ja) | 2023-06-08 | 2024-12-12 | 旭化成株式会社 | ポリイソシアネート組成物及びイソシアネート化合物の製造方法 |
| EP4725972A1 (en) | 2023-06-08 | 2026-04-15 | Asahi Kasei Kabushiki Kaisha | Polyisocyanate composition and method for producing isocyanate compound |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3527600B1 (en) | 2025-07-09 |
| TW201829516A (zh) | 2018-08-16 |
| CN109803992B (zh) | 2022-05-24 |
| JPWO2018070539A1 (ja) | 2019-06-24 |
| US20230114799A1 (en) | 2023-04-13 |
| CN109803992A (zh) | 2019-05-24 |
| JP6705905B2 (ja) | 2020-06-03 |
| BR112019007400A2 (pt) | 2019-07-02 |
| EP3527600A1 (en) | 2019-08-21 |
| EP3527600A4 (en) | 2019-10-16 |
| US11548975B2 (en) | 2023-01-10 |
| US20190225739A1 (en) | 2019-07-25 |
| JP7107986B2 (ja) | 2022-07-27 |
| JP2020125357A (ja) | 2020-08-20 |
| BR122022025788B1 (pt) | 2024-01-09 |
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