WO2008018601A1 - Composition de catalyseur pour la production d'une résine de polyuréthane et procédé de production de la résine de polyuréthane - Google Patents
Composition de catalyseur pour la production d'une résine de polyuréthane et procédé de production de la résine de polyuréthane Download PDFInfo
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- WO2008018601A1 WO2008018601A1 PCT/JP2007/065775 JP2007065775W WO2008018601A1 WO 2008018601 A1 WO2008018601 A1 WO 2008018601A1 JP 2007065775 W JP2007065775 W JP 2007065775W WO 2008018601 A1 WO2008018601 A1 WO 2008018601A1
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
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- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
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- C08G18/1875—Catalysts containing secondary or tertiary amines or salts thereof containing ammonium salts or mixtures of secondary of tertiary amines and acids
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
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- C08G18/08—Processes
- C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
- C08G18/092—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to isocyanurate groups
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- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2009—Heterocyclic amines; Salts thereof containing one heterocyclic ring
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- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2045—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings
- C08G18/2063—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings having two nitrogen atoms in the condensed ring system
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/20—Heterocyclic amines; Salts thereof
- C08G18/2045—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings
- C08G18/2072—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings having at least three nitrogen atoms in the condensed ring system
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- C08G18/22—Catalysts containing metal compounds
- C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
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- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
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- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0066—≥ 150kg/m3
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- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate groups
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- C08G2410/00—Soles
Definitions
- the present invention relates to a catalyst composition for producing a polyurethane resin and a method for producing the polyurethane resin.
- the present invention relates to a catalyst composition for producing a polyurethane resin and a method for producing a polyurethane resin using the same.
- Polyurethane resins are usually reacted by injecting a polyol solution obtained by mixing polyol and polyisocyanate with a catalyst and various additives such as a chain extender into a mold. It is manufactured by.
- Polyurethane resin is widely used as a soft foam used for automotive seat cushions, mattresses, furniture, etc., semi-rigid foams such as automotive instrument panels, headrests, armrests, etc., electric refrigerators, building materials, automotive interior materials, etc. Has been.
- polyurethane resin has advantages such as superior wear resistance and less fatigue when walking compared to rubber soles and ethylene acetate butyl copolymer (EVA) soles, and its manufacturing process is Compared to shoe soles made of these materials, it is widely used for shoe soles because it has less burden on the process.
- EVA ethylene acetate butyl copolymer
- the formation reaction of a polyurethane resin is mainly a urethane group formation reaction (resinification reaction) by reaction of polyol and isocyanate and / or isocyanate prepolymer, and urea group formation by reaction of isocyanate and / or isocyanate prepolymer. It consists of a reaction (bubble reaction).
- the formation reaction of the polyurethane resin for the shoe sole also forms a crosslinking reaction by a reaction between the crosslinking agent and the urethane group or a reaction between the crosslinking agent and the urea group. Touch
- the medium has a great influence on the curing speed, fluidity, moldability, dimensional stability, physical properties, etc. of the polyurethane resin as well as these reaction rates.
- a reaction between a polyisocyanate and a polyol (resinification reaction) and / or a reaction between a polyisocyanate and water (a foaming reaction) is a special feature.
- tertiary amine catalysts are excellent catalysts for producing polyurethane resins (for example, see Patent Document 1).
- Patent Document 1 when the above tertiary amine compound is used in the production of a polyurethane resin for shoe soles, it is desired to solve this problem, which makes it difficult to shorten the curing time while delaying the start time of the reaction.
- Patent Document 3 discloses the use of an N, N′-bis (hydroxyalkyl) quaternary ammonium salt of triethylenediamine
- Patent Document 4 discloses triethylenediamine.
- the use of quaternary hydroxyalkyl bases of min, imidazole, and salts thereof is disclosed.
- these quaternary ammonium salt catalysts are used in the production of polyurethane resins to obtain retardation, there is a problem that the curability of the resulting polyurethane resins deteriorates and the final hardness also decreases / deteriorates. A solution was desired.
- metal salts particularly alkali metal carboxylates
- polyisocyanuration (polyisocyanate trimerization) reaction S a polyurethane resin for shoe soles.
- Organotin-based catalysts such as dibutyltin dilaurate are used in formulations using polyether polyols developed for the purpose of improving the hydrolyzability of urethane shoe sole resins. It is often used as an improvement in curability. However, the demand for alternative catalysts has become stronger than the toxicity problem of organotin.
- 1,8 diazabicyclo [5.4.0] undecene 7 which is a thermosensitive catalyst, is also known to be used for the formation of polyurethane resins, similar to alkali metal carboxylates.
- 1,8-diazabicyclo [5.4.0] undecene 7 is prone to hydrolysis, so it is necessary to suppress hydrolysis using a blocking agent such as phenol. Phenolic is used because of its high toxicity. It was limited, and there was a strong demand for alternative catalysts.
- Patent Document 1 Japanese Patent Application Laid-Open No. 62-233102
- Patent Document 2 JP 2000-95831 A
- Patent Document 3 Japanese Patent Laid-Open No. 61-207420
- Patent Document 4 US Patent No. 3010963
- Patent Document 5 Japanese Unexamined Patent Publication No. 2005-206800
- the present invention has been made in view of the background art described above, and an object of the present invention is a catalyst composition that does not impair the physical properties of the polyurethane resin and the storage stability of the raw material compounded liquid, and in particular, A catalyst composition which is required in the production of a polyurethane resin for shoe soles, and which can produce a polyurethane resin excellent in moldability and at the same time excellent in moldability by suppressing initial reactivity, and A method for producing polyurethane resin using the same is proposed. It is to provide.
- the present inventors have found that at least tritylenediamine and a polyisocyanurate-forming catalyst having a specific structure and / or a high-temperature-sensitive amine having a specific structure.
- the catalyst composition for producing a polyurethane resin containing the compound it is possible to mold the polyurethane resin with good curability while suppressing the initial reactivity, and the polyurethane resin having excellent moldability and fluidity.
- the present invention has the following gist.
- R 1 to R are linear or branched saturated or unsaturated hydrocarbon groups having carbon atoms;
- any two of R to R form a heterocycle via an oxygen atom or a nitrogen atom.
- R represents carbon number;! ⁇ 18 alkyl group or aromatic hydrocarbon
- X represents an organic acid group having an acid dissociation constant (pKa) of 4.8 or less.
- a catalyst composition for producing a polyurethane resin is provided.
- Quaternary ammonium salt compound strength represented by the general formula (1) Tetramethylammonium acetate, tetramethylammonium acetate, tetraethylammonium acetate, tetraethylammonium Acid salt, tetrapropylammonium acetate, tetrapropylammonium acetate, tetraptylammonium acetate, tetraptylammonium acetate, methyltriethylammonium acetate, methyltriethylammonium Salt, methyl tripropylammonium acetate, methyltripropylammonium acetate, methyltributylammonium acetate, methyltributylammonium acetate, trimethyldodecylammonium acetate, and trimethyldodecylammonium acetate
- N, N, N, N′ tetramethylethylenediamine, ⁇ , ⁇ , ⁇ , monotetramethinopropylene diamine, ⁇ , ⁇ , ⁇ ', ⁇ ", ⁇ ", ⁇ ,, Pentamethyljetylene triamine, ⁇ , ⁇ , ⁇ ', ⁇ ", ⁇ " -Pentamethyl mono (3-aminopropynole) ethylenediamine, ⁇ , ⁇ , ⁇ ', ⁇ ", ⁇ " -pentamethyldipropylenetriamine, Bis (2-dimethylaminoethyl) etherole bisdimethylaminojetyl ether, and ⁇ , ⁇ ', ⁇ "Tris (3-dimethylaminopropyl) monohexahydro-s-triazine selected from one or two
- the catalyst composition for producing a polyurethane resin according to any one of the above [1] to [1]
- the catalyst composition of the present invention By using the catalyst composition of the present invention, it is possible to suppress the initial reactivity without impairing the physical properties of the polyurethane resin and the storage stability of the raw material compounded liquid, and at the same time, it is excellent in moldability and at the same time is excellent in curability. Resins can be produced safely with high productivity.
- the polyurethane resin obtained by the method of the present invention can be used as a polyurethane resin for a shoe sole that is physically inferior to a conventionally produced polyurethane resin for a shoe sole.
- One pentamethyldipropylene triamine, ⁇ , ⁇ , ⁇ ', ⁇ ", ⁇ ” Pentamethyl mono (3-aminopropynole) ethylenediamine, ⁇ , ⁇ ,', ⁇ ", ⁇ ,
- the catalyst composition for producing the polyurethane resin of the present invention comprises:
- R 1 to R are linear or branched saturated or unsaturated hydrocarbon groups having carbon atoms;
- any two of R 1 to R 2 may have a heterocycle via an oxygen atom or a nitrogen atom.
- R represents carbon number;! ⁇ 18 alkyl group or aromatic hydrocarbon
- X represents an organic acid group having an acid dissociation constant (pKa) of 4.8 or less.
- (A) The mixing ratio of (B) polyisocyanurate catalyst and / or (C) high temperature sensitive catalyst to triethylenediamine is 2 wt% to 60 wt%
- the alkali metal salt of the carboxylic acid used as the polyisocyanuration catalyst is not particularly limited, but specifically, lithium 2-ethylhexanoate , Sodium 2-ethylhexanoate, potassium 2-ethylhexanoate, lithium acetate, sodium acetate, potassium acetate, lithium naphthenate, sodium naphthenate, potassium naphthenate, lithium octoate, sodium octoate, potassium octoate And lithium stearate, sodium stearate, potassium stearate, lithium neodecanoate, sodium neodecanoate, potassium neodecanoate, lithium oleate, sodium oleate, potassium oleate and the like.
- alkali metal salts of carboxylic acid 2-ethyl hexyl hexanoate, potassium 2-ethyl hexanoate, sodium acetate, and potassium acetate are particularly preferred because of their high catalytic activity and industrially advantageous use.
- the alkali metal salt of the carboxylic acid used as a polyisocyanuration catalyst can be easily produced by a method known in the literature.
- potassium 2-ethylhexanoate can be obtained by adding 2-ethylhexanoic acid to an aqueous solution of potassium hydroxide and performing ion exchange.
- the quaternary ammonium salt compound represented by the above general formula (1) used as the (B) polyisocyanurate-forming catalyst is not particularly limited.
- the primary ammonium groups include tetramethylammonium, methyltriethylammonium, ethyltrimethylammonium, butyltrimethylammonium, and hexyltrimethyl.
- X is an organic acid having an acid dissociation constant (pKa) of 4.8 or less.
- the organic acid having an acid dissociation constant (pKa) of 4.8 or less is not particularly limited, but examples thereof include aliphatic saturated monocarboxylic acids, aliphatic unsaturated monocarboxylic acids, aliphatic polycarboxylic acids, and acidic acids. Examples include acids having an OH group and organic acids such as aromatic carboxylic acids.
- isovaleric acid formic acid, glyconoreic acid, acetic acid, black mouth acetic acid, cyanoacetic acid, dichloroacetic acid, trichloromouth acetic acid, trimethylacetic acid, fluoroacetic acid, bromoacetic acid, methoxyacetic acid, mercaptoacetic acid, odoacetic acid Lactic acid, pyruvic acid, 2-chloropropionic acid, 3-clopropionic acid, levulinic acid, acrylic acid, crotonic acid, buracetic acid, methacrylic acid, adipic acid, azelaic acid, oxalate acetic acid, Cinnamic acid, dartaric acid, succinic acid, oxalic acid, d-tartaric acid, tartaric acid (meso), suberic acid, sebacic acid, fumaric acid, maleic acid, malonic acid, ascorbic acid, reductic acid, reductone, o-anisic acid
- quaternary ammonium salt compound represented by the general formula (1) examples include tetramethylammonium acetate, tetramethylammonium acetate, tetraethylammonium acetate, tetraethylammonium.
- the quaternary ammonium salt compound used as a polyisocyanurate-forming catalyst can be easily produced by methods known in the literature.
- a quaternary ammonium carbonate is obtained by reacting the corresponding tertiary amine with a carbonic acid diester, followed by an anion exchange reaction with an organic acid, and removing carbon dioxide and alcohol as a by-product to remove the quaternary ammonium carbonate.
- Ammonium organic acid salt is obtained.
- the production conditions are a temperature of 50 to 150 ° C. and an autoclave for 1 to 20 hours. It is preferable to use a reaction solvent in order to complete the reaction quickly and with a good yield.
- the reaction solvent is not particularly limited, but methanol, ethanol and the like are preferable.
- the amount of the solvent is not particularly limited.
- the (C) high temperature sensitive catalyst used as the catalyst composition of the present invention includes polyurethane resin.
- the catalyst is not particularly limited as long as it is a catalyst whose activity becomes very large as the temperature rises as the reaction progresses because the activity is small at the initial time point.
- the ratio of (A) triisocyanurate to (B) polyisocyanurate-forming catalyst and / or (C) high-temperature catalyst is extremely important.
- the present inventors have already found that the mixing ratio can be carried out in the range of 2 wt% to 20 wt%. By subsequent examination, the mixing ratio is in the range of 2 wt% to 60 wt%. Possible I found out.
- the mixing ratio of the catalyst is less than 2% by weight, it is difficult to suppress the initial reactivity, that is, to obtain a sufficiently long cream time. Especially in the production of a polyurethane resin for a shoe sole, The curability cannot be improved.
- the mixing ratio of (B) polyisocyanurated catalyst and / or (C) high temperature sensitive catalyst to (A) triethylenediamine is more preferably in the range of 5 to 50% by weight.
- a catalyst such as 1-triazine
- the catalyst composition of the present invention may require the use of a solvent. That is, in the formation of a shoe sole polyurethane resin, the catalyst is used by being mixed with raw materials such as polyols, foam stabilizers and auxiliary agents in advance. In this case, the catalyst must be in a liquid state. If the catalyst is in a solid state, or crystals are partially deposited, it cannot be uniformly dispersed in the raw material liquid, This may cause clogging in the total liquid and clogging of the machine head, resulting in damage to the machine.
- triethylenediamine is a crystal, that is, a solid, and in the production of a polyurethane resin, it is necessary to make it into a liquid state using a solvent.
- the solvent used in the catalyst composition of the present invention is not particularly limited.
- water ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, 1,4 butanediol, 1,6 —Hexanediol and mixtures thereof.
- ethylene glycol and 1,4-butanediol are particularly preferred.
- the amount of the solvent used in the catalyst composition of the present invention is not particularly limited.
- the amount is preferably 5 times by weight or less based on the total amount of 1S catalyst. If it exceeds 5 times the weight, it may affect the physical properties of the form, which is not preferable for economic reasons.
- the process for producing the polyurethane resin of the present invention comprises a polyol, a polyisocyanate and / or an isocyanate-modified prepolymer, the catalyst composition of the present invention, a foaming agent, and, if necessary, other auxiliary agents. It is produced by reacting in the presence.
- the amount of the catalyst composition of the present invention used is generally 0.0;! To 5 parts by weight, preferably 0. 0, based on 100 parts by weight of the polyol used. ! ⁇ 2 parts by weight. If the amount is less than 01 parts by weight, the reactivity of the polyurethane resin deteriorates, and sufficient hardenability may not be obtained. On the other hand, when the amount exceeds 5 parts by weight, the reactivity of the polyurethane resin becomes extremely fast, and not only a sufficient pot life and cream time cannot be obtained during casting, but also the moldability and fluidity of the foam deteriorate. May occur.
- the catalyst composition used in the method for producing a polyurethane of the present invention is not limited to the present invention.
- Other catalysts can be used in combination without departing from the scope.
- Examples of other catalysts include conventionally known tertiary amines in addition to the above-mentioned additive catalysts.
- the tertiary amines used as other catalysts are not particularly limited as long as they are conventionally known.
- 1-methylimidazole, 1,2-dimethylimidazole, 1 isobutyl-2-methylimidazole, and 1-dimethylaminopropylimidazole have improved the curability of polyurethane resins for shoe soles using polyether polyols. It is particularly preferable because of improvement.
- examples of the polyol used include conventionally known polyether polyols, polyester polyols, polymer polyols, and flame retardant polyols such as phosphorus-containing polyols and halogen-containing polyols.
- examples include phenol polyols such as base polyols. These polyols can be used alone or in combination as appropriate.
- polyether polyols examples include ethylene glycol and propylene glycol.
- Polyols such as glycerin, glycerin, trimethylolpropane and pentaerythritol, aliphatic amines such as ethylenediamine, aromatic amines such as toluenediamine, alkanolamines such as ethanolamine and diethanolamine, etc.
- Examples include compounds produced by addition reaction of alkylene oxides typified by ethylene oxide and propylene oxide, starting from a compound having at least two active hydrogen groups such as loin and the like [for example, Gunter Oertel, “Polyuretha ne Handbook J (1985) Hanser Publishers (Germany), ⁇ ⁇ 42-53”.
- polyester polyol examples include those obtained from the reaction of dibasic acid such as adipic acid and Daricol, DMT residue, polyester polyol starting from phthalic anhydride, waste from the production of nylon, , Waste of pentaerythritol, waste of phthalate-based polyester, polyester polyol derived from processing waste, etc. [For example, Keiji Iwata, "Polyurethane Resin Handbook” (1987 first edition) Nikkan Kogyo Shimbun, p. 116- ⁇ . 117].
- polymer polyol examples include a polymer polyol obtained by reacting the polyether polyol and an ethylenically unsaturated monomer (for example, butadiene, acrylonitrile, styrene, etc.) in the presence of a radical polymerization catalyst.
- an ethylenically unsaturated monomer for example, butadiene, acrylonitrile, styrene, etc.
- Examples of the flame retardant polyol include a phosphorus-containing polyol obtained by adding alkylene oxide to a phosphoric acid compound, a halogen-containing polyol obtained by ring-opening polymerization of epichlorohydrin or trichlorobutylene oxide, Examples thereof include phenol polyols such as Mannich base polyols.
- polyester polyols and polyether polyols are preferably used in the production of a shoe sole polyurethane resin.
- polyester polyol those having a molecular weight of 1000 to 2500 obtained from the reaction of adipic acid and dalicols are suitable.
- polyether polyol propylene glycol and glycerin are used as initiators, and after propylene oxide is reacted, ethylene oxide is further reacted at the terminal, and the molecular weight is 1000 to 6000.
- the hydroxyl value of these polyols is in the range of 20 to 1000 mg KO H / g.
- polyester polyol is 50 ⁇ ; 1000mgKOH / g
- polyether polyols with a preferred range 20 to 800 mg KOH / g is preferred.
- the isocyanate prepolymer used in the production method of the present invention refers to an NCO-terminated intermediate obtained by partially modifying polyisocyanate with a polyol.
- the polyisocyanate that forms the isocyanate prepolymer is not particularly limited as long as it is a conventionally known polyisocyanate, and examples thereof include toluene diisocyanate (TDI) and diphenylmethane diisocyanate (MDI).
- Aromatic polyisocyanates such as naphthylene diisocyanate and xylylene diisocyanate, aliphatic polyisocyanates such as hexamethylene diisocyanate, dicyclohexyl diisocyanate, isophorone diisocyanate And alicyclic polyisocyanates such as these and mixtures thereof.
- MDI and TDI are preferred, and these may be used in combination.
- the polyol that modifies the polyisocyanate is not particularly limited as long as it is a conventionally known polyol, but the same polyols as those described above can be used.
- polyester polyols examples thereof include conventionally known polyether polyols, polyester polyols, polymer polyols, flame retardant polyols such as phosphorus-containing polyols and halogen-containing polyols, and phenolic polyols such as Mannich base polyols.
- polyether polyols examples thereof include conventionally known polyether polyols, polyester polyols, polymer polyols, flame retardant polyols such as phosphorus-containing polyols and halogen-containing polyols, and phenolic polyols such as Mannich base polyols.
- these polyols can be used alone or in combination as appropriate.
- the above-described polyester polyol and polyether polyol are preferably used for the isocyanate prepolymer for the polyurethane resin for shoe soles.
- the polyisocyanate used in the production method of the present invention may be a conventionally known polyisocyanate, and is not particularly limited.
- TDI toluene diisocyanate
- diphenate Aromatic polyisocyanates such as aromatic polyisocyanates such as hexamethylene diisocyanate, alicyclic polyisocyanates such as dicyclohexylenoresiocyanate, isophorone diisocyanate, etc. And mixtures thereof.
- MDI, 2, 4-TDI, and 2, 6-TDI are preferred, and these may be used in combination.
- the ratio is not particularly limited, but in terms of isocyanate index (isocyanate group / active hydrogen group capable of reacting with isocyanate group), a range of generally 80 to 120 is preferable, more preferably 90 to The range is 110.
- the blowing agent used in the production method of the present invention is not particularly limited as long as it is a conventionally known one.
- HCFCs such as 1,1-dichloro-1fluoroethane (HCFC-141b), 1 , 1, 1, 3, 3 Pentafunoleov. Ronon (HFC—245fa), 1, 1, 1,
- HFCs such as lonone (HFC-227ea), hydrated fluoroethers such as HFE-254pc, low-boiling hydrocarbons, water and the like can be mentioned, and these can be used alone or as a mixture.
- hydrocarbons having a boiling point of usually 30 to 70 ° C are usually used. Specific examples thereof include propane, butane, pentane, cyclopentane, hexane, and these. A mixture is mentioned.
- the preferred foaming agent is water.
- the amount of the foaming agent used is determined according to the desired density and physical properties of the foam, and thus is not particularly limited. Usually, it is selected to be 100 to 800 kg / m 3 , preferably 200 to 600 kg / m 3 .
- a surfactant can be used as a foam stabilizer.
- the surfactant used include conventionally known organosilicone surfactants, and specifically, nonionic interfaces such as organosiloxane polyoxyalkylene copolymers and silicone grease copolymers.
- An activator or a mixture thereof is exemplified. The amount used is usually in the range of 0.;! To 10 parts by weight per 100 parts by weight of polyol.
- a pigment can be used if necessary.
- the pigment is not particularly limited as long as it can be used for molding a polyurethane resin for shoe soles.
- Organic pigments can be mentioned.
- the amount of these pigments used is polyol 100 Usually in the range of 0.;! To 20 parts by weight.
- a crosslinking agent or a chain extender can be used if necessary.
- the crosslinking agent or chain extender include low molecular weight polyhydric alcohols such as ethylene glycol, 1,4 butanediol, and dariserine, low molecular weight amine polyols such as diethanolamine, and triethanolamine, or Examples include polyamines such as ethylenediamine, xylylenediamine, and methyl bisorthochloraniline. Of these, ethylene glycol and 1,4 butanediol are preferably used for the production of polyurethane resin for shoe soles.
- the amount of the crosslinking agent or chain extender used is usually in the range of 0.;! To 30 parts by weight with respect to 100 parts by weight of the polyol.
- a flame retardant can be used if necessary.
- the flame retardant used include reactive flame retardants such as propoxylated phosphoric acid and propoxylated dibutyl pyrophosphate obtained by addition reaction of phosphoric acid and alkylene oxide, tricres Triphosphates such as diphosphate, halogen-containing tertiary phosphates such as tris (2 chloroethyl) phosphate, tris (2 chloropropyl) phosphate, dibromopropanol, dibutane moneopentinoleglycanol, tetrabromobi Halogen-containing organic compounds such as Sphenol A, and inorganic compounds such as antimony oxide, magnesium carbonate, calcium carbonate, and aluminum phosphate.
- the amount is not particularly limited, and is usually in the range of 4 to 20 parts by weight with respect to 100 parts by weight of polyol depending on the required flame retardancy.
- a colorant In the production method of the present invention, a colorant, an antioxidant, and other conventionally known additives can be used as necessary.
- the types and amounts of these additives are within the normal range of additives used.
- the production method of the present invention is carried out by rapidly mixing and stirring the mixed solution in which the raw materials are mixed, and then injecting the mixture into a suitable container or mold to perform foam molding.
- Mixing and stirring may be performed using a general stirrer or a dedicated polyurethane resin production machine. High-pressure and low-pressure equipment can be used as the polyurethane resin production machine.
- the measurement method for each measurement item is as follows.
- Cream time Measure the time when polyurethane resin starts to react (foam rise) visually.
- Tack-free time Measures the time when the polyurethane resin surface is no longer sticky.
- Rise time Measure the time when the rising of the foam stops.
- the core density was calculated by accurately measuring the dimensions and weight of the polyurethane resin produced in an aluminum mold with an inner dimension of 15 x 10 x 1 cm.
- Hardness of polyurethane resin Demold 2 minutes after injecting the agitated and mixed urethane raw material into an aluminum mold. Immediately after demolding (after 2 minutes) and after 5 days, the resin hardness was measured with a Shore C hardness meter.
- Production of quaternary ammonium salt compound (catalyst A) (production of a solution of tetraethylammonium acetate 50%, ethylene glycol 50%):
- a tetramethylammonium acetate 50% solution and an ethylene glycol 50% solution were prepared in the same manner as in Production Example 1 except that a tetramethylammonium hydroxide aqueous solution (1 mol) was used instead of the tetraethylammonium hydroxide aqueous solution. Obtained.
- a solution of 50% tetramethylammonium formate and 50% ethylene glycol was obtained in the same manner as in Production Example 1 except that formic acid (1 mol) was used instead of acetic acid.
- a stirred autoclave is charged with triethylamine (1 mol), dimethyl carbonate (1.5 mol) and methanol (2 mol) as a solvent, and reacted at a reaction temperature of 110 ° C for 12 hours to react with methanol of methyltriethylammonium carbonate.
- a solution was obtained.
- Acetic acid (1 mol) was added to this, and ethylene glycol was added as a solvent to a prescribed concentration. Then, by removing the by-product carbon dioxide gas and methanol, methyltriethyl ammonium acetate 50% An ethylene glycol 50% solution was obtained.
- the weight ratio of raw material mixture A and isocyanate prepolymer is determined so that the specified isocyanate index (100) is obtained.
- the liquid temperature of raw material mixture A is 40 ° C, and the temperature of isocyanate prepolymer is Adjusted to 30 ° C. A predetermined amount of these two liquids was put into a 200 ml cup, stirred at 3000 rpm for 8 seconds using a lab mixer, poured into a 300 ml cup and reacted to produce a polyurethane resin for shoe soles.
- CT cream time
- TFT tac free time
- RT rise time
- Example 1 Except for the blending of the catalyst, the same operation as in Example 1 was carried out to produce a shoe sole polyurethane resin, and the initial reactivity, resin hardness, resin physical properties, and post-storage reactivity were measured. These results are also shown in Table 1.
- a raw material mixture A was prepared and a polyisocyanate was prepared. Except for the blending of the catalyst, the same operation as in Example 1 was carried out to produce a shoe sole polyurethane resin, and the initial reactivity, resin hardness, resin physical properties, and post-storage reactivity were measured. These results are also shown in Table 2.
- Examples 5 to 10 using the catalyst system of the present invention as the catalyst were compared with Comparative Example 1 using only the conventional catalyst triethylenediamine.
- the cream time can be taken longer than 2 seconds, and it is possible to mold polyurethane resin for shoe soles with excellent moldability. Further, the hardness and physical properties of the obtained polyurethane resin are also sufficiently suitable. Further, in Examples 5 to 10 using the catalyst system of the present invention, the raw material mixture solution after storage with a low RT change rate after storage was at a practical level.
- alkali metal salts of carboxylic acids that are part of the catalyst composition of the present invention and N, N, N'-trimethylaminoethylethanolamine, 2,4,6-tris (dimethylamino)
- Comparative Examples 16 to 20 using only (methinole) phenol, 1,8-diazabicyclo [5.4.0] undecene-7 although the cream time is long, the resin hardness of the resulting resin is poor. This greatly reduces the problem that it is difficult to remove the mold, and it is difficult to efficiently mold the polyurethane resin for the shoe sole.
- Example 3 Except for the blending of the catalyst, the same operation as in Example 1 was carried out to produce a shoe sole polyurethane resin, and the initial reactivity, resin hardness, resin physical properties, and post-storage reactivity were measured. These results are also shown in Table 3.
- quaternary ammonium salt compound or N, ⁇ ', N which is a part of the catalyst composition of the present invention
- Example 2 Except for the blending of the catalyst, the same operation as in Example 1 was carried out to produce a shoe sole polyurethane resin, and the initial reactivity, resin hardness, resin physical properties, and post-storage reactivity were measured. These results are also shown in Table 4.
- Comparative Example 3940 using a quaternary ammonium salt compound other than the present invention is unsuitable for storage with a slow RT after storage, and lacks practicality. Also, it is not possible to obtain a polyurethane resin for shoe soles with good physical properties with low hardness and good productivity.
- cream tie was used in some of the catalyst system of the present invention and using an excess of ⁇ , ⁇ ', ⁇ "-tris (3-dimethylaminopropyl) monohexahydros-triazine. Although extension of the system and improvement of fluidity can be achieved, the curability, hardness, and physical properties of the resulting polyurethane resin are reduced.
- Example 2 Except for the blending of the catalyst, the same operation as in Example 1 was performed to produce a shoe sole polyurethane resin, and the initial reactivity, resin hardness, fluidity, resin physical properties, and post-storage reactivity were measured.
- Example 2;! 26 using the catalyst system of the present invention as a catalyst cream tie was compared with Comparative Example 31 using only triethylenediamine, which is a conventional catalyst.
- the force S can be used to mold a polyurethane resin for shoe soles that can be taken longer than 2 seconds and has excellent moldability.
- the hardness and physical properties of the obtained polyurethane resin are sufficiently suitable, and the fluidity of the polyurethane resin is greatly improved.
- Example 2;! -26 using the catalyst system of the present invention the raw material mixture solution after storage with a low RT change rate after storage is at a practical level.
- alkali metal salts of carboxylic acids that are part of the catalyst composition of the present invention N, N, N 'trimethylaminoethylethanolamine, 2, 4, 6 tris (dimethylaminomethylol)
- Comparison using only phenol and 1,8 diazabicyclo [5 ⁇ 4.0] undecene-7 In Examples 45 to 49, although the cream time is long, the resulting polyurethane resin has poor curability and the resin hardness is greatly reduced. Therefore, there arises a problem that it becomes difficult to remove the mold, and it is difficult to efficiently mold the polyurethane resin for the shoe sole.
- the block agent is not blocked 1,8 diazabicyclo [5. 4. 0] undecene
- the raw material compounded liquid A was prepared and a polyisocyanate was prepared.
- Example 2 Except for the blending of the catalyst, the same operation as in Example 1 was performed to produce a shoe sole polyurethane resin, and the initial reactivity, resin hardness, fluidity, resin physical properties, and post-storage reactivity were measured.
- Example 27 does not use ⁇ , ⁇ ', ⁇ "-tris (3 dimethylaminopropyl) monohexahydro s triazine, although the catalyst system of the present invention is partially used.
- 32 it is possible to mold a polyurethane resin with good curability while extending the cream time.
- Example 33 38 using a part of the catalyst system of the present invention but using an excess of ⁇ , ⁇ ', ⁇ "-tris (3 dimethylaminopropyl) oxahydro-s triazine, Although the extension of the ream time and the improvement of fluidity can be achieved, the curability, hardness and physical properties of the resulting polyurethane resin have been reduced.
- Comparative Example 63 combined with an organotin catalyst deteriorates the force fluidity that can extend the cream time by 2 seconds. There is also a toxicity problem due to the use of organotin. Comparative Example 64 using an imidazole catalyst alone and Comparative Example 65 using triethylenediamine and an imidazole catalyst in combination have a problem in moldability because of a quick cream time.
- a polyurethane resin excellent in curability, moldability, and fluidity can be produced while suppressing the initial reactivity without impairing the physical properties of the polyurethane resin and the storage stability of the raw material mixture. It can be manufactured with good quality and safety, and is extremely useful in industry.
- the polyurethane resin obtained by the present invention is suitable for use in shoe soles and is extremely useful in industry.
- the entire contents of the specification, claims and abstract of the Japanese Patent Application No. 2006-220376 filed on August 11, 2006 are cited here as the disclosure of the specification of the present invention. Incorporated.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020097002733A KR101486600B1 (ko) | 2006-08-11 | 2007-08-10 | 폴리우레탄 수지 제조용 촉매 조성물 및 폴리우레탄 수지의제조 방법 |
| EP07792418.1A EP2050775B1 (en) | 2006-08-11 | 2007-08-10 | Catalyst composition for polyurethane resin production and method for producing polyurethane resin |
| US12/377,004 US8877825B2 (en) | 2006-08-11 | 2007-08-10 | Catalyst composition for production of polyurethane resin and method for producing polyurethane resin |
| CN200780029990XA CN101501092B (zh) | 2006-08-11 | 2007-08-10 | 用于制备聚氨酯树脂的催化剂组合物以及聚氨酯树脂的制备方法 |
| JP2008528908A JP5633109B2 (ja) | 2006-08-11 | 2007-08-10 | ポリウレタン樹脂製造用の触媒組成物及びポリウレタン樹脂の製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006220376 | 2006-08-11 | ||
| JP2006-220376 | 2006-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008018601A1 true WO2008018601A1 (fr) | 2008-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/065775 Ceased WO2008018601A1 (fr) | 2006-08-11 | 2007-08-10 | Composition de catalyseur pour la production d'une résine de polyuréthane et procédé de production de la résine de polyuréthane |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8877825B2 (ja) |
| EP (1) | EP2050775B1 (ja) |
| JP (1) | JP5633109B2 (ja) |
| KR (1) | KR101486600B1 (ja) |
| CN (1) | CN101501092B (ja) |
| TW (1) | TWI438213B (ja) |
| WO (1) | WO2008018601A1 (ja) |
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- 2007-08-10 CN CN200780029990XA patent/CN101501092B/zh active Active
- 2007-08-10 EP EP07792418.1A patent/EP2050775B1/en active Active
- 2007-08-10 KR KR1020097002733A patent/KR101486600B1/ko not_active Expired - Fee Related
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011051246A1 (de) | 2009-10-28 | 2011-05-05 | Bayer Materialscience Ag | Katalysatoren und ihre verwendung |
| WO2011095440A1 (de) | 2010-02-02 | 2011-08-11 | Bayer Materialscience Ag | Polyisocyanat-polyadditionsprodukte, ein verfahren zu ihrer herstellung und ihre verwendung |
| EP2465886A1 (de) | 2010-12-16 | 2012-06-20 | Bayer MaterialScience AG | Polyisocyanat-Polyadditionsprodukte, ein Verfahren zu ihrer Herstellung und ihre Verwendung |
| WO2012080226A1 (de) | 2010-12-16 | 2012-06-21 | Bayer Materialscience Ag | Polyisocyanat-polyadditionsprodukte, ein verfahren zu ihrer herstellung und ihre verwendung |
| US9403930B2 (en) | 2010-12-16 | 2016-08-02 | Covestro Deutschland Ag | Polyisocyanate polyaddition products, a process for preparation thereof and use thereof |
| JP2012214748A (ja) * | 2011-03-31 | 2012-11-08 | Sanyo Chem Ind Ltd | ポリウレタンインテグラルスキンフォームの製造方法 |
| WO2014042255A1 (ja) * | 2012-09-14 | 2014-03-20 | 東ソー株式会社 | 難燃性硬質ウレタンフォーム製造用組成物、及びそれを用いた難燃性硬質ウレタンフォームの製造方法 |
| JP2017197147A (ja) * | 2016-04-28 | 2017-11-02 | 株式会社ブリヂストン | タイヤ及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5633109B2 (ja) | 2014-12-03 |
| CN101501092B (zh) | 2011-09-28 |
| EP2050775B1 (en) | 2013-08-14 |
| TW200815489A (en) | 2008-04-01 |
| KR101486600B1 (ko) | 2015-01-26 |
| JPWO2008018601A1 (ja) | 2010-01-07 |
| CN101501092A (zh) | 2009-08-05 |
| US8877825B2 (en) | 2014-11-04 |
| US20100130629A1 (en) | 2010-05-27 |
| TWI438213B (zh) | 2014-05-21 |
| KR20090057216A (ko) | 2009-06-04 |
| EP2050775A4 (en) | 2009-09-23 |
| EP2050775A1 (en) | 2009-04-22 |
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