WO2017146134A1 - ウレタン樹脂組成物、及びそれを用いたウレタン樹脂成形物 - Google Patents
ウレタン樹脂組成物、及びそれを用いたウレタン樹脂成形物 Download PDFInfo
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- WO2017146134A1 WO2017146134A1 PCT/JP2017/006770 JP2017006770W WO2017146134A1 WO 2017146134 A1 WO2017146134 A1 WO 2017146134A1 JP 2017006770 W JP2017006770 W JP 2017006770W WO 2017146134 A1 WO2017146134 A1 WO 2017146134A1
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- Prior art keywords
- urethane resin
- polycarbonate polyol
- mass
- resin composition
- polyol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/44—Polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/006—Polymeric products of isocyanates or isothiocyanates with aldehydes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7812—Nitrogen containing -N-C=0 groups containing amide groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4202—Two or more polyesters of different physical or chemical nature
Definitions
- the present invention relates to a urethane resin composition and a urethane resin molded product using the same.
- Molded articles obtained using urethane resin compositions are currently used in various applications such as automobile parts, home appliance parts, packaging materials, leather-like sheets, printing rolls and the like.
- the molded product is required to have various characteristics corresponding to its application.
- the organic solvent type ink has been the mainstream so far, so that the surface of the molded product is dissolved, deformed, discolored, etc.
- a urethane elastomer containing a succinic polyester polyol and tolylene diisocyanate (for example, see Examples in Patent Document 1) is disclosed.
- the problem to be solved by the present invention is to provide a urethane resin composition capable of forming a urethane resin molded article having excellent solvent resistance and hydrolysis resistance.
- the present invention is a urethane resin composition containing a urethane resin that is a reaction product of a polyol (A) containing a polycarbonate polyol (a1) and a polyisocyanate (B), wherein the polycarbonate polyol (a1) is
- the present invention relates to a urethane resin composition characterized by using a hydroxy compound (C) containing a hydroxy compound (c1) represented by the following general formula (1) as a raw material.
- N in the general formula (1) is an integer of 1 to 7.
- the urethane resin composition of the present invention can form a urethane resin molded product having excellent solvent resistance and hydrolysis resistance, for example, automobile parts, home appliance parts, packaging materials, leather-like sheets, printing rolls, coater rolls. It can be suitably used for applications where solvent resistance and hydrolysis resistance are required.
- the urethane resin composition of the present invention is a urethane resin composition containing a urethane resin which is a reaction product of a polyol (A) containing a polycarbonate polyol (a1) and a polyisocyanate (B), and the polycarbonate polyol (a1). ) Is a hydroxy compound (C) containing a hydroxy compound (c1) represented by the following general formula (1) as a raw material.
- urethane resin a reaction product of a polyol (A) containing a polycarbonate polyol (a1) and a polyisocyanate (B) is used.
- polycarbonate polyol (a1) what is obtained by transesterifying the hydroxy compound (C) containing the hydroxy compound (c1) represented by following General formula (1) and a carbonate compound is used, for example. Can do. Moreover, the said polycarbonate polyol (a1) can use what was obtained using known manufacturing methods, such as what was obtained by making the said hydroxy compound (C) and phosgene react.
- the polycarbonate polyol (a1) preferably has a number average molecular weight in the range of 500 to 5000, more preferably in the range of 1000 to 4000.
- the number average molecular weight of the said polycarbonate polyol (a1) points out the value measured on condition of the following by gel permeation chromatography (GPC) method.
- Measuring device High-speed GPC device (“HLC-8220GPC” manufactured by Tosoh Corporation) Column: The following columns manufactured by Tosoh Corporation were connected in series. "TSKgel G5000" (7.8 mm ID x 30 cm) x 1 "TSKgel G4000” (7.8 mm ID x 30 cm) x 1 "TSKgel G3000” (7.8 mm ID x 30 cm) x 1 “TSKgel G2000” (7.8 mm ID ⁇ 30 cm) ⁇ 1 detector: RI (differential refractometer) Column temperature: 40 ° C Eluent: Tetrahydrofuran (THF) Flow rate: 1.0 mL / min Injection amount: 100 ⁇ L (tetrahydrofuran solution with a sample concentration of 0.4 mass%) Standard sample: A calibration curve was prepared using the following standard polystyrene.
- the content of the polycarbonate polyol (a1) is capable of forming a urethane resin molded product with even better solvent resistance and hydrolysis resistance, so that it is 40% by mass or more and 100% by mass or less in the polyol (A). It is preferable that it is 60 mass% or more and 99 mass% or less.
- hydroxy compound (C) a hydroxy compound (c1) represented by the following general formula (1) is used as an essential component.
- N in the general formula (1) is an integer of 1 to 7.
- Examples of the hydroxy compound (c1) include ethylene glycol, diethylene glycol, triethylene glycol, and polyethylene glycol.
- ethylene glycol, diethylene glycol, and triethylene glycol are preferable because a urethane resin molded product having much better solvent resistance and hydrolysis resistance can be obtained.
- these hydroxy compounds can be used alone or in combination of two or more.
- the content of the hydroxy compound (c1) is preferably 40% by mass or more and 100% by mass or less based on the total amount of the hydroxy compound (C) because a urethane resin molded product having excellent solvent resistance can be formed. More preferably, it is at least 99% by mass.
- the content of the diethylene glycol is preferably 40% by mass or more and 99% by mass or less in the hydroxy compound (C).
- hydroxy compound (c1) In addition to the hydroxy compound (c1), other hydroxy compounds can be used as necessary for the hydroxy compound (C).
- Examples of the other hydroxy compounds include propylene glycol, butanediol, pentanediol, hexanediol, and trimethylolpropane.
- trimethylolpropane is preferable because a urethane resin molded product having much better solvent resistance and hydrolysis resistance can be obtained.
- These hydroxy compounds can be used alone or in combination of two or more.
- Examples of the carbonate compound include dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, di-n-butyl carbonate, diisobutyl carbonate, ethyl-n-butyl carbonate, ethyl isobutyl carbonate, diphenyl carbonate, dibenzyl carbonate, ethylene carbonate, tricarbonate.
- dimethyl carbonate, ethyl methyl carbonate, diethyl carbonate, and diphenyl carbonate are preferable because a urethane resin molded product having excellent solvent resistance and hydrolysis resistance can be obtained.
- these carbonate compounds can be used alone or in combination of two or more.
- polystyrene resin in the present invention, other polyol (a2) may be used in combination with the polycarbonate polyol (a1) as long as the effects of the present invention are not impaired.
- polyol (a2) examples include polyester polyols, polyether polyols, and polyols other than the polycarbonate polyol (a1).
- polyester polyol examples include a polyester polyol obtained by reacting a low molecular weight polyol and a polycarboxylic acid; a polyester polyol obtained by a ring-opening polymerization reaction of a cyclic ester compound such as ⁇ -caprolactone; Examples include polyester polyols obtained by polymerization. These polyester polyols can be used alone or in combination of two or more.
- low molecular weight polyol examples include ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol, diethylene glycol, neopentyl glycol, 1,3-butanediol and the like having a molecular weight of about 50 to 300.
- Aliphatic polyols such as cyclohexane dimethanol, and polyols having an aromatic structure such as bisphenol A and bisphenol F.
- polycarboxylic acid examples include aliphatic polycarboxylic acids such as succinic acid, adipic acid, sebacic acid, and dodecanedicarboxylic acid; terephthalic acid, isophthalic acid, phthalic acid, and naphthalenedicarboxylic acid. And aromatic polycarboxylic acids such as anhydrides or esterified products thereof.
- polyether polyol examples include those obtained by addition polymerization of alkylene oxide using one or more compounds having two or more active hydrogen atoms as an initiator.
- the compound having two or more active hydrogen atoms include propylene glycol, trimethylene glycol, 1,3-butanediol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, glycerin, diester, and the like.
- examples include glycerin, trimethylolethane, trimethylolpropane, water, hexanetriol and the like.
- the alkylene oxide examples include propylene oxide, butylene oxide, styrene oxide, epichlorohydrin, and tetrahydrofuran. These polyether polyols can be used alone or in combination of two or more.
- polycarbonate polyol other than the polycarbonate polyol (a1) for example, those obtained by reacting the other hydroxy compound and the carbonate compound described above can be used.
- polyisocyanate (B) used in the production of the urethane resin examples include polyisocyanates having an aliphatic cyclic structure such as cyclohexane diisocyanate, dicyclohexylmethane diisocyanate, and isophorone diisocyanate; 4,4′-diphenylmethane diisocyanate, 2 , 4'-diphenylmethane diisocyanate, carbodiimide modified diphenylmethane diisocyanate, crude diphenylmethane diisocyanate, phenylene diisocyanate, tolylene diisocyanate, naphthalene diisocyanate, etc .; hexamethylene diisocyanate, lysine diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, etc.
- Aliphatic polyisocyanate And the like.
- 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate, carbodiimide-modified diphenylmethane diisocyanate, and crude diphenylmethane diisocyanate are preferable.
- these polyisocyanates (a2) can be used alone or in combination of two or more.
- the reaction between the polyol (A) and the polyisocyanate (B) is, for example, when the isocyanate group equivalent of the polyisocyanate (B) is represented by [NCO] and the hydroxyl equivalent of the polyol is represented by [OH].
- the equivalent ratio ([NCO] / [OH]) between the polyisocyanate (B) and the polyol (A) is preferably in the range of 0.5 to 2.5, preferably in the range of 0.7 to 1.1. It is more preferable to carry out with.
- the urethane resin composition of the present invention can form a urethane resin molded product having much better solvent resistance and hydrolysis resistance, in addition to the polyol (A) and the polyisocyanate (B), it is necessary. Depending on the chain extender can be used.
- chain extender examples include ethylene glycol, 1,2-propanediol, 1,3-butanediol, 1,4-butanediol, 2,3-butanediol, and 3-methyl-1,5-pentanediol.
- the urethane resin composition of the present invention may contain an additive as necessary.
- the additive include conventional plasticizers, fillers, pigments, dyes, stabilizers, flame retardants, and the like.
- Various known additives can be used as long as the effects of the present invention are not impaired.
- Examples of the urethane resin molded product of the present invention include those obtained by thermoforming the urethane resin composition.
- thermoforming examples include a method of injecting the uniformly mixed urethane resin composition into a sheet-like mold or a cylindrical mold and thermosetting.
- heat curing it is preferable to perform primary curing at 100 to 150 ° C. for 1 to 4 hours and then perform secondary curing at 90 to 130 ° C. for 10 to 20 hours.
- the urethane reaction of the urethane resin composition is completed after heat curing.
- the urethane resin molded product of the present invention is used in applications requiring solvent resistance and hydrolysis resistance, such as automobile parts, household appliance parts, packaging materials, leather-like sheets, printing rolls, coater rolls, printing squeegees, doctor blades, etc. Can be suitably used. Among these, it can be particularly suitably used as an elastic member for printing rolls, coater rolls, printing squeegees or doctor blades.
- Example 1 Production of urethane resin molded product (1)
- Formalin condensate of polycarbonate polyol (1) obtained in Synthesis Example 1 and methylene diphenyl diisocyanate (“Millionate MR-200” manufactured by Nippon Polyurethane Industry Co., Ltd.) at a blending ratio of NCO / OH 1.00 (molar ratio).
- Millionate MR-200 manufactured by Nippon Polyurethane Industry Co., Ltd.
- the mixture was stirred and poured into a cylindrical mold having a diameter of 4.0 cm and a thickness of 1.2 cm. These molds were primarily cured at 120 ° C. for 2 hours, and then secondarily cured at 110 ° C. for 17 hours to obtain a cylindrical urethane resin molded product (1).
- Example 2 Production of urethane resin molding (2)
- Formalin condensate of polycarbonate polyol (2) obtained in Synthesis Example 2 and methylene diphenyl diisocyanate (“Millionate MR-200” manufactured by Nippon Polyurethane Industry Co., Ltd.) at a blending ratio of NCO / OH 1.00 (molar ratio).
- Millionate MR-200 manufactured by Nippon Polyurethane Industry Co., Ltd.
- the mixture was stirred and poured into a cylindrical mold having a diameter of 4.0 cm and a thickness of 1.2 cm. These molds were primarily cured at 120 ° C. for 2 hours, and then secondarily cured at 110 ° C. for 17 hours to obtain a cylindrical urethane resin molded product (2).
- Example 3 Production of urethane resin molded product (3)
- BBP benzyl butyl phthalate
- Example 4 Production of urethane resin molded product (4)
- 100 parts by mass of the polycarbonate polyol (4) obtained in Synthesis Example 4 and 25 parts by mass of the plasticizer BBP were mixed, and a carbodiimide modified product of “4,4′-diphenylmethane diisocyanate” (“Coronate MX” manufactured by Nippon Polyurethane Industry Co., Ltd.)
- These molds were primarily cured at 120 ° C. for 2 hours, and then secondarily cured at 110 ° C. for 17 hours to obtain a cylindrical urethane resin molded product (4).
- Example 5 Production of urethane resin molded product (5)
- 100 parts by mass of the polycarbonate polyol (5) obtained in Synthesis Example 5 and 25 parts by mass of the plasticizer BBP are mixed, and a formalin condensate of methylene diphenyl diisocyanate (“Millionate MR-200” manufactured by Nippon Polyurethane Industry Co., Ltd.) is added to NCO / OH.
- the mixture was stirred at a blending ratio of 1.00 (molar ratio) and poured into a cylindrical mold having a diameter of 4.0 cm and a thickness of 1.2 cm. These molds were primarily cured at 120 ° C. for 2 hours, and then secondarily cured at 110 ° C. for 17 hours to obtain a cylindrical urethane resin molded product (5).
- Example 6 Production of urethane resin molded product (6)
- 100 parts by mass of the polycarbonate polyol (6) obtained in Synthesis Example 5 and 25 parts by mass of the plasticizer BBP are mixed, and a formalin condensate of methylene diphenyl diisocyanate (“Millionate MR-200” manufactured by Nippon Polyurethane Industry Co., Ltd.) is mixed with NCO / OH.
- the mixture was stirred at a blending ratio of 1.00 (molar ratio) and poured into a cylindrical mold having a diameter of 4.0 cm and a thickness of 1.2 cm. These molds were primarily cured at 120 ° C. for 2 hours, and then secondarily cured at 110 ° C. for 17 hours to obtain a cylindrical urethane resin molded product (6).
- Example 7 Production of urethane resin molded product (7)
- 100 parts by mass of the polycarbonate polyol (7) obtained in Synthesis Example 7 and 25 parts by mass of the plasticizer BBP are mixed, and a formalin condensate of methylene diphenyl diisocyanate (“Millionate MR-200” manufactured by Nippon Polyurethane Industry Co., Ltd.) is mixed with NCO / OH.
- the mixture was stirred at a blending ratio of 1.00 (molar ratio) and poured into a cylindrical mold having a diameter of 4.0 cm and a thickness of 1.2 cm. These molds were primarily cured at 120 ° C. for 2 hours, and then secondarily cured at 110 ° C. for 17 hours to obtain a cylindrical urethane resin molded product (7).
- Example 8 Production of urethane resin molded product (8)
- Example 9 Production of urethane resin molded product (9)
- 80 parts by mass of the polycarbonate polyol (1) obtained in Synthesis Example 1 and 20 parts by mass of a polyester polyol (“Polylite OD-X-2195” manufactured by DIC Corporation) are mixed to form a formalin condensate of methylene diphenyl diisocyanate (Nippon Polyurethane Industry).
- Example 10 Production of urethane resin molded product (10)
- 60 parts by mass of the polycarbonate polyol (1) obtained in Synthesis Example 1 and 40 parts by mass of a polyester polyol (“Polylite OD-X-2195” manufactured by DIC Corporation) are mixed, and carbodiimide modification of 4,4′-diphenylmethane diisocyanate is performed.
- Example 11 Production of urethane resin molding (11)
- Hardness retention (%) (JIS-A hardness after curing / JIS-A hardness before curing) ⁇ 100 ⁇ : Hardness retention is 70% or more ⁇ : Hardness retention is 50% or more and less than 70% ⁇ : Hardness retention is less than 50%
- Mass change rate (%) ((mass after immersion ⁇ mass before immersion) / (mass before immersion)) ⁇ 100 Evaluation of solvent resistance: (Toluene resistance) A: Mass change rate is less than 10% B: Mass change rate is 10% or more and less than 30% ⁇ : Mass change rate is 30% or more and less than 50% X: Mass change rate is 50% or more (MEK resistance) ⁇ : Mass change rate is less than 60% ⁇ : Mass change rate is 60% or more and less than 70% ⁇ : Mass change rate is 70% or more and less than 80% ⁇ : Mass change rate is 80% or more
- Comparative Example 1 is an example in which a urethane resin composition using polyester polyol as a polyol component instead of polycarbonate polyol is used.
- the solvent resistance is excellent, the hydrolysis resistance is remarkably insufficient. I was able to confirm.
- Comparative Example 2 is an example using a urethane resin composition using a polycarbonate polyol outside the scope of the present invention as a polyol component. Although excellent in hydrolysis resistance, it was confirmed that the solvent resistance was remarkably insufficient.
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- Organic Chemistry (AREA)
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- General Engineering & Computer Science (AREA)
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- Polyurethanes Or Polyureas (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A-500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A-2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A-5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F-1」
東ソー株式会社製「TSKgel 標準ポリスチレン F-2」
東ソー株式会社製「TSKgel 標準ポリスチレン F-4」
東ソー株式会社製「TSKgel 標準ポリスチレン F-10」
東ソー株式会社製「TSKgel 標準ポリスチレン F-20」
東ソー株式会社製「TSKgel 標準ポリスチレン F-40」
東ソー株式会社製「TSKgel 標準ポリスチレン F-80」
東ソー株式会社製「TSKgel 標準ポリスチレン F-128」
東ソー株式会社製「TSKgel 標準ポリスチレン F-288」
東ソー株式会社製「TSKgel 標準ポリスチレン F-550」
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ジエチレングリコール100質量部とジフェニルカーボネート193質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、200℃で5時間反応させ、次いで、減圧条件下で10時間反応させ、ポリカーボネートポリオール(1)を得た。このポリカーボネートポリオール(1)の水酸基値は32.0mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、エチレングリコール15質量部とジエチレングリコール50質量部とトリエチレングリコール35質量部とジフェニルカーボネート189質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、200℃で5時間反応させ、次いで、減圧条件下で10時間反応させ、ポリカーボネートポリオール(2)を得た。このポリカーボネートポリオール(2)の水酸基値は60.0mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ジエチレングリコール50質量部とポリエチレングリコール(日油株式会社製「PEG#200」)50質量部とジフェニルカーボネート140質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、200℃で5時間反応させ、次いで、減圧条件下で10時間反応させ、ポリカーボネートポリオール(3)を得た。このポリカーボネートポリオール(3)の水酸基値は58.7mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ジエチレングリコール97質量部とトリメチロールプロパン3質量部とジフェニルカーボネート193質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、200℃で5時間反応させ、次いで、減圧条件下で10時間反応させ、ポリカーボネートポリオール(4)を得た。このポリカーボネートポリオール(4)の水酸基値は35.4mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ジエチレングリコール50質量部とポリエチレングリコール(日油株式会社製「PEG#400」)50質量部とジフェニルカーボネート114質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、200℃で5時間反応させ、次いで、減圧条件下で10時間反応させ、ポリカーボネートポリオール(5)を得た。このポリカーボネートポリオール(5)の水酸基値は59.4mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ジエチレングリコール60質量部とブタンジオール40質量部とジフェニルカーボネート200質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、200℃で5時間反応させ、次いで、減圧条件下で10時間反応させ、ポリカーボネートポリオール(6)を得た。このポリカーボネートポリオール(6)の水酸基値は56.2mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ブタンジオール100質量部とジエチルカーボネート132質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、120℃で10時間反応させ、次いで190℃で2時間反応させたのち、減圧しながら10時間反応させ、ポリカーボネートポリオール(7)を得た。このポリカーボネートポリオール(7)の水酸基値は55.7mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ジエチレングリコール30質量部とブタンジオール70質量部とジエチルカーボネート125質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、120℃で10時間反応させ、次いで190℃で2時間反応させたのち、減圧しながら10時間反応させ、ポリカーボネートポリオール(8)を得た。このポリカーボネートポリオール(8)の水酸基値は56.5mgKOH/gであった。
温度計、攪拌機、不活性ガス導入口および還流冷却器を備えた四口フラスコに、ブタンジオール100質量部とジエチルカーボネート132質量部を仕込み、エステル化触媒としてテトライソプロピルチタネートを0.01重量%添加し、120℃で10時間反応させ、次いで190℃で2時間反応させたのち、減圧しながら10時間反応させ、ポリカーボネートポリオール(9)を得た。このポリカーボネートポリオール(9)の水酸基値は55.7mgKOH/gであった。
合成例1で得られたポリカーボネートポリオール(1)とメチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(1)を得た。
合成例2で得られたポリカーボネートポリオール(2)とメチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(2)を得た。
合成例3で得られたポリカーボネートポリオール(3)100質量部と可塑剤としてフタル酸ベンジルブチル(以下、「BBP」と略記する。)25質量部を混合し、メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(3)を得た。
合成例4で得られたポリカーボネートポリオール(4)100質量部と可塑剤BBP25質量部を混合し、4,4’-ジフェニルメタンジイソシアネートのカルボジイミド変性体(日本ポリウレタン工業株式会社製「コロネートMX」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(4)を得た。
合成例5で得られたポリカーボネートポリオール(5)100質量部と可塑剤BBP25質量部を混合し、メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(5)を得た。
合成例5で得られたポリカーボネートポリオール(6)100質量部と可塑剤BBP25質量部を混合し、メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(6)を得た。
合成例7で得られたポリカーボネートポリオール(7)100質量部と可塑剤BBP25質量部を混合し、メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(7)を得た。
合成例8で得られたポリカーボネートポリオール(8)とメチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(8)を得た。
合成例1で得られたポリカーボネートポリオール(1)80質量部とポリエステルポリオール(DIC株式会社製「ポリライトOD-X-2195」)20質量部を混合し、メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(9)を得た。
合成例1で得られたポリカーボネートポリオール(1)60質量部とポリエステルポリオール(DIC株式会社製「ポリライトOD-X-2195」)40質量部を混合し、メ4,4’-ジフェニルメタンジイソシアネートのカルボジイミド変性体(日本ポリウレタン工業株式会社製「コロネートMX」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(10)を得た。
合成例1で得られたポリカーボネートポリオール(1)30質量部と合成例9で得られたポリカーボネートポリオール(9)70質量部を混合し、メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(11)を得た。
ポリエステルポリオール(DIC株式会社製「ポリライトOD-X-2195」)と4,4’-ジフェニルメタンジイソシアネートのカルボジイミド変性体(日本ポリウレタン工業株式会社製「コロネートMX」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(C1)を得た。
合成例7で得られたポリカーボネートポリオール(7)とメチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)をNCO/OH=1.00(モル比)の配合比率で混合攪拌し、直径4.0cm×厚み1.2cmの円柱金型に注入した。それら金型を120℃で2時間、一次硬化させ、さらに110℃で17時間、二次硬化させ、円柱状のウレタン樹脂成形物(C2)を得た。
実施例1~11、及び、比較例1~2で得られた円柱状のウレタン樹脂成形物を試験体とし、JIS-K-6253に規定の硬度測定法にてJIS-A硬度を測定した。
耐加水分解性の評価は、ウレタン樹脂成形物の硬度保持率で判断した。実施例1~11、及び、比較例1~2で得られた円柱状のウレタン樹脂成形物を試験体とし、該試験体を75℃、湿度95%の雰囲気下に28日間養生し、養生前後のウレタン樹脂成形物のJIS-A硬度を下記式に代入し、硬度保持率を算出し、以下のように評価した。
硬度保持率(%)=(養生後のJIS-A硬度/養生前のJIS-A硬度)×100
◎:硬度保持率が70%以上
○:硬度保持率が50%以上70%未満
×:硬度保持率が50%未満
耐溶剤性の評価は、ウレタン樹脂成形物を溶剤に浸漬させた前後の質量変化で判断した。実施例1~11、及び、比較例1~2で得られた円柱状のウレタン樹脂成形物を試験体とし、該試験体を、トルエン、MEKにそれぞれ7日間浸漬させ、浸漬前後の試験体の質量を下記式に代入して質量変化率を算出し、以下のように評価した。
質量変化率(%)=((浸漬後の質量-浸漬前の質量)/(浸漬前の質量))×100
耐溶剤性の評価:
(耐トルエン性)
◎:質量変化率が10%未満
○:質量変化率が10%以上30%未満
△:質量変化率が30%以上50%未満
×:質量変化率が50%以上
(耐MEK性)
◎:質量変化率が60%未満
○:質量変化率が60%以上70%未満
△:質量変化率が70%以上80%未満
×:質量変化率が80%以上
「DEG」:ジエチレングリコール
「EG」:エチレングリコール
「TEG」:トリエチレングリコール
「TMP」:トリメチロールプロパン
「BG」:ブタンジオール
「PEG200」「PEG400」:ポリエチレングリコール
「DPC」:ジフェニルカーボネート
「DEC」:ジエチルカーボネート
「NCO-1」:メチレンジフェニルジイソシアネートのホルマリン縮合体(日本ポリウレタン工業株式会社製「ミリオネートMR-200」)
「NCO-2」:4,4′-ジフェニルメタンジイソシアネートのカルボジイミド変性体(日本ポリウレタン工業株式会社製「コロネートMX」)
Claims (8)
- 前記ポリオール(A)が、さらに、ポリエステルポリオール、ポリエーテルポリオール、及び前記ポリカーボネートポリオール(a1)以外のポリカーボネートポリオールからなる群より選ばれる1種以上のポリオール(a2)を含有するものである請求項1記載のウレタン樹脂組成物。
- 前記ポリオール(A)中の前記ポリカーボネートポリオール(a1)の含有量が、40質量%以上である請求項1記載のウレタン樹脂組成物。
- 前記ポリカーボネートポリオール(a1)の数平均分子量が、500~5000の範囲である請求項1記載のウレタン樹脂組成物。
- 前記ヒドロキシ化合物(C)中の前記ヒドロキシ化合物(c1)の含有量が、40質量%以上である請求項1記載のウレタン樹脂組成物。
- 印刷ロールまたはコーターロールに用いる請求項1記載のウレタン樹脂組成物。
- 請求項1~6のいずれか1項記載のウレタン樹脂組成物の硬化成形物であることを特徴とするウレタン樹脂成形物。
- 前記ウレタン樹脂成形物が、印刷ロールまたはコーターロールである請求項7記載のウレタン樹脂成形物。
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| WO2018207690A1 (ja) * | 2017-05-11 | 2018-11-15 | 株式会社金陽社 | カレンダー加工用樹脂ロール及びカレンダー加工装置 |
| JP2019044005A (ja) * | 2017-08-30 | 2019-03-22 | Dic株式会社 | 湿気硬化型ホットメルト接着剤及び積層体 |
| JP2019044003A (ja) * | 2017-08-30 | 2019-03-22 | Dic株式会社 | 二液硬化型ウレタン樹脂組成物及びフィルム成形品 |
| JP2019044004A (ja) * | 2017-08-30 | 2019-03-22 | Dic株式会社 | 湿気硬化型ホットメルト樹脂組成物及び積層体又は成形体 |
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| JP7172684B2 (ja) * | 2019-02-07 | 2022-11-16 | 三菱ケミカル株式会社 | ポリウレタンエラストマー及びその製造方法 |
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- 2017-02-23 CN CN202311654500.2A patent/CN117467106A/zh active Pending
- 2017-02-23 CN CN201780013034.6A patent/CN108699205A/zh active Pending
- 2017-02-23 JP JP2017539051A patent/JP6233552B1/ja active Active
- 2017-02-23 EP EP17756572.8A patent/EP3421515A4/en active Pending
- 2017-02-23 KR KR1020187025548A patent/KR102172756B1/ko active Active
- 2017-02-23 US US16/079,945 patent/US20190048125A1/en not_active Abandoned
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| WO2018207690A1 (ja) * | 2017-05-11 | 2018-11-15 | 株式会社金陽社 | カレンダー加工用樹脂ロール及びカレンダー加工装置 |
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| JP2019044005A (ja) * | 2017-08-30 | 2019-03-22 | Dic株式会社 | 湿気硬化型ホットメルト接着剤及び積層体 |
| JP2019044003A (ja) * | 2017-08-30 | 2019-03-22 | Dic株式会社 | 二液硬化型ウレタン樹脂組成物及びフィルム成形品 |
| JP2019044004A (ja) * | 2017-08-30 | 2019-03-22 | Dic株式会社 | 湿気硬化型ホットメルト樹脂組成物及び積層体又は成形体 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI794159B (zh) | 2023-03-01 |
| EP3421515A1 (en) | 2019-01-02 |
| KR102172756B1 (ko) | 2020-11-02 |
| US20190048125A1 (en) | 2019-02-14 |
| CN117467106A (zh) | 2024-01-30 |
| EP3421515A4 (en) | 2019-09-04 |
| JP2018048339A (ja) | 2018-03-29 |
| TW201741359A (zh) | 2017-12-01 |
| JP6988369B2 (ja) | 2022-01-05 |
| CN108699205A (zh) | 2018-10-23 |
| KR20180104324A (ko) | 2018-09-20 |
| JPWO2017146134A1 (ja) | 2018-03-08 |
| JP6233552B1 (ja) | 2017-11-22 |
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