WO2021124661A1 - ウレタン樹脂水分散体、合成皮革、及び、合成皮革の製造方法 - Google Patents
ウレタン樹脂水分散体、合成皮革、及び、合成皮革の製造方法 Download PDFInfo
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- WO2021124661A1 WO2021124661A1 PCT/JP2020/038848 JP2020038848W WO2021124661A1 WO 2021124661 A1 WO2021124661 A1 WO 2021124661A1 JP 2020038848 W JP2020038848 W JP 2020038848W WO 2021124661 A1 WO2021124661 A1 WO 2021124661A1
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- WIPO (PCT)
- Prior art keywords
- urethane resin
- synthetic leather
- aqueous dispersion
- mass
- range
- Prior art date
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- 238000009940 knitting Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- PSGAAPLEWMOORI-PEINSRQWSA-N medroxyprogesterone acetate Chemical compound C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 PSGAAPLEWMOORI-PEINSRQWSA-N 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 description 1
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229960004793 sucrose Drugs 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 239000002335 surface treatment layer Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/141—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of two or more polyurethanes in the same layer
-
- 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
- C08G18/08—Processes
- C08G18/0838—Manufacture of polymers in the presence of non-reactive compounds
- C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
- C08G18/0861—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers
- C08G18/0866—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of a dispersing phase for the polymers or a phase dispersed in the polymers the dispersing or dispersed phase being an aqueous medium
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
- C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
-
- 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
- C08G18/06—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
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/068—Polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2205/00—Condition, form or state of the materials
- D06N2205/02—Dispersion
- D06N2205/023—Emulsion, aqueous dispersion, latex
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2205/00—Condition, form or state of the materials
- D06N2205/20—Cured materials, e.g. vulcanised, cross-linked
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Definitions
- the present invention relates to a urethane resin aqueous dispersion, synthetic leather, and a method for producing synthetic leather.
- a solvent-based urethane resin composition has been mainly used for various purposes such as synthetic leather (including artificial leather), coating agent, glove film, and adhesive.
- a one-component wet laminate adhesive for example, a one-component wet laminate adhesive, a two-component dry laminate adhesive, a one-component hot melt adhesive, a solvent-free two-component adhesive, a heat-melt type resin film, and the like are known.
- a two-component dry laminate adhesive containing a urethane resin main agent and a cross-linking agent is often used because of its good processability and durability after curing.
- the problem to be solved by the present invention is to provide a urethane aqueous dispersion which does not soak into the base cloth too much and has excellent peel strength and quick peelability.
- the present invention is a urethane resin aqueous dispersion containing a urethane resin (A), water (B), and a cross-linking agent (C), and the viscosity of the urethane resin (A) at 50 ° C. is 15,000 to 34. It is in the range of 000 Pa ⁇ s, the viscosity at 100 ° C. is in the range of 1,000 to 10,000 Pa ⁇ s, and the viscosity at 150 ° C. is in the range of 100 to 1,300 Pa ⁇ s. It is to provide a urethane resin aqueous dispersion.
- the present invention also provides synthetic leather having an adhesive layer formed of the urethane resin aqueous dispersion.
- the present invention also provides a method for producing the synthetic leather.
- the urethane resin aqueous dispersion of the present invention contains water and is environmentally friendly. Further, the urethane resin aqueous dispersion does not soak into the base cloth too much, and is excellent in peel strength and quick peelability.
- the urethane resin aqueous dispersion of the present invention contains a urethane resin (A), water (B), and a cross-linking agent (C), and the viscosity of the urethane resin (A) at 50 ° C. is 15,000 to It is in the range of 34,000 Pa ⁇ s, has a viscosity at 100 ° C. in the range of 1,000 to 10,000 Pa ⁇ s, and has a viscosity at 150 ° C. in the range of 100 to 1,300 Pa ⁇ s. Is to be.
- the urethane resin (A) does not soak into the base fabric too much (hereinafter, abbreviated as "penetration resistance"), and in order to obtain excellent peel strength and quick peelability, the viscosity at 50 ° C. is 15, It is in the range of 000 to 34,000 Pa ⁇ s, the viscosity at 100 ° C is in the range of 1,000 to 10,000 Pa ⁇ s, and the viscosity at 150 ° C is in the range of 100 to 1,300 Pa ⁇ s. Is essential.
- the viscosity of the urethane resin (A) at 50 ° C. is 25,000 to 33,000 Pa at 50 ° C.
- the range of s, the viscosity at 100 ° C. is in the range of 2,000 to 7,000 Pa ⁇ s, and the viscosity at 150 ° C. is preferably in the range of 150 to 1,000 Pa ⁇ s.
- the weight average molecular weight of the urethane resin (A) is preferably in the range of 65,000 to 125,000, more preferably in the range of 80,000 to 120,000.
- the number average molecular weight or weight average molecular weight of the urethane resin (A) indicates a value obtained by measuring under the following conditions by a gel permeation column chromatography (GPC) method. When two or more types of urethane resin (A) are used, the average value thereof is shown.
- the urethane resin (A) can be dispersed in water (B), and is, for example, a urethane resin having a hydrophilic group such as an anionic group, a cationic group, or a nonionic group; forcibly water (with an emulsifier).
- B) Urethane resin or the like dispersed therein can be used.
- These urethane resins (A) may be used alone or in combination of two or more.
- Examples of the method for obtaining the urethane resin having an anionic group include a method using one or more compounds selected from the group consisting of a compound having a carboxyl group and a compound having a sulfonyl group as a raw material.
- Examples of the compound having a carboxyl group include 2,2-dimethylolpropionic acid, 2,2-dimethylolbutanoic acid, 2,2-dimethylolbutyric acid, 2,2-dimethylolpropionic acid, and 2,2-valeric acid. Valeric acid and the like can be used. These compounds may be used alone or in combination of two or more.
- Examples of the compound having a sulfonyl group include 3,4-diaminobutanesulfonic acid, 3,6-diamino-2-toluenesulfonic acid, 2,6-diaminobenzenesulfonic acid, and N- (2-aminoethyl)-.
- 2-Aminosulfonic acid, N- (2-aminoethyl) -2-aminoethylsulfonic acid and the like can be used. These compounds may be used alone or in combination of two or more.
- the carboxyl group and the sulfonyl group may be partially or completely neutralized with a basic compound in the urethane resin composition.
- a basic compound for example, organic amines such as ammonia, triethylamine, pyridine, and morpholine; alkanolamines such as monoethanolamine and dimethylethanolamine; and metal base compounds containing sodium, potassium, lithium, calcium and the like are used. Can be done.
- Examples of the method for obtaining the urethane resin having a cationic group include a method using one or more compounds having an amino group as a raw material.
- Examples of the compound having an amino group include compounds having primary and secondary amino groups such as triethylenetetramine and diethylenetriamine; N-alkyldialkanolamines such as N-methyldiethanolamine and N-ethyldiethanolamine, and N-methyl.
- Compounds having a tertiary amino group such as N-alkyldiaminoalkylamine such as diaminoethylamine and N-ethyldiaminoethylamine can be used. These compounds may be used alone or in combination of two or more.
- Examples of the method for obtaining the urethane resin having a nonionic group include a method using one or more compounds having an oxyethylene structure as a raw material.
- a polyether polyol having an oxyethylene structure such as polyoxyethylene glycol, polyoxyethylene polyoxypropylene glycol, and polyoxyethylene polyoxytetramethylene glycol can be used. These compounds may be used alone or in combination of two or more.
- Examples of the emulsifier that can be used to obtain the urethane resin that is forcibly dispersed in water (B) include polyoxyethylene nonylphenyl ether, polyoxyethylene lauryl ether, polyoxyethylene styrylphenyl ether, and polyoxy.
- Nonionic emulsifiers such as ethylene sorbitol tetraoleate and polyoxyethylene / polyoxypropylene copolymer; fatty acid salts such as sodium oleate, alkyl sulfates, alkylbenzene sulfonates, alkyl sulfosuccinates, naphthalence sulphonates, Anionic emulsifiers such as polyoxyethylene alkyl sulfate, alkansulfonate sodium salt, and alkyldiphenyl ether sulfonate sodium salt; cationic emulsifiers such as alkylamine salt, alkyltrimethylammonium salt, and alkyldimethylbenzylammonium salt can be used. it can. These emulsifiers may be used alone or in combination of two or more.
- urethane resin (A) a urethane resin having an anionic group and / or a urethane resin having an anionic group can be obtained from the viewpoints of obtaining even more excellent water dispersion stability, hydrolysis resistance, peeling strength, immediate peeling property, and light resistance.
- a urethane resin having a nonionic group it is preferable to use a urethane resin having a nonionic group.
- the concentration of the hydrophilic group of the urethane resin (A) is adjusted to further improve the water dispersion stability and hydrolysis resistance. From the viewpoint of obtaining peeling strength, quick peeling property, and light resistance, the range of 0.01 to 10% by mass, preferably 0.1 to 5% by mass, of the raw materials constituting the urethane resin (A) is preferable. Is more preferable.
- polyisocyanate (a1) examples include aromatic polyisocyanates such as phenylenediocyanate, toluene diisocyanate, diphenylmethane diisocyanate, naphthalene diisocyanate, polymethylene polyphenyl polyisocyanate, and carbodiimidated diphenylmethane polyisocyanate; hexamethylene diisocyanate, lysine diisocyanate, and cyclohexane.
- aromatic polyisocyanates such as phenylenediocyanate, toluene diisocyanate, diphenylmethane diisocyanate, naphthalene diisocyanate, polymethylene polyphenyl polyisocyanate, and carbodiimidated diphenylmethane polyisocyanate
- hexamethylene diisocyanate lysine diisocyanate
- cyclohexane examples include cyclohexane.
- An aliphatic or alicyclic polyisocyanate such as diisocyanate, isophorone diisocyanate, dicyclohexylmethane diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, dimerate diisocyanate, norbornene diisocyanate can be used.
- These polyisocyanates may be used alone or in combination of two or more.
- aromatic polyisocyanates are preferable, and toluene diisocyanates and / or , Diphenylmethane diisocyanate is more preferable.
- polystyrene resin for example, a polyether polyol, a polyester polyol, a polycarbonate polyol, a dimerdiol, an acrylic polyol, a polybutadiene polyol, or the like can be used. These polyols may be used alone or in combination of two or more. Among these, polyether polyols and / or polycarbonate polyols are preferable, and polytetramethylene glycol, from the viewpoint of further improving water dispersion stability, hydrolysis resistance, peel strength, quick peeling property, and light resistance. And / or a polycarbonate polyol is more preferred.
- the number average molecular weight of the polyol (a2) is preferably in the range of 500 to 10,000 from the viewpoint of obtaining even more excellent peel strength, mechanical strength of the film, and hydrolysis resistance. The range of 800 to 5,000 is more preferable.
- the number average molecular weight of the polyol (a2) indicates a value measured by a gel permeation column chromatography (GPC) method.
- the polyol (a2) may be used in combination with a chain extender (a3) (which does not have a carboxyl group and a sulfonyl group and has a molecular weight of 50 or more and less than 500).
- a chain extender for example, a chain extender having a hydroxyl group, a chain extender having an amino group, or the like can be used. These may be used alone or in combination of two or more.
- chain extender having a hydroxyl group examples include ethylene glycol, diethylene recall, triethylene glycol, propylene glycol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, and hexamethylene glycol.
- Aliphatic polyol compounds such as saccharose, methylene glycol, glycerin, sorbitol; bisphenol A, 4,4'-dihydroxydiphenyl, 4,4'-dihydroxydiphenyl ether, 4,4'-dihydroxydiphenylsulfone, hydrogenated bisphenol A, hydroquinone, etc.
- Aromatic polyol compound; water and the like can be used.
- chain extender having an amino group examples include ethylenediamine, 1,2-propanediamine, 1,6-hexamethylenediamine, piperazine, 2-methylpiperazin, 2,5-dimethylpiperazine, isophoronediamine, 4,4. '-Dicyclohexylmethanediamine, 3,3'-dimethyl-4,4'-dicyclohexylmethanediamine, 1,2-cyclohexanediamine, 1,4-cyclohexanediamine, aminoethylethanolamine, hydrazine, diethylenetriamine, triethylenetetramine, etc. Can be used. These chain extenders may be used alone or in combination of two or more.
- the amount used is 0.5 to 40% by mass based on the total mass of each raw material constituting the urethane resin (A) from the viewpoint of further improving the durability of the film.
- the range is preferably in the range, and more preferably in the range of 1 to 20% by mass.
- the urethane resin (A) for example, a raw material used for producing the urethane resin having a hydrophilic group, the aromatic polyisocyanate (a1), the polyol (a2), and if necessary, the urethane resin (a2).
- a method for producing the urethane resin (A) for example, a raw material used for producing the urethane resin having a hydrophilic group, the aromatic polyisocyanate (a1), the polyol (a2), and if necessary, the urethane resin (a2).
- Examples thereof include a method in which the chain extender (a3) is collectively charged and reacted. Examples thereof include a method in which these reactions are carried out at a temperature of 50 to 100 ° C. for 3 to 10 hours.
- the molar ratio [(isocyanate group) / (total of hydroxyl groups and amino groups)] of the polyisocyanate (a1) to the isocyanate group is preferably in the range of 0.8 to 1.2, and is preferably 0.9 to 1.2. The range of 1.1 is more preferred.
- the urethane resin (A) When producing the urethane resin (A), it is preferable to inactivate the isocyanate groups remaining in the urethane resin (A). When inactivating the isocyanate group, it is preferable to use an alcohol having a hydroxyl group such as methanol. When the alcohol is used, the amount used is preferably in the range of 0.001 to 10 parts by mass with respect to 100 parts by mass of the urethane resin (A).
- an organic solvent when producing the urethane resin (A), an organic solvent may be used.
- the organic solvent include ketone compounds such as acetone and methyl ethyl ketone; ether compounds such as tetrahydrofuran and dioxane; acetate compounds such as ethyl acetate and butyl acetate; nitrile compounds such as acetonitrile; dimethylformamide, N-methylpyrrolidone and the like.
- An amide compound or the like can be used.
- These organic solvents may be used alone or in combination of two or more. The organic solvent is preferably removed by a distillation method or the like when the urethane resin composition is obtained.
- the water (B) for example, ion-exchanged water, distilled water, tap water, or the like can be used. Among these, it is preferable to use ion-exchanged water having few impurities.
- the content of the water (B) is preferably in the range of 20 to 90% by mass, preferably 40 to 80% by mass, in the urethane resin aqueous dispersion from the viewpoint of workability, coatability, and storage stability. The range of is more preferable.
- cross-linking agent (C) for example, a carbodiimide cross-linking agent, a polyisocyanate cross-linking agent, a melamine cross-linking agent, an epoxy cross-linking agent and the like can be used.
- a polyisocyanate cross-linking agent is preferable from the viewpoint of obtaining even more excellent penetration resistance.
- Examples of the amount of the cross-linking agent (C) used include a range of 1 to 15 parts by mass with respect to 100 parts by mass of the urethane resin (A).
- the urethane resin aqueous dispersion of the present invention contains the urethane resin (A), the water (B), and the cross-linking agent (C) as essential components, but also contains other additives as necessary. You may.
- Examples of the other additives include a urethanization catalyst, a neutralizing agent, a cross-linking agent, a silane coupling agent, a thickener, a filler, a thixo-imparting agent, an antistatic agent, a wax, a heat stabilizer, and a light-resistant stabilizer.
- Fluorescent whitening agent, foaming agent, pigment, dye, conductivity imparting agent, antistatic agent, moisture permeability improver, water repellent, oil repellent, hollow foam, flame retardant, water absorbing agent, moisture absorbing agent, deodorant , Anti-foaming agent, anti-blocking agent, anti-hydrolysis agent and the like can be used. These additives may be used alone or in combination of two or more.
- the urethane resin aqueous dispersion of the present invention contains water and is environmentally friendly. Further, the urethane resin aqueous dispersion does not soak into the base cloth too much, and is excellent in peel strength and quick peelability. Therefore, the urethane resin aqueous dispersion can be suitably used as a material for forming an adhesive layer of synthetic leather.
- the synthetic leather is a synthetic leather having at least a base cloth (i), an adhesive layer (ii), and a skin layer (iii), and the adhesive layer (ii) is formed of the urethane resin aqueous dispersion. Is.
- Examples of the base cloth (i) include polyester fiber, polyethylene fiber, nylon fiber, acrylic fiber, polyurethane fiber, acetate fiber, rayon fiber, polylactic acid fiber, cotton, linen, silk, wool, glass fiber, carbon fiber, and the like. Non-woven fabrics, woven fabrics, knitting and the like made of these blended fibers can be used.
- the thickness of the adhesive layer (ii) may be, for example, in the range of 30 to 60 ⁇ m.
- the material for forming the skin layer (iii) for example, known water-based urethane resin, solvent-based urethane resin, solvent-free urethane resin, water-based acrylic resin, silicone resin, polypropylene resin, polyester resin and the like can be used. These resins may be used alone or in combination of two or more.
- the synthetic leather may be provided with an intermediate layer, a wet porous layer, a surface treatment layer, or the like, if necessary.
- Examples of the method for producing the synthetic leather include (x) a step of drying the water in the urethane resin aqueous dispersion, (y) a step of laminating the dried product on the base cloth, and (z) further at 100 to 150 ° C. It is preferable to have a heating step.
- the urethane resin aqueous dispersion is applied onto the skin layer, the water is dried, and a dry adhesive layer is formed (y).
- the adhesive layer is attached to the base cloth, and then heated at (z) 100 to 150 ° C. for 2 to 30 minutes to completely cure the urethane resin (A) and the cross-linking agent (C). It is possible to obtain synthetic leather having excellent quick peelability.
- an aging step may be provided if necessary. In the aging step, for example, a method using hot air drying, a hot cylinder, or the like can be mentioned.
- HLB Polyoxyethylene distyrene phenyl ether
- a urethane resin aqueous dispersion (nonvolatile content; 40% by mass, weight average molecular weight; 200,000) was obtained.
- Measuring device High-speed GPC device ("HLC-8220GPC” manufactured by Tosoh Corporation) Column: The following columns manufactured by Tosoh Corporation were connected in series and used. "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 This "TSKgel G2000" (7.8 mm ID x 30 cm) x 1 Detector: RI (Differential Refractometer) Column temperature: 40 ° C Eluent: tetrahydrofuran (THF) Flow velocity: 1.0 mL / min Injection volume: 100 ⁇ L (tetrahydrofuran solution with a sample concentration of 0.4% by mass) Standard sample: A calibration curve was prepared using the following standard polystyrene.
- a 2.5 cm wide hot melt tape (“BW-2” manufactured by Sun Kasei Co., Ltd.) was placed on the synthetic leather obtained in Examples and Comparative Examples, and heated at 150 ° C. for 3 minutes for adhesion. ..
- the sample was cut along the width of the sail and melt tape. A part of this sample was peeled off, the base material and the hot melt tape were sandwiched between chucks, and the peeling strength was measured with an autograph (“AG-1” manufactured by Shimadzu Corporation) and converted to a width of 1 cm. Those having a weight of 1 kgf / cm or more were judged to have excellent peel strength.
- Examples 1 to 4 which are the urethane resin aqueous dispersions of the present invention, did not soak into the base cloth too much and were excellent in peel strength and immediate peelability.
- Comparative Example 1 the viscosity of the urethane resin (A) at 50 ° C. was lower than the range specified in the present invention, but the urethane resin soaked into the base cloth too much and the peel strength was poor. ..
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Abstract
Description
撹拌機、還流冷却管、温度計及び窒素吹き込み管を備えた4ツ口フラスコに、窒素気流下、ポリテトラメチレングリコール(数平均分子量:1,000)500質量部、15質量部、メチルエチルケトン428質量部を加え、均一に混合した後、トルエンジイソシアネート(以下「TDI」と略記する。)117質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させた。次いで、1,3-ブタンジオールを11質量部加え、70℃で約1時間反応させて反応を終了させ、ウレタンポリマーのメチルエチルケトン溶液を得た。次いで、前記方法で得られたウレタンポリマーのメチルエチルケトン溶液にN,N-ジメチルエタノールアミン10質量部を加え、前記ウレタンポリマー中のカルボキシル基を中和した後、イオン交換水964質量部を加えた後、メチルエチルケトンを減圧下留去することによって、ウレタン樹脂水分散体(U-1)(不揮発分;40質量%、重量平均分子量;55,000)を得た。
撹拌機、還流冷却管、温度計及び窒素吹き込み管を備えた4ツ口フラスコに、窒素気流 メチルエチルケトン3,281質量部及びオクチル酸第一錫0.1質量部の存在下、ポリカーボネートポリオール(日本ポリウレタン株式会社製「ニッポラン980R」、数平均分子量;2,000)1,000質量部と、DMPA17質量部と、エチレングリコール47質量部と、ジフェニルメタンジイソシアネート(以下「MDI」と略記する。)344質量部と、を溶液粘度が20,000mPa・sに達するまで70℃で反応させた後、メタノール3質量部を加えて反応を停止させてウレタン樹脂のメチルエチルケトン溶液を得た。このウレタン樹脂溶液に、ポリオキシエチレンジスチレン化フェニルエーテル(Hydrophile-Lipophile Balance(以下、「HLB」と略記する);14、オキシエチレン基の平均付加モル数;10)70質量部と、トリエチルアミン13質量部を混合させた後に、イオン交換水800質量部を加えて転相乳化させることで前記ウレタン樹脂が水に分散した乳化液を得た。
次いで、前記乳化液からメチルエチルケトンを留去することによって、ウレタン樹脂水分散体(U-2)(不揮発分;40質量%、重量平均分子量;200,000)を得た。
撹拌機、還流冷却管、温度計及び窒素吹き込み管を備えた4ツ口フラスコに、窒素気流下、ポリテトラメチレングリコール(数平均分子量:1,000)500質量部、15質量部、メチルエチルケトン428質量部を加え、均一に混合した後、トルエンジイソシアネート(以下「TDI」と略記する。)117質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させた。次いで、1,3-ブタンジオールを11質量部加え、70℃で約1時間反応させて反応を終了させ、ウレタンポリマーのメチルエチルケトン溶液を得た。次いで、前記方法で得られたウレタンポリマーのメチルエチルケトン溶液にN,N-ジメチルエタノールアミン10質量部を加え、前記ウレタンポリマー中のカルボキシル基を中和した後、イオン交換水964質量部を加えた後、メチルエチルケトンを減圧下留去することによって、ウレタン樹脂水分散体(U-3)(不揮発分;40質量%、重量平均分子量;113,000)を得た。
<合成皮革の製造>
表皮層用の水性ウレタン樹脂組成物(DIC株式会社製「ハイドランWLS-250」)を100質量部、水分散性黒色顔料(DIC株式会社製「ダイラックHS-9530」)を10質量部、会合型増粘剤(DIC株式会社製「ハイドラン アシスター T10」)を1質量部からなる配合液をフラット離型紙(味の素株式会社製「DN-TP-155T」)上に乾燥後の膜厚が30μmとなる様に塗布し、70℃で2分間、さらに120℃で2分間乾燥させた。
次いで、表1の配合表に示す材料からなる配合液を固形分膜厚が50μmとなるように塗布し、70℃で3分間乾燥させた。T/R起毛布とラミネートした後、130℃、10分の条件にて熱処理し、離型紙を剥離して合成皮革を得た。
実施例および比較例で用いたポリオールの数平均分子量、ウレタン樹脂の重量平均分子量は、ゲル・パーミエーション・カラムクロマトグラフィー(GPC)法により、下記の条件で測定し得られた値を示す。
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」
架橋剤を含めないウレタン樹脂水分散体の乾燥物に対し、レオメーター(Anton-Paar社製「MCR-302」)を使用して、粘度測定をしつつ、常温から150℃まで、5℃/分の温度変化にて加熱した。
実施例及び比較例で得られた合成皮革の上に、2.5cm幅のホットメルトテープ(サン化成株式会社製「BW-2」)を載置し、150℃で3分間加熱し、接着した。帆とメルトテープの幅に沿って試料を切断した。この試料の一部を剥離し、基材とホットメルトテープをチャックで挟み、オートグラフ(株式会社島津製作所製「AG-1」)で剥離強度を測定し、1cm幅に換算した。1kgf/cm以上であるものは剥離強度に優れると判断した。
合成皮革を作製した直後に表皮層上に5円玉を載せて、その上から1kgの荷重をかけ、一晩静置した後、荷重と5円玉を除去して、合成皮革の表面を観察し、以下のように評価した。
「T」;5円玉の模様が確認されない。
「F」;5円玉の模様が確認される。
1.電子顕微鏡による評価
合成皮革の断面を電子顕微鏡(日立タイテクテクノロジー株式会社製走査型電子顕微鏡「SU3500」、倍率;200倍)を使用して観察し、以下のように評価した。
「T」;接着層を有し、接着層の一部が基布に染み込んでいる。
「F」;接着層がすべて基布に染み込んでいる、又は、接着剤層が基布に全く染み込んでいない。
合成皮革を屈曲性試験機にて、25℃、10満開の条件にて屈曲試験を行い、以下のように評価した。
「T」;合成皮革に損傷がない。
「F」;合成皮革が破損している。
「増粘剤1」;会合型増粘剤(DIC株式会社製「ハイドラン アシスター T10」)
「架橋剤1」;ポリイソシアネート架橋剤(DIC株式会社製「ハイドラン アシスター C5」)
Claims (4)
- ウレタン樹脂(A)、水(B)、架橋剤(C)を含有するウレタン樹脂水分散体であって、前記ウレタン樹脂(A)の50℃における粘度が、15,000~34,000Pa・sの範囲であり、100℃における粘度が、1,000~10,000Pa・sの範囲であり、150℃における粘度が、100~1,300Pa・sの範囲であることを特徴とするウレタン樹脂水分散体。
- 前記ウレタン樹脂(A)が、アニオン性基を有するウレタン樹脂、及び/又は、ノニオン性基を有するウレタン樹脂である請求項1記載のウレタン樹脂水分散体。
- 少なくとも、基布(i)、接着層(ii)、表皮層(iii)を有する合成皮革であって、前記接着層(ii)が、請求項1又は2記載のウレタン樹脂水分散体により形成されたものであることを特徴とする合成皮革。
- (x)請求項1又は2記載のウレタン樹脂水分散体中の水を乾燥する工程、(y)乾燥物を基布にラミネートする工程、及び、(z)100~150℃で更に加熱する工程を有することを特徴とする合成皮革の製造方法。
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CN202080080075.9A CN114729181B (zh) | 2019-12-20 | 2020-10-15 | 氨基甲酸酯树脂水分散体、合成皮革和合成皮革的制造方法 |
EP20903338.0A EP4079822A4 (en) | 2019-12-20 | 2020-10-15 | AQUEOUS DISPERSION OF URETHANE RESIN, SYNTHETIC LEATHER AND METHOD FOR PRODUCING SYNTHETIC LEATHER |
KR1020227013193A KR20220066139A (ko) | 2019-12-20 | 2020-10-15 | 우레탄 수지 수분산체, 합성 피혁, 및, 합성 피혁의 제조 방법 |
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US17/787,414 US20230026604A1 (en) | 2019-12-20 | 2020-10-15 | Urethane resin aqueous dispersion, synthetic leather, and method for producing synthetic leather |
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2020
- 2020-10-15 KR KR1020227013193A patent/KR20220066139A/ko active IP Right Grant
- 2020-10-15 US US17/787,414 patent/US20230026604A1/en active Pending
- 2020-10-15 WO PCT/JP2020/038848 patent/WO2021124661A1/ja unknown
- 2020-10-15 JP JP2021529431A patent/JP6989058B2/ja active Active
- 2020-10-15 EP EP20903338.0A patent/EP4079822A4/en active Pending
- 2020-10-15 CN CN202080080075.9A patent/CN114729181B/zh active Active
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JPH09169828A (ja) * | 1995-12-19 | 1997-06-30 | Mitsubishi Chem Corp | 注型用ポリウレタンエラストマー組成物及びその成形品 |
WO2017169244A1 (ja) * | 2016-04-01 | 2017-10-05 | Dic株式会社 | 一液型水性樹脂組成物、及び、繊維積層体 |
WO2018100930A1 (ja) * | 2016-12-01 | 2018-06-07 | Dic株式会社 | 水性樹脂組成物、及び、繊維積層体 |
WO2018110105A1 (ja) * | 2016-12-12 | 2018-06-21 | Dic株式会社 | 水性ウレタン樹脂組成物、及び、合成皮革 |
WO2019058692A1 (ja) * | 2017-09-19 | 2019-03-28 | Dic株式会社 | 合成皮革 |
WO2019235125A1 (ja) * | 2018-06-07 | 2019-12-12 | Dic株式会社 | 合成皮革 |
Non-Patent Citations (1)
Title |
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See also references of EP4079822A4 * |
Also Published As
Publication number | Publication date |
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CN114729181B (zh) | 2024-06-28 |
JP6989058B2 (ja) | 2022-01-05 |
KR20220066139A (ko) | 2022-05-23 |
CN114729181A (zh) | 2022-07-08 |
EP4079822A4 (en) | 2023-12-13 |
EP4079822A1 (en) | 2022-10-26 |
JPWO2021124661A1 (ja) | 2021-12-23 |
US20230026604A1 (en) | 2023-01-26 |
TW202124651A (zh) | 2021-07-01 |
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