CN111499830A - Two-component solvent-free polyurethane resin for directly coating fabric and preparation method thereof - Google Patents
Two-component solvent-free polyurethane resin for directly coating fabric and preparation method thereof Download PDFInfo
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- CN111499830A CN111499830A CN202010424521.5A CN202010424521A CN111499830A CN 111499830 A CN111499830 A CN 111499830A CN 202010424521 A CN202010424521 A CN 202010424521A CN 111499830 A CN111499830 A CN 111499830A
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- polyurethane resin
- free polyurethane
- polyester 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6648—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6651—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3237—Polyamines aromatic
- C08G18/3243—Polyamines aromatic containing two or more aromatic rings
-
- 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
-
- 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
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- 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
- C08G18/61—Polysiloxanes
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- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- 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
- D06N3/146—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 characterised by the macromolecular diols used
Abstract
The invention relates to the technical field of polyurethane resin preparation, in particular to a double-component solvent-free polyurethane resin for directly coating fabrics, which consists of a component A, a component B and a catalyst, wherein the component A is prepared by reacting adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, an antioxidant, an anti-ultraviolet auxiliary agent and isocyanate, the component B is 4, 4' -diaminodiphenylmethane and a sodium chloride complex thereof, and the catalyst is alcohol with a molecular chain containing less than 6 carbon atoms. A preparation method of a two-component solvent-free polyurethane resin for directly coating fabrics comprises the following steps: (1) preparing a component A; (2) and (4) preparing a mixture. The two-component solvent-free polyurethane for directly coating the fabric and the preparation method thereof can ensure that the treated fabric has the properties of good fastness, good wear resistance and scratch resistance, excellent water pressure and good washing resistance.
Description
Technical Field
The invention relates to the technical field of polyurethane resin preparation, in particular to a two-component solvent-free polyurethane resin for directly coating fabrics and a preparation method thereof.
Background
The resin for directly coating the fabric at present is mainly solvent type polyurethane resin, and is used for outdoor tent cloth, umbrella cloth, sofa cloth and the like, the fabric directly coated by the solvent type polyurethane resin has the advantages of excellent water pressure, good water washing resistance, good hand feeling and the like, but the solvent content is large, the solid content of the one-liquid type and two-liquid type solvent type polyurethane resin mixed liquid is 20-60 percent when the mixed liquid is used for on-machine direct coating, a large amount of solvents such as DMF, TO L, MEK and other organic solvents are contained, the VOC emission is large, and the influence on the human health is large.
Disclosure of Invention
The invention aims to solve the technical defects and provide the two-component solvent-free polyurethane for directly coating the fabric and the preparation method thereof, and the prepared polyurethane resin has good environmental protection property and solvent resistance.
In order to achieve the purpose, the invention designs a double-component solvent-free polyurethane resin for directly coating fabrics, which consists of a component A, a component B and a catalyst, wherein the component A is prepared by reacting adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, an antioxidant, an ultraviolet-resistant auxiliary agent and isocyanate, the component B is 4, 4' -diaminodiphenylmethane and a sodium chloride complex thereof, the catalyst is alcohols with molecular chains containing 6 carbon atoms below, and the weight ratio of the component A to the component B to the catalyst is 100: 20-50: 0.2-0.6.
In the component A, the weight ratio of adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, antioxidant and anti-ultraviolet auxiliary agent is as follows: 40-60: 5-10: 1-4: 0.2-0.6: 0.2-0.6; the isocyanate is used in excess. The proportion of isocyanate is preferably, in accordance with the above proportions: the weight ratio of adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, antioxidant, anti-ultraviolet auxiliary agent and isocyanate is as follows: 40-60: 5-10: 1-4: 0.2-0.6: 0.2-0.6: 30-50.
The adipic acid polyester polyol is one or more of neopentyl glycol polyester Polyol (PNA), 2-methyl 1,3 propylene glycol polyester Polyol (PMA), ethylene glycol and 1,4 butanediol copolymerized polyester Polyol (PEBA) and butylethylpropylene glycol Polyester Polyol (PPA), and the molecular weight is 1500-.
The molecular weight of polycaprolactone polyol (PC L) was 1500-3000.
The reactive dihydroxy silicone oil is polyether modified dihydroxy-terminated silicone oil with the molecular weight of 1500-2500. Preferably Dow Corning SF8427, BY 16-201. The antioxidant is an antioxidant 1010, the ultraviolet resistant auxiliary agent is an ultraviolet resistant auxiliary agent UV-1, and the isocyanate is MDI-50 or MDI-100.
The 4, 4' -diaminodiphenylmethane and its sodium chloride complex in component B have amino nitrogen content of 5-6% and are dissolved in plasticizer. Preferred is XYlink311 from Suzhou Xiangyuan New materials, Inc.
The catalyst is glycerol or ethylene glycol or 2-methyl 1, 3-propanediol.
A preparation method of a two-component solvent-free polyurethane resin for directly coating fabrics comprises the following steps: (1) preparing a component A, namely putting metered adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, an antioxidant and an ultraviolet-resistant auxiliary agent into a reaction kettle, dehydrating, cooling to 40-50 ℃, uniformly stirring, putting excessive isocyanate into the reaction kettle to react at 60-70 ℃, measuring the NCO content to a theoretical value, and discharging after the reaction is finished to obtain the component A; (2) the preparation of the mixture comprises the steps of uniformly stirring and defoaming the metered component A, the metered component B and the catalyst at the temperature of 30-40 ℃.
In the preparation process, the determination of the NCO content to the theoretical value refers to: the isocyanate is in an excessive state, and the adipic acid polyester polyol, the polycaprolactone polyol, the reactive dihydroxy silicone oil and the like are reacted completely.
The invention relates to a two-component solvent-free polyurethane for directly coating fabrics and a preparation method thereof, which is characterized in that a prepolymer component A without a solvent and an end capping isocyanate is synthesized, the prepolymer component A, a component B and a catalyst are uniformly mixed in proportion, the mixture is kept for a long time and is stable, sodium chloride in the component B is dissociated under the action of the catalyst at the temperature of 100-130 ℃ during direct coating use, MDA and the component A are subjected to crosslinking reaction rapidly to generate a large amount of carbamido, and secondary amino can generate further crosslinking reaction to increase the crosslinking density, so that the treated fabrics have the performances of good fastness, good wear resistance and scratch resistance, excellent water pressure and good washing resistance.
Detailed Description
The invention is further described below by way of examples.
Example 1:
the two-component solvent-free polyurethane resin for fabric direct coating described in this embodiment is composed of a component a, a component B and a catalyst, wherein the component a is prepared by reacting neopentyl glycol polyester Polyol (PNA), ethylene glycol and 1, 4-butanediol copolymerized polyester Polyol (PEBA), butyl ethyl propylene glycol Polyester Polyol (PPA), polycaprolactone polyol (PC L), polyether modified dihydroxy-terminated silicone oil SF8427, antioxidant 1010, ultraviolet resistant auxiliary UV-1, MDI-100 and MDI-50, the component B is 4, 4' -diaminodiphenylmethane and sodium chloride complex XYlink311 thereof, the catalyst is glycerol, and the weight ratio of the component a, the component B and the catalyst is 100: 30: 0.2.
A preparation method of a two-component solvent-free polyurethane resin for fabric direct coating comprises the following steps of (1) preparing a component A, namely, gradually putting 100 parts of PNA1000, 150 parts of PEBA2000, 100 parts of PPA1000, 50 parts of PC L2000, 10 parts of SF8427, 2 parts of antioxidant 1010 and 2 parts of ultraviolet-resistant auxiliary agent UV-1 into a reaction kettle in parts by weight, stirring and dehydrating for 2 hours at 120 ℃ and under the vacuum degree of 0-0.095mpa, cooling to 40 ℃, putting 75 parts of MDI-100 and 200 parts of MDI-50 into the reaction kettle together, preserving heat for 4 hours at 60 ℃, finishing discharging after residual NCO reaches a theoretical value, testing a mixture of the component A, wherein the viscosity of the component A is 8000cps/30 ℃, and the NCO content of 10.1% (2) preparing a mixture, namely, uniformly stirring and defoaming 100 parts of the component A, 30 parts of XYLINK311 and 0.2 parts of glycerol at 30-40 ℃ in parts by weight.
Example 2:
the two-component solvent-free polyurethane resin for the direct coating of the fabric described in the embodiment comprises a component A, a component B and a catalyst, wherein the component A is prepared by reacting neopentyl glycol polyester Polyol (PNA), 2-methyl 1,3 propylene glycol polyester Polyol (PMA), ethylene glycol and 1, 4-butanediol copolymerized polyester Polyol (PEBA), butylethylpropylene glycol Polyester Polyol (PPA), polycaprolactone polyol (PC L), polyether modified dihydroxy-terminated silicone oil SF8427, an antioxidant 1010, an anti-ultraviolet auxiliary agent UV-1, MDI-100 and MDI-50, the component B is 4, 4' -diaminodiphenylmethane and a sodium chloride complex XYlink311 thereof, the catalyst is ethylene glycol, and the weight ratio of the component A to the component B to the catalyst is 100: 40: 0.5.
A preparation method of a two-component solvent-free polyurethane resin for fabric direct coating comprises the following steps of (1) preparing a component A, namely, gradually putting 100 parts by weight of PNA2000, 50 parts by weight of PMA2000, 100 parts by weight of PEBA2000, 100 parts by weight of PPA3000, 50 parts by weight of PC L2000, 12 parts by weight of SF8427, 3 parts by weight of antioxidant 1010 and 3 parts by weight of ultraviolet-resistant auxiliary agent UV-1 into a reaction kettle, stirring and dehydrating for 2 hours at 110 ℃ and under the vacuum degree of 0-0.095mpa, cooling to 50 ℃, putting 280 parts by weight of MDI-50 into the reaction kettle, keeping the temperature for 4 hours at 70 ℃, finishing discharging after the residual NCO reaches a theoretical value, testing a mixture of the component A, wherein 100 parts by weight of the component A, 40 parts by weight of XYLINK311 and 0.5 part by weight of ethylene glycol are uniformly stirred and defoamed at the temperature of 30-40 ℃.
Example 3:
the two-component solvent-free polyurethane resin for fabric direct coating described in this embodiment is composed of a component a, a component B and a catalyst, wherein the component a is prepared BY reacting neopentyl glycol polyester Polyol (PNA), 2-methyl 1,3 propylene glycol polyester Polyol (PMA), butyl ethyl propylene glycol Polyester Polyol (PPA), polycaprolactone polyol (PC L), polyether modified dihydroxy terminated silicone oil BY16-201, antioxidant 1010, anti-ultraviolet auxiliary UV-1, and MDI-50, the component B is 4, 4' -diaminodiphenylmethane and sodium chloride complex XYlink311 thereof, the catalyst is ethylene glycol, and the weight ratio of the component a, the component B and the catalyst is 100: 20: 0.3.
A preparation method of a two-component solvent-free polyurethane resin for fabric direct coating comprises the following steps of (1) preparing a component A, namely, gradually putting 100 parts of PNA2000, 100 parts of PMA3000, 100 parts of PPA2000, 100 parts of PC L2000, 10 parts of BY16-201, 2 parts of antioxidant 1010 and 2 parts of ultraviolet-resistant auxiliary agent UV-1 into a reaction kettle in parts BY weight, stirring and dehydrating for 2 hours at 115 ℃ and under the vacuum degree of 0-0.095mpa, cooling to 45 ℃, putting 205 parts of MDI-50 into the reaction kettle together, preserving heat and reacting for 4 hours at 65 ℃, and discharging after the NCO residue reaches the theoretical value, wherein the component A is prepared into a mixture with the viscosity of 10500cps/30 ℃ and the NCO content of 8.7% (2), wherein 100 parts of component A, 20 parts of XYlink311 and 0.3 part of 2-methyl 1,3 parts of propylene glycol are stirred uniformly and defoamed at the temperature of 30-40 ℃ in parts BY weight.
Test detection
The mixed liquid prepared in the embodiments 1 to 3 of the invention is directly coated on the oxford fabric, and the feed is 8 to 10g/m2Drying at 100-110 deg.C for 1-2 min, and drying at 120-130 deg.C for 1-2 min, and performing abrasion resistance, solvent resistance and water pressure resistance tests.
And (3) wear resistance test: according to GB/T21196-2007; fabric flat grinder FZ/T01011-91.
And (3) solvent resistance test: according to GB/T23989-2009.
And (3) water pressure resistance test: ISO 811.
Claims (8)
1. A two-component solvent-free polyurethane resin for directly coating fabrics is characterized in that: the paint is composed of a component A, a component B and a catalyst, wherein the component A is prepared by reacting adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, an antioxidant, an ultraviolet-resistant auxiliary agent and isocyanate, the component B is 4, 4' -diaminodiphenylmethane and a sodium chloride complex thereof, the catalyst is alcohols with molecular chains containing 6 carbon atoms or less, and the weight ratio of the component A to the component B to the catalyst is 100: 20-50: 0.2-0.6.
2. The two-component solvent-free polyurethane resin for fabric direct coating according to claim 1, wherein: in the component A, the weight ratio of adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, antioxidant and anti-ultraviolet auxiliary agent is as follows: 40-60: 5-10: 1-4: 0.2-0.6: 0.2-0.6; the isocyanate is used in excess.
3. The two-component solvent-free polyurethane resin for fabric direct coating according to claim 1 or 2, characterized in that: the adipic acid polyester polyol is one or more of neopentyl glycol polyester polyol, 2-methyl 1,3 propylene glycol polyester polyol, ethylene glycol and 1,4 butanediol copolymerized polyester polyol and butyl ethyl propylene glycol polyester polyol, and the molecular weight of the adipic acid polyester polyol is 1500-.
4. The two-component solvent-free polyurethane resin for fabric direct coating according to claim 3, wherein: the molecular weight of the polycaprolactone polyol is 1500-.
5. The two-component solvent-free polyurethane resin for fabric direct coating according to claim 3, wherein: the reactive dihydroxy silicone oil is polyether modified dihydroxy-terminated silicone oil with the molecular weight of 1500-2500.
6. The two-component solvent-free polyurethane resin for fabric direct coating according to claim 3, wherein: the 4, 4' -diaminodiphenylmethane and its sodium chloride complex in component B have amino nitrogen content of 5-6% and are dissolved in plasticizer.
7. The two-component solvent-free polyurethane resin for fabric direct coating according to claim 3, wherein: the catalyst is glycerol or ethylene glycol or 2-methyl 1, 3-propanediol.
8. A method for preparing the two-component solvent-free polyurethane resin for direct coating of the fabric according to claim 2, which is characterized in that: the method comprises the following steps: (1) preparing a component A, namely putting metered adipic acid polyester polyol, polycaprolactone polyol, reactive dihydroxy silicone oil, an antioxidant and an ultraviolet-resistant auxiliary agent into a reaction kettle, dehydrating, cooling to 40-50 ℃, uniformly stirring, putting excessive isocyanate into the reaction kettle to react at 60-70 ℃, measuring the NCO content to a theoretical value, and discharging after the reaction is finished to obtain the component A; (2) the preparation of the mixture comprises the steps of uniformly stirring and defoaming the metered component A, the metered component B and the catalyst at the temperature of 30-40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424521.5A CN111499830A (en) | 2020-05-19 | 2020-05-19 | Two-component solvent-free polyurethane resin for directly coating fabric and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424521.5A CN111499830A (en) | 2020-05-19 | 2020-05-19 | Two-component solvent-free polyurethane resin for directly coating fabric and preparation method thereof |
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| CN111499830A true CN111499830A (en) | 2020-08-07 |
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|---|---|---|---|
| CN202010424521.5A Pending CN111499830A (en) | 2020-05-19 | 2020-05-19 | Two-component solvent-free polyurethane resin for directly coating fabric and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698562A (en) * | 2021-07-21 | 2021-11-26 | 陈鹏云 | Solvent-free synthetic material applying ice and snow movement and preparation method thereof |
| WO2024016270A1 (en) * | 2022-07-21 | 2024-01-25 | Dow Global Technologies Llc | Polyurethane composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4814411A (en) * | 1988-02-08 | 1989-03-21 | The Firestone Tire & Rubber Company | Increased reactivity of isocyanate terminated polyether prepolymers with metal halide salt complexes of methylenedianiline |
| CN103380158A (en) * | 2010-11-23 | 2013-10-30 | 拜耳知识产权有限责任公司 | Molded polyurethane elastomer parts made of diphenylmethane diisocyanate-based NCO prepolymers and metal salt complexes, and a method for producing same |
| CN107417874A (en) * | 2017-08-02 | 2017-12-01 | 浙江枧洋高分子科技有限公司 | A kind of end-sealed type double component solvent-free waterproof moisture-penetrating urethane resin and preparation method thereof |
| CN108707412A (en) * | 2018-06-01 | 2018-10-26 | 浙江枧洋高分子科技有限公司 | High bright resin of a kind of Weak solvent and preparation method thereof |
-
2020
- 2020-05-19 CN CN202010424521.5A patent/CN111499830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4814411A (en) * | 1988-02-08 | 1989-03-21 | The Firestone Tire & Rubber Company | Increased reactivity of isocyanate terminated polyether prepolymers with metal halide salt complexes of methylenedianiline |
| CN103380158A (en) * | 2010-11-23 | 2013-10-30 | 拜耳知识产权有限责任公司 | Molded polyurethane elastomer parts made of diphenylmethane diisocyanate-based NCO prepolymers and metal salt complexes, and a method for producing same |
| CN107417874A (en) * | 2017-08-02 | 2017-12-01 | 浙江枧洋高分子科技有限公司 | A kind of end-sealed type double component solvent-free waterproof moisture-penetrating urethane resin and preparation method thereof |
| CN108707412A (en) * | 2018-06-01 | 2018-10-26 | 浙江枧洋高分子科技有限公司 | High bright resin of a kind of Weak solvent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698562A (en) * | 2021-07-21 | 2021-11-26 | 陈鹏云 | Solvent-free synthetic material applying ice and snow movement and preparation method thereof |
| CN113698562B (en) * | 2021-07-21 | 2022-09-09 | 海兴红旗体育器材有限公司 | Solvent-free synthetic material applying ice and snow movement and preparation method thereof |
| WO2024016270A1 (en) * | 2022-07-21 | 2024-01-25 | Dow Global Technologies Llc | Polyurethane composition |
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