CN105949426A - Matte resin for artificial leather surface coatings - Google Patents
Matte resin for artificial leather surface coatings Download PDFInfo
- Publication number
- CN105949426A CN105949426A CN201610469600.1A CN201610469600A CN105949426A CN 105949426 A CN105949426 A CN 105949426A CN 201610469600 A CN201610469600 A CN 201610469600A CN 105949426 A CN105949426 A CN 105949426A
- Authority
- CN
- China
- Prior art keywords
- polyethers
- artificial leather
- chain extender
- polyester
- diisocyanate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation 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
- C08G18/28—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
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- 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
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
-
- 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
- C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
- C08G18/4247—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids
- C08G18/425—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids the polyols containing one or two ether 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
- C08G18/28—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
- C08G18/28—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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention relates to a matte resin for artificial leather surface coatings. The matte resin is mainly prepared from at least three polyesters, at least two diisocyanates and at least three polyethers, comprising at least phthalic anhydride polyester polyol, polycarbonate and polytetrahydrofuran; the molecular weights of the polyesters and polyethers are respectively 1000 or above, and the molecular weight distribution phase difference is 1000 or above; the diisocyanates are aliphatic isocyanates, and the addition amount of the diisocyanates satisfies the condition that the mole ratio of the hard section to the raw material soft section is 2.5-4.5; and the addition amount of the polyethers satisfies the condition that the hydroxy amount accounts for 5-20 mol% of the total hydroxy amount in the raw materials. The matte resin is particles with nonuniform particle size distribution, and has the special matte effect when being used for artificial leather surface coatings; and the coating has high adhesive force and favorable scratch resistance.
Description
Technical field
The present invention relates to aqueous polyurethane coating technical field, be specifically related to a kind of dumb light resin for artificial leather face coat.
Background technology
The Water-borne modification of polyurethane resin the most progressively replaces solvent-borne type, becomes the important directions of polyurethane industrial development.Aqueous polyurethane is to replace organic solvent as the new polyurethane system of disperse medium, also referred to as water dispersible polyurethane, aqueous polyurethane or water-based polyurethane using water.Aqueous polyurethane with water as solvent, the advantage such as pollution-free, safe and reliable, good mechanical performance, the compatibility are good, easily modified.
Aqueous polyurethane can be widely applied to coating, adhesive, fabric coating and finishing agent, leather finishing agent, sheet surface treating agent and Fiber strength agent.Polyether-type, polyester-type and polyethers, polyester mixed type can be divided into according to synthon difference aqueous polyurethane.According to the difference of the diisocyanate selected, aqueous polyurethane can be divided into again aromatic series and aliphatic.
The whole building-up process of aqueous polyurethane can be divided into two stages.First stage, for be progressively polymerized in advance, is i.e. passed through solution and is progressively polymerized, by oligomer diol, chain extender, aqueous monomers, diisocyanate, the Waterborne Polyurethane Prepolymer that generation relative molecular mass is l000 magnitude；Second stage is performed polymer dispersion in water after neutralization.
At present, the coating resin on artificial leather surface, because containing plasticizer in artificial leather, the solvent-borne type surface conditioning agent in coating can make plasticizer extraction, causes artificial leather surface to be turned white, affects the surface quality of artificial leather.
Summary of the invention
It is an object of the invention to provide a kind of dumb light resin for artificial leather face coat, the glossiness reducing artificial leather surface forms vision matte effect.
The present invention solves the technical scheme that the problems referred to above are used: a kind of dumb light resin for artificial leather face coat, with polyester, diisocyanate and polyethers as primary raw material, wherein, the kind of polyester and polyethers three kinds and more than, at least include benzoic anhydride polyester polyol, Merlon and PolyTHF, the molecular weight of polyester and polyethers is more than 1000, and molecular weight distribution differs more than 1000；Diisocyanate is aliphatic isocyanates, kind two kinds and more than, it is 2.5～4.5 that the addition of diisocyanate meets the mol ratio of hard section contained by it and soft section of raw material；It is 5～20% that the addition of polyethers meet amount of hydroxyl groups contained by it to account for the molar percentage of the total amount of hydroxyl groups of raw material.
Preferably, the molecular weight distribution of polyester and polyethers is 2000～3000 or 5000～6000 or 3000～6000.
Preferably, described diisocyanate is HDI, HMDI.
The manufacture method of the dumb light resin of above-mentioned artificial leather face coat, comprises the steps:
1) adding polyester and polyethers in reactor, temperature is set to 95～120 DEG C, dehydration；
2) system is cooled to 60～70 DEG C, adds diisocyanate, then is warming up to 75～90 DEG C, be incubated 2 hours and more than, react to isocyano insertion theoretical value；
3) adding solvent in molten system, reduce system viscosity, solvent is N-N-ethyl pyrrole N-, alkanone；Being simultaneously introduced hydrophilic chain extender, this hydrophilic chain extender includes the small-molecular-weight glycol within dihydromethyl propionic acid and molecular weight 500, and it is 3～10% that dihydromethyl propionic acid accounts for the mass percent of overall reaction raw material in system；Temperature rises to 60～70 DEG C, insulation reaction 4 hours and more than；
4) system is cooled to 40～50 DEG C, adds the preferred triethylamine of nertralizer, stirs 2-3min, degree of neutralization 50～80%；
5) adding water emulsification: emulsifying temperature 30～40 DEG C, and add dispersant, emulsifying agent, this emulsifying agent is PE10100, PE6400 or oxirane and the hexadecanol of propylene oxide copolymer and the copolymer mixture of octadecanol；Add mixed chain extender further and close isocyano, mixed chain extender includes silane coupler and amine chain extender simultaneously, the preferred diethylenetriamine of amine chain extender, react under normal temperature condition 10min and more than, it is 1.0～1.3 that the addition of chain extender meets the mol ratio of isocyano and hydroxyl in finished product；
6) discharging.
The small-molecular-weight glycol of above-mentioned steps 3 is butanediol, diethylene glycol, lauryl alcohol.
Compared with prior art, it is an advantage of the current invention that: provide a kind of dumb light resin, by the polyester in raw material, the composition of polyethers and molecular weight are strictly arranged, increase in raw material polyethers and the kind quantity of polyester and expand molecular weight distribution, the final resin particle obtaining particle size distribution inequality, produces unique matte effect.
Merlon in raw material can improve the scratch resistance performance of coating；Benzoic anhydride polyester polyol in raw material has adhesive force height and is prone to the feature in artificial leather surface-coated.
During emulsion reaction, by improving emulsifying agent and adding dispersant, it is possible to reduce an interparticle bonding of different-grain diameter, precipitation.
In the manufacture method of dumb light resin of the present invention, chain extender is silane coupler and the mixed chain extender of amine chain extender composition, solves coating and separates out plasticizer in artificial leather and the technical barrier that causes artificial leather surface to be turned white.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
Dumb light resin for artificial leather face coat, with polyester, diisocyanate and polyethers as primary raw material, wherein, the kind of polyester and polyethers is at three kinds, including benzoic anhydride polyester polyol, Merlon and PolyTHF, the molecular weight of polyester and polyethers is more than 1000, and molecular weight distribution is 2000～3000；Diisocyanate is HDI and HMDI, and it is 2.5～4.5 that the addition of diisocyanate meets the mol ratio of hard section contained by it and soft section of raw material；It is 5～20% that the addition of polyethers meet amount of hydroxyl groups contained by it to account for the molar percentage of the total amount of hydroxyl groups of raw material.
The manufacture method of the dumb light resin of above-mentioned artificial leather face coat, comprises the steps:
1) adding polyester and polyethers in reactor, temperature is set to 95～120 DEG C, dehydration；
2) system is cooled to 60～70 DEG C, adds diisocyanate, then is warming up to 75～90 DEG C, is incubated 2 hours, reacts to isocyano insertion theoretical value；
3) adding solvent in molten system, reduce system viscosity, solvent is N-N-ethyl pyrrole N-, acetone；Being simultaneously introduced hydrophilic chain extender, this hydrophilic chain extender includes dihydromethyl propionic acid and butanediol, and it is 3～10% that dihydromethyl propionic acid accounts for the mass percent of overall reaction raw material in system；Temperature rises to 60～70 DEG C, insulation reaction 4 hours；
4) system is cooled to 40～50 DEG C, adds nertralizer triethylamine, stirs 2min, degree of neutralization 50%；
5) adding water emulsification: emulsifying temperature 30～40 DEG C, and add dispersant, emulsifying agent, this emulsifying agent is PE10100, PE6400 or oxirane and the hexadecanol of propylene oxide copolymer and the copolymer mixture of octadecanol；Add mixed chain extender further and close isocyano, mixed chain extender includes silane coupler and amine chain extender simultaneously, amine chain extender is diethylenetriamine, reacts 10min under normal temperature condition, and it is 1.1 that the addition of chain extender meets the mol ratio of isocyano and hydroxyl in finished product；
6) discharging.
Embodiment 2
Dumb light resin for artificial leather face coat, with polyester, diisocyanate and polyethers as primary raw material, wherein, the kind of polyester and polyethers is at three kinds, including benzoic anhydride polyester polyol, Merlon and PolyTHF, the molecular weight of polyester and polyethers is more than 1000, and molecular weight distribution is 3000～5000；Diisocyanate is HDI and HMDI, and it is 2.5～4.5 that the addition of diisocyanate meets the mol ratio of hard section contained by it and soft section of raw material；It is 5～20% that the addition of polyethers meet amount of hydroxyl groups contained by it to account for the molar percentage of the total amount of hydroxyl groups of raw material.
The manufacture method of the dumb light resin of above-mentioned artificial leather face coat, comprises the steps:
1) adding polyester and polyethers in reactor, temperature is set to 95～120 DEG C, dehydration；
2) system is cooled to 60～70 DEG C, adds diisocyanate, then is warming up to 75～90 DEG C, is incubated 4 hours, reacts to isocyano insertion theoretical value；
3) adding solvent in molten system, reduce system viscosity, solvent is N-N-ethyl pyrrole N-, acetone；Being simultaneously introduced hydrophilic chain extender, this hydrophilic chain extender includes dihydromethyl propionic acid and diethylene glycol, and it is 3～10% that dihydromethyl propionic acid accounts for the mass percent of overall reaction raw material in system；Temperature rises to 60～70 DEG C, insulation reaction 4 hours；
4) system is cooled to 40～50 DEG C, adds nertralizer triethylamine, stirs 3min, degree of neutralization 80%；
5) adding water emulsification: emulsifying temperature 30～40 DEG C, and add dispersant, emulsifying agent, this emulsifying agent is PE10100, PE6400 or oxirane and the hexadecanol of propylene oxide copolymer and the copolymer mixture of octadecanol；Add mixed chain extender further and close isocyano, mixed chain extender includes silane coupler and amine chain extender simultaneously, amine chain extender is diethylenetriamine, reacts 20min under normal temperature condition, and it is 1.1 that the addition of chain extender meets the mol ratio of isocyano and hydroxyl in finished product；
6) discharging.
Embodiment 3
Dumb light resin for artificial leather face coat, with polyester, diisocyanate and polyethers as primary raw material, wherein, the kind of polyester and polyethers is at three kinds, including benzoic anhydride polyester polyol, Merlon and PolyTHF, the molecular weight of polyester and polyethers is more than 1000, and molecular weight distribution is 5000～6000；Diisocyanate is HDI and HMDI, and it is 2.5～4.5 that the addition of diisocyanate meets the mol ratio of hard section contained by it and soft section of raw material；It is 5～20% that the addition of polyethers meet amount of hydroxyl groups contained by it to account for the molar percentage of the total amount of hydroxyl groups of raw material.
The manufacture method of the dumb light resin of above-mentioned artificial leather face coat, comprises the steps:
1) adding polyester and polyethers in reactor, temperature is set to 95～120 DEG C, dehydration；
2) system is cooled to 60～70 DEG C, adds diisocyanate, then is warming up to 75～90 DEG C, is incubated 2 hours, reacts to isocyano insertion theoretical value；
3) adding solvent in molten system, reduce system viscosity, solvent is N-N-ethyl pyrrole N-, acetone；Being simultaneously introduced hydrophilic chain extender, this hydrophilic chain extender includes dihydromethyl propionic acid and lauryl alcohol, and it is 3～10% that dihydromethyl propionic acid accounts for the mass percent of overall reaction raw material in system；Temperature rises to 60～70 DEG C, insulation reaction 6 hours；
4) system is cooled to 40～50 DEG C, adds nertralizer triethylamine, stirs 3min, degree of neutralization 60%；
5) adding water emulsification: emulsifying temperature 30～40 DEG C, and add dispersant, emulsifying agent, this emulsifying agent is PE10100, PE6400 or oxirane and the hexadecanol of propylene oxide copolymer and the copolymer mixture of octadecanol；Add mixed chain extender further and close isocyano, mixed chain extender includes silane coupler and amine chain extender simultaneously, amine chain extender is diethylenetriamine, reacts 10min under normal temperature condition, and it is 1.1 that the addition of chain extender meets the mol ratio of isocyano and hydroxyl in finished product；
6) discharging.
Dumb light resin obtained by the various embodiments described above is the granule of particle diameter skewness, for artificial leather face coat, has special matte effect, and coating adhesion is high, scratch resistance is good.
Claims (7)
1. the dumb light resin for artificial leather face coat, it is characterized in that: with polyester, diisocyanate and polyethers as primary raw material, wherein, the kind of polyester and polyethers three kinds and more than, at least include benzoic anhydride polyester polyol, Merlon and PolyTHF, the molecular weight of polyester and polyethers is more than 1000, and molecular weight distribution differs more than 1000；Diisocyanate is aliphatic isocyanates, kind two kinds and more than, it is 2.5～4.5 that the addition of diisocyanate meets the mol ratio of hard section contained by it and soft section of raw material；It is 5～20% that the addition of polyethers meet amount of hydroxyl groups contained by it to account for the molar percentage of the total amount of hydroxyl groups of raw material.
Dumb light resin for artificial leather face coat the most according to claim 1, it is characterised in that: the molecular weight distribution of polyester and polyethers is 2000～3000 or 5000～6000 or 3000～6000.
Dumb light resin for artificial leather face coat the most according to claim 1, it is characterised in that: described diisocyanate is HDI, HMDI.
4. the method for the dumb light resin preparing artificial leather face coat described in claim 1, it is characterised in that: comprise the steps:
1) adding polyester and polyethers in reactor, temperature is set to 95～120 DEG C, dehydration；
2) system is cooled to 60～70 DEG C, adds diisocyanate, then is warming up to 75～90 DEG C, be incubated 2 hours and more than, react to isocyano insertion theoretical value；
3) adding solvent in molten system, reduce system viscosity, solvent is N-N-ethyl pyrrole N-, alkanone；Being simultaneously introduced hydrophilic chain extender, this hydrophilic chain extender includes the small-molecular-weight glycol within dihydromethyl propionic acid and molecular weight 500, and it is 3～10% that dihydromethyl propionic acid accounts for the mass percent of overall reaction raw material in system；Temperature rises to 60～70 DEG C, insulation reaction 4 hours and more than；
4) system is cooled to 40～50 DEG C, adds nertralizer, stirs 2-3min, degree of neutralization 50～80%；
5) adding water emulsification: emulsifying temperature 30～40 DEG C, and add dispersant, emulsifying agent, this emulsifying agent is PE10100, PE6400 or oxirane and the hexadecanol of propylene oxide copolymer and the copolymer mixture of octadecanol；Adding further mixed chain extender and close isocyano, mixed chain extender includes silane coupler and amine chain extender simultaneously, react under normal temperature condition 10min and more than, it is 1.0～1.3 that the addition of chain extender meets the mol ratio of isocyano and hydroxyl in finished product；
6) discharging.
The manufacture method of the dumb light resin of artificial leather face coat the most according to claim 4, it is characterised in that: the nertralizer of described step 4 is triethylamine.
The manufacture method of the dumb light resin of artificial leather face coat the most according to claim 4, it is characterised in that: the small-molecular-weight glycol of described step 3 is butanediol, diethylene glycol, lauryl alcohol.
The manufacture method of the dumb light resin of artificial leather face coat the most according to claim 4, it is characterised in that: the amine chain extender of described step 5 is diethylenetriamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610469600.1A CN105949426A (en) | 2016-06-26 | 2016-06-26 | Matte resin for artificial leather surface coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610469600.1A CN105949426A (en) | 2016-06-26 | 2016-06-26 | Matte resin for artificial leather surface coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105949426A true CN105949426A (en) | 2016-09-21 |
Family
ID=56904762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610469600.1A Pending CN105949426A (en) | 2016-06-26 | 2016-06-26 | Matte resin for artificial leather surface coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105949426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326683A (en) * | 2017-06-19 | 2017-11-07 | 福建南鼎纺织科技有限公司 | A kind of wet polyurethane resin textile slurry and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319682A (en) * | 2013-07-11 | 2013-09-25 | 清远市美乐仕油墨有限公司 | Low-luster aqueous polyurethane dispersion for leather, and preparation method and application thereof |
| CN103740250A (en) * | 2013-12-06 | 2014-04-23 | 四川达威科技股份有限公司 | Preparation method of matting leather water-based polyurethane coating agent |
| CN104263184A (en) * | 2014-09-06 | 2015-01-07 | 广东华澜浩宇科技创新有限公司 | Preparation method of water-based matte paint |
-
2016
- 2016-06-26 CN CN201610469600.1A patent/CN105949426A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319682A (en) * | 2013-07-11 | 2013-09-25 | 清远市美乐仕油墨有限公司 | Low-luster aqueous polyurethane dispersion for leather, and preparation method and application thereof |
| CN103740250A (en) * | 2013-12-06 | 2014-04-23 | 四川达威科技股份有限公司 | Preparation method of matting leather water-based polyurethane coating agent |
| CN104263184A (en) * | 2014-09-06 | 2015-01-07 | 广东华澜浩宇科技创新有限公司 | Preparation method of water-based matte paint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326683A (en) * | 2017-06-19 | 2017-11-07 | 福建南鼎纺织科技有限公司 | A kind of wet polyurethane resin textile slurry and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5485263B2 (en) | Polyurethane dispersion | |
| EP3140333B1 (en) | Polyester polyols from thermoplastic polyesters and dimer fatty acids | |
| CN109651922B (en) | Waterborne polyurethane toughened waterborne epoxy resin anticorrosive paint and preparation method thereof | |
| EP3110868B1 (en) | Curable aqueous polyurethane dispersions made from renewable resources | |
| TWI510513B (en) | Radiation curable aqueous compositions | |
| KR100468548B1 (en) | Aqueous Polyurethane Dispersions Based on 1-Methyl-2,4-and/or-2,6-Diisocyanatocyclohexane and Their Use as Binders for Glass Fiber Sizings | |
| CN101173032A (en) | Large-molecular weight polyurethane acrylic ester and synthesizing method thereof | |
| US7476707B2 (en) | Preparation of high solid polyester polyol/silica nanocomposite resin with low viscosity and related nanocomposite coatings | |
| CN108314770B (en) | Carbon dioxide-based aqueous polyurethane dispersion, preparation method thereof and carbon dioxide-based aqueous polyurethane pressure-sensitive adhesive | |
| CN107163217B (en) | Preparation method of nano-diamond modified waterborne polyurethane | |
| CN113825783B (en) | Polyether polycarbonate diol and method for producing same | |
| US20110136976A1 (en) | Aqueous polyurethane resin dispersion and process for preparing the same | |
| EP3580249B1 (en) | Aqueous coating composition | |
| JPH10158345A (en) | Production of polyurethane hybrid dispersion, coated preparation, its production and coated material | |
| US20160376438A1 (en) | Urea-free polyurethane dispersions | |
| CN103534321A (en) | An aqueous dispersible polymer composition | |
| EP2864387A1 (en) | Water-based coating compositions | |
| KR20150065720A (en) | Aqueous polyurethane dispersion derived from tertiary alkyl glycidyl esters | |
| CN105949426A (en) | Matte resin for artificial leather surface coatings | |
| CN105949427A (en) | Low-modulus slow-recovery water-based polyurethane | |
| EP2708564A1 (en) | Aqueous polyurethane dispersion derived from tertiary alkenyl glycidyl esters | |
| JPH04198361A (en) | Low-temperature curable composition | |
| CN114805744A (en) | Waterborne polyurethane modified epoxy resin and preparation method and application thereof | |
| EP2864388A2 (en) | Process for multi-layer coating | |
| CN106008877A (en) | Waterborne polyurethane with low modulus and high resilience performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
|
| RJ01 | Rejection of invention patent application after publication |