CN101929076A - Aqueous slurry for synthetic leather - Google Patents
Aqueous slurry for synthetic leather Download PDFInfo
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- CN101929076A CN101929076A CN2010102734711A CN201010273471A CN101929076A CN 101929076 A CN101929076 A CN 101929076A CN 2010102734711 A CN2010102734711 A CN 2010102734711A CN 201010273471 A CN201010273471 A CN 201010273471A CN 101929076 A CN101929076 A CN 101929076A
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Abstract
The invention discloses aqueous slurry for synthetic leather, which relates to slurry for a textile coating. The aqueous slurry for the synthetic leather comprises the following raw materials in part by weight: 100 parts of aqueous PU resin, 1.0 part of organic silicon handfeel agent, 3 to 4 parts of wax emulsion, 0.5 part of defoaming agent, 0.5 to 1.0 part of thickening agent and 15 to 20 parts of color paste. The aqueous slurry for the synthetic leather has the advantages that: the prepared slurry is safe and environmentally-friendly and does not contain any organic solvent, so the slurry does not produce toxic, harmful, combustible and explosive petroleum solvent during application and does not cause any harm to the environment and the human body; and after the slurry is applied on a textile pattern layer, the prepared synthetic leather has better air permeability and moisture penetrability which are closer to the properties of natural leather.
Description
Technical field
The present invention relates to the spinning coating slurry, specifically is a kind of synthetic leather water paste.
Background technology
At present, synthetic leather prepares the used dry process PU slurry of synthetic leather and is made up of polyurethane (PU) resin and poisonous and hazardous organic solvent in process of production.The basic composition of dry method slurry commonly used is toluene, butanone, dimethyl formamide (DMF), polyurethane resin, but these group material all have bigger pollution to environment.And existing solvent type synthetic leather slurry also can produce the material and the gas of the murder by poisoning of poisonous, harmful, inflammable and environmental pollution and human body in application process.Therefore synthetic leather industry seems particularly serious for environmental pollution problems.
China Patent No. 200710046994.0, name is called a kind of preparation method of synthetic leather dry process PU slurry, disclose a kind of amorphous polyurethane polymer, surface energy conditioning agent, corrosion inhibiter, dimethyl formamide of comprising, by in amorphous polyurethane polymer solution, stirring the PU slurry that makes by proportioning adding surface conditioner and corrosion inhibiter, realize the anterior recovery of dry method waste gas, solved dry method exhaust gas discharging pollution on the environment problem.
Summary of the invention
Technical problem solved by the invention is to provide a kind of have better ventilative, poisture-penetrability, more approaches a kind of aqueous slurry for synthetic leather of natural leather, does not produce environment and the virulent material of human body.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of aqueous slurry for synthetic leather is characterized in that: the raw material of described composition aqueous slurry for synthetic leather and each raw material are as follows by weight ratio
Material name weight portion proportioning
100 parts of water-based PU resins
1.0 parts of organic silicon hand feeling agent
Wax emulsion 3-4 part
0.5 part of defoamer
Thickener 0.5-1.0 part
Mill base 15-20 part
Described water-based PU resin comprises one or more CGPU-100, CGPU-250, CGPU-600, the CGPU-100W in following;
Described organic silicon hand feeling agent is 7457,7608;
Described wax emulsion is ML-250, T-9;
Described mill base is the aqueous color paste of various colors;
Described defoamer is F111;
Described thickener is ZD-188.
In the present invention, prepare in the described aqueous slurry for synthetic leather process, with water as decentralized medium, with being dispersed in the water of water-based PU stable resin, the organic silicon hand feeling agent, wax emulsion, defoamer and the thickener that add trace, mill base is to add before use, and mixing obtains the finished product slurry of viscosity about 8000cp/25 ℃ after stirring.
The technical scheme that the present invention also has is that a kind of aqueous slurry for synthetic leather is characterized in that: the raw material of described this aqueous slurry for synthetic leather of composition and each raw material are as follows by weight ratio
Material name weight portion proportioning
100 parts of water-based polyurethane polymers
Wax emulsion 3-4 part
0.5 part of defoamer
1.0 parts of hand feeling agents
Thickener 0.5-1.0 part
Described hand feeling agent is an organosilicon derivates;
Described cured emulsion is natural cured and synthetic cured water-borne dispersions;
Described defoamer is a modified organic silicon oxygen alkane;
Described thickener is an association type polyurethane;
The material system of described water-based urethane polymers is filled a prescription as follows by weight: polyether Glycols 10-15 part, vulcabond 6-10 part, dihydroxy chain extender 1-4 part, three hydroxyl chain extender 1-2 parts, catalyst 0.05-0.1 part, hydrophily chain extender 3-5 part, water 55-65 part.
Above-mentioned polyether Glycols is PTMG, the existing alkane ether of poly-epoxy, and the dihydroxy chain extender is ethanedioic acid, propylene glycol or butanediol;
Three hydroxyl chain extenders are glycerol or trimethylolpropane;
Catalyst is stannous octoate or dibutyl tin laurate, organo-bismuth, organic zinc;
The hydrophily chain extender is dihydromethyl propionic acid, dimethylolpropionic acid, diamino sulfonic acid;
Water is deionized water.
In technical solution of the present invention, in the described preparation aqueous slurry for synthetic leather process, with water as decentralized medium, with stable being dispersed in the water of water-based polyurethane polymer, the hand feeling agent, wax emulsion, defoamer and the thickener that add trace, after mixing stirring, obtain the finished product slurry of viscosity about 8000cp/25 ℃.
The beneficial effect that the present invention has is slurry safety, the environmental protection for preparing, without any organic solvent, therefore in application, can not produce poisonous, harmful, inflammable, explosive petroleum solvent, can not cause any harm to environment and human body, and after being applied on the weaving figure layer, the synthetic leather of making has better ventilative, poisture-penetrability, more approaches the performance of natural leather.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the present invention.
Embodiment one, a kind of aqueous slurry for synthetic leather comprise that mainly following raw material and each raw material are by weight ratio
Material name weight portion proportioning
100 parts of water-based PU resins
1.0 parts of organic silicon hand feeling agent
Wax emulsion 3-4 part
0.5 part of defoamer
Thickener 0.5-1.0 part
Mill base 15-20 part
In preparation process, with water as decentralized medium, with being dispersed in the water of water-based PU stable resin, the organic silicon hand feeling agent, wax emulsion, defoamer and the thickener that add trace, mill base adds in use, and mixing obtains the finished product slurry of viscosity about 8000cp/25 ℃ after stirring.
Embodiment two, a kind of aqueous slurry for synthetic leather, raw material and each raw material of forming this aqueous slurry for synthetic leather are as follows by weight ratio
Material name weight portion proportioning
100 parts of water-based polyurethane polymers
Wax emulsion 3-4 part
0.5 part of defoamer
1.0 parts of hand feeling agents
Thickener 0.5-1.0 part
Hand feeling agent is an organosilicon derivates;
Cured emulsion is natural cured and synthetic cured water-borne dispersions;
Defoamer is a modified organic silicon oxygen alkane;
Thickener is an association type polyurethane;
The material system of water-based urethane polymers is filled a prescription as follows by weight: polyether Glycols 10-15 part, vulcabond 6-10 part, dihydroxy chain extender 1-4 part, three hydroxyl chain extender 1-2 parts, catalyst 0.05-0.1 part, hydrophily chain extender 3-5 part, water 55-65 part.
Wherein polyether Glycols is PTMG, the existing alkane ether of poly-epoxy, and the dihydroxy chain extender is ethanedioic acid, propylene glycol or butanediol.
Three hydroxyl chain extenders are glycerol or trimethylolpropane.
Catalyst is stannous octoate or dibutyl tin laurate, organo-bismuth, organic zinc.
The hydrophily chain extender is dihydromethyl propionic acid, dimethylolpropionic acid, diamino sulfonic acid.
Water is deionized water.
In this preparation process, as decentralized medium,, add hand feeling agent, wax emulsion, defoamer and the thickener of trace with water with stable being dispersed in the water of water-based polyurethane polymer, mixing obtains the finished product slurry of viscosity about 8000cp/25 ℃ after stirring.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. aqueous slurry for synthetic leather, it is characterized in that: the raw material of described composition aqueous slurry for synthetic leather and each raw material are as follows by weight ratio
Material name weight portion proportioning
100 parts of water-based PU resins
1.0 parts of organic silicon hand feeling agent
Wax emulsion 3-4 part
0.5 part of defoamer
Thickener 0.5-1.0 part
Mill base 15-20 part.
2. according to the described aqueous slurry for synthetic leather of claim 1, it is characterized in that: described water-based PU resin comprises one or more CGPU-100, CGPU-250, CGPU-600, the CGPU-100W in following;
Described organic silicon hand feeling agent is 7457,7608;
Described wax emulsion is ML-250, T-9;
Described mill base is the aqueous color paste of various colors;
Described defoamer is F111;
Described thickener is ZD-188.
3. according to the described aqueous slurry for synthetic leather of claim 1, it is characterized in that: in the described aqueous slurry for synthetic leather process, with water as decentralized medium, with being dispersed in the water of water-based PU stable resin, the organic silicon hand feeling agent, wax emulsion, defoamer and the thickener that add trace, mill base be add before use in the slurry mix stir after, obtain the finished product slurry of viscosity about 8000cp/25 ℃.
4. according to the described aqueous slurry for synthetic leather of claim 1, it is characterized in that: the raw material of described composition aqueous slurry for synthetic leather and each raw material are as follows by weight ratio
Material name weight portion proportioning
100 parts of water-based polyurethane polymers
Wax emulsion 3-4 part
0.5 part of defoamer
1.0 parts of hand feeling agents
Thickener 0.5-1.0 part.
5. according to the described aqueous slurry for synthetic leather of claim 4, it is characterized in that: described hand feeling agent is an organosilicon derivates;
Described cured emulsion is natural cured and synthetic cured water-borne dispersions;
Described defoamer is a modified organic silicon oxygen alkane;
Described thickener is an association type polyurethane;
The material system of described water-based urethane polymers is filled a prescription as follows by weight: polyether Glycols 10-15 part, vulcabond 6-10 part, dihydroxy chain extender 1-4 part, three hydroxyl chain extender 1-2 parts, catalyst 0.05-0.1 part, hydrophily chain extender 3-5 part, water 55-65 part.
6. according to the described aqueous slurry for synthetic leather of claim 5, it is characterized in that: described polyether Glycols is PTMG, the existing alkane ether of poly-epoxy, and the dihydroxy chain extender is ethanedioic acid, propylene glycol or butanediol;
Three hydroxyl chain extenders are glycerol or trimethylolpropane;
Catalyst is stannous octoate or dibutyl tin laurate, organo-bismuth, organic zinc;
The hydrophily chain extender is dihydromethyl propionic acid, dimethylolpropionic acid, diamino sulfonic acid;
Water is deionized water.
7. according to the described aqueous slurry for synthetic leather of claim 4, it is characterized in that: in the described preparation aqueous slurry for synthetic leather process, with water as decentralized medium, with stable being dispersed in the water of water-based polyurethane polymer, the hand feeling agent, wax emulsion, defoamer and the thickener that add trace, after mixing stirring, obtain the finished product slurry of viscosity about 8000cp/25 ℃.
Priority Applications (1)
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| CN2010102734711A CN101929076A (en) | 2010-09-02 | 2010-09-02 | Aqueous slurry for synthetic leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102734711A CN101929076A (en) | 2010-09-02 | 2010-09-02 | Aqueous slurry for synthetic leather |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102676038A (en) * | 2012-05-16 | 2012-09-19 | 中山宝立得高分子材料有限公司 | Water-based PU (polyurethane) and PVC(polyvinyl chloride) surface treating agent and preparation method thereof |
| CN102995407A (en) * | 2012-08-21 | 2013-03-27 | 江苏宝泽高分子材料股份有限公司 | Water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather and preparation method of treating agent |
| CN104018353A (en) * | 2014-06-23 | 2014-09-03 | 陈引发 | Pulp for environment-friendly packaging decoration artificial leather coatings |
| CN107429478A (en) * | 2015-03-16 | 2017-12-01 | Cthr·拜特利希有限公司 | Floride-free silicic acid anhydride |
| CN110407994A (en) * | 2019-06-20 | 2019-11-05 | 宜兴鸿兴瑞奇新材料科技有限公司 | The preparation method of a kind of environment-friendly water-based polyurethane indoor decoration synthetic leather and its resin dedicated |
| CN110424166A (en) * | 2019-06-20 | 2019-11-08 | 宜兴鸿兴瑞奇新材料科技有限公司 | The preparation method of a kind of high abrasion aqueous, environmental protective polyurethane floor synthetic leather and its resin dedicated |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676038A (en) * | 2012-05-16 | 2012-09-19 | 中山宝立得高分子材料有限公司 | Water-based PU (polyurethane) and PVC(polyvinyl chloride) surface treating agent and preparation method thereof |
| CN102995407A (en) * | 2012-08-21 | 2013-03-27 | 江苏宝泽高分子材料股份有限公司 | Water-based PU (Polyurethane) tender-skin-feel treating agent for synthetic leather and preparation method of treating agent |
| CN104018353A (en) * | 2014-06-23 | 2014-09-03 | 陈引发 | Pulp for environment-friendly packaging decoration artificial leather coatings |
| CN104018353B (en) * | 2014-06-23 | 2016-06-01 | 陈引发 | A kind of environmental protection type packing decorative artificial leather coating slurry |
| CN107429478A (en) * | 2015-03-16 | 2017-12-01 | Cthr·拜特利希有限公司 | Floride-free silicic acid anhydride |
| CN107429478B (en) * | 2015-03-16 | 2020-05-05 | Cthr·拜特利希有限公司 | Fluorine-free hydrophobization |
| CN110407994A (en) * | 2019-06-20 | 2019-11-05 | 宜兴鸿兴瑞奇新材料科技有限公司 | The preparation method of a kind of environment-friendly water-based polyurethane indoor decoration synthetic leather and its resin dedicated |
| CN110424166A (en) * | 2019-06-20 | 2019-11-08 | 宜兴鸿兴瑞奇新材料科技有限公司 | The preparation method of a kind of high abrasion aqueous, environmental protective polyurethane floor synthetic leather and its resin dedicated |
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Application publication date: 20101229 |