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CN103614062A - Environment-friendly coating for leather surface finishing and preparation method thereof - Google Patents

Environment-friendly coating for leather surface finishing and preparation method thereof Download PDF

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Publication number
CN103614062A
CN103614062A CN201310605826.6A CN201310605826A CN103614062A CN 103614062 A CN103614062 A CN 103614062A CN 201310605826 A CN201310605826 A CN 201310605826A CN 103614062 A CN103614062 A CN 103614062A
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China
Prior art keywords
leather surface
agent
environmental protection
coating material
protection coating
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Application number
CN201310605826.6A
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Chinese (zh)
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CN103614062B (en
Inventor
陈县萍
许柳莎
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SHANGHAI JIUYUAN PETROCHEMICAL CO Ltd
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SHANGHAI JIUYUAN PETROCHEMICAL CO Ltd
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Abstract

The invention relates to the field of chemical technology, and particularly relates to an environment-friendly coating for leather surface finishing and a preparation method thereof. The environment-friendly coating is prepared from the following raw materials in percentage by weight: 85.1-95.9% of aqueous polyurethane dispersion, 1-3% of extinction powder, 0.5-2% of water-based silicone oil, 2-5% of small-molecular alcohol, 0.3-1.2% of wetting agent, 0.1-0.3% of leveling agent, 0.1-0.3% of feeling agent, 0-0.1% of color paste and 0.1-3% of strong false-plastic water-based polyurethane thickening agent. Compared with the prior art, the environment-friendly coating is formed by dispersing the auxiliaries with different properties into the aqueous polyurethane dispersion by a high-speed dispersion blending process. The environment-friendly coating for leather surface finishing applied to the fields of automobiles, shoemaking and bags improves the waterproof and moisture permeable properties, wear resistance and hand feeling of the leather; meanwhile, the environmental pollution in the construction process and the VOC (volatile organic compound) emission of the product are reduced to a great degree.

Description

A kind of leather surface is covered with paint, lacquer, colour wash, etc. by environmental protection coating material and preparation method
Technical field
The present invention relates to chemical technology field, specifically a kind of leather surface is covered with paint, lacquer, colour wash, etc. by environmental protection coating material and preparation method.
Background technology
In automobile, case and bag and shoe-making field, use a large amount of leathers, for improving leather surface aesthetic property, erosion resistance and wear resisting property, often can use coating and carry out surface daub on a wall.At present, in ripe market application, take solvent based coating as main.Solvent based coating, when solving leather surface performance, has also brought the volatile organic compounds VOC emission problem of operating environment pollution and leather products.
Therefore, need to design and a kind ofly can either solve leather surface performance, can stop again that operating environment is polluted and the leather surface of the volatile organic compounds VOC emission problem of leather products is covered with paint, lacquer, colour wash, etc. use environmental protection coating material and preparation method.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can either solve leather surface performance, can stop again the leather surface of the volatile organic compounds VOC emission problem of operating environment pollution and leather products and cover with paint, lacquer, colour wash, etc. by environmental protection coating material and preparation method.
In order to achieve the above object, the present invention has designed a kind of leather surface covering with paint environmental protection coating material, it is characterized in that the raw material that comprises following weight per-cent makes: 85.1%~95.9% polyurethane aqueous dispersion body, 1~3% flatting silica, 0.5~2% water-based silicone oil, 2~5% small molecular alcohols, 0.3~1.2% wetting agent, 0.1~0.3% flow agent, 0.1~0.3% hand feeling agent, 0~0.1% mill base, 0.1~3% strong false plastotype aqueous polyurethane thickener.
At 5~45 ℃ of temperature, mixing speed is 800~1200 revs/min, add successively stirrer to stir polyurethane aqueous dispersion body, flatting silica, water-based silicone oil, small molecular alcohol, wetting agent, flow agent, hand feeling agent and mill base, stir after 40~60 minutes, at mixing speed, be that under the agitation condition of 800~1200 revs/min, the speed with 10~30 droplets/minute drips strong false plastotype aqueous polyurethane thickener, after strong false plastotype aqueous polyurethane thickener is added dropwise to complete, the rotating speed continuing with 800~1200 revs/min is uniformly mixed 30 minutes.
Described polyurethane aqueous dispersion body is that the trade mark is the water-base cement product of WPU9200-6A.
Described flatting silica is silica system flatting silica.
Described water-based silicone oil is polyether-modified water-soluble silicon oil.
Described small molecular alcohol is boiling point higher than the dibasic alcohol of 180 ℃.
Described wetting agent is nonionic surface active agent.
Described flow agent is acrylic ester polymer or silicone based polymkeric substance.
Described hand feeling agent is the aqueous dispersion of talcum powder or organosilicon and organosilicon polymer.
Described mill base is waterborne general color paste.
The present invention compared with the existing technology, is dispersed in the auxiliary agent of different performance in polyurethane aqueous dispersion body by the method for high speed dispersion blend, forms environmental protection coating material.The leather surface using in automobile, shoemaking and case and bag field is covered with paint, lacquer, colour wash, etc. environmental protection coating material, improve waterproofing and moisture-penetration performances, wear resisting property and the feel of leather, and greatly degree has reduced environmental pollution in construction process and the volatile organic compounds VOC discharge of product simultaneously.
Embodiment
Now the present invention is described further.
The present invention is a kind of leather surface covering with paint environmental protection coating material, the raw material that comprises following weight per-cent is made: 85.1%~95.9% polyurethane aqueous dispersion body, 1~3% flatting silica, 0.5~2% water-based silicone oil, 2~5% small molecular alcohols, 0.3~1.2% wetting agent, 0.1~0.3% flow agent, 0.1~0.3% hand feeling agent, 0~0.1% mill base, 0.1~3% strong false plastotype aqueous polyurethane thickener.
Preparation method of the present invention: at 5~45 ℃ of temperature, mixing speed is 800~1200 revs/min, by polyurethane aqueous dispersion body, flatting silica, water-based silicone oil, small molecular alcohol, wetting agent, flow agent, hand feeling agent and mill base add stirrer to stir successively, stir after 40~60 minutes, at mixing speed, be that under the agitation condition of 800~1200 revs/min, the speed with 10~30 droplets/minute drips strong false plastotype aqueous polyurethane thickener, after strong false plastotype aqueous polyurethane thickener is added dropwise to complete, continuation is uniformly mixed 30 minutes with the rotating speed of 800~1200 revs/min.
In the present invention, polyurethane aqueous dispersion body is the water-base cement product that the trade mark of Shanghai Jiuyuan Petroleum Chemical Co., Ltd.'s production is WPU9200-6A.
Flatting silica is silica system flatting silica, and silica system flatting silica can be used for water-based system and disperses, if the trade mark of Degussa (China) Investment Co., Ltd is the flatting silica of ACEMATT OK520.
Water-based silicone oil is polyether-modified water-soluble silicon oil, and the trade mark is the water-based silicone oil of SM-601 or TR-20218.
Small molecular alcohol is boiling point higher than the dibasic alcohol of 180 ℃, as one or four butyleneglycols, ethylene glycol.
Wetting agent is nonionic surface active agent, and the trade mark that nonionic surface active agent can improve auxiliary agent dispersing property ,Ru U.S. Air Prod & Chem is Surfynol 104 tensio-active agents.
Flow agent is acrylic ester polymer or silicone based polymkeric substance, if the trade mark of Degussa (China) Investment Co., Ltd is the flow agent of enlightening high 450.
Hand feeling agent is the aqueous dispersion of talcum powder or organosilicon and organosilicon polymer, as the trade mark of the Guangzhou Hui Ying Chemical Co., Ltd. hand feeling agent that is TS-520.
Mill base is waterborne general color paste, according to customer demand, distinguishes different colours.
Strong false plastotype PU thickening material is the auxiliary agent that can improve aqueous adhesive apparent viscosity, if the trade mark of Shanghai Songyuan tail trade Co., Ltd is GelL75N, and the auxiliary agent of GelALA.
Embodiment 1: the material that the present invention includes following weight: WPU9200-6A:85.1~95.9 gram; ACEMATT OK520 flatting silica: 1~3 gram; SM-601 water-based silicone oil: 0.5 ~ 2 gram; Ethylene glycol: 2~5 grams; Surfynol 104 tensio-active agents: 0.3 ~ 1.2 gram; High 450 flow agents of enlightening: 0.1~0.3 gram; TS-520 hand feeling agent: 0.1~0.3 gram; Yellow waterborne general color paste: 0~0.1 gram; GelL75N auxiliary agent: 0.05~0.15 gram.
Embodiment 2: the material that the present invention includes following weight: WPU9200-6A: 85.1~95.9 grams; ACEMATT OK520 flatting silica: 1~3 gram; TR-20218 water-based silicone oil: 0.5 ~ 2 gram; Ethylene glycol: 2~5 grams;
0.3 ~ 1.2 gram, Surfynol 104 tensio-active agent; High 450 flow agents of enlightening: 0.1~0.3 gram; TS-520 hand feeling agent: 0.1~0.3 gram; Yellow waterborne general color paste: 0~0.1 gram; GelLALA auxiliary agent: 0.05~0.15 gram.
Embodiment 3: the material that the present invention includes following weight: WPU9200-6A:85.1~95.9 gram; ACEMATT OK520 flatting silica: 1~3 gram; TR-20218 water-based silicone oil: 0.5 ~ 2 gram; Ethylene glycol: 2~5 grams; 0.3 ~ 1.2 gram, Surfynol 104 tensio-active agent; High 450 flow agents of enlightening: 0.1~0.3 gram; TS-520 hand feeling agent: 0.1~0.3 gram; Yellow waterborne general color paste: 0~0.1 gram; GelLALA auxiliary agent: 0.05~0.15 gram.
The present invention is dispersed in the auxiliary agent of different performance in polyurethane aqueous dispersion body by the method for high speed dispersion blend, forms environmental protection coating material.The leather surface using in automobile, shoemaking and case and bag field is covered with paint, lacquer, colour wash, etc. environmental protection coating material, improve waterproofing and moisture-penetration performances, wear resisting property and the feel of leather, and greatly degree has reduced environmental pollution in construction process and the volatile organic compounds VOC discharge of product simultaneously.

Claims (10)

1. a leather surface covering with paint environmental protection coating material, it is characterized in that the raw material that comprises following weight per-cent makes: 85.1%~95.9% polyurethane aqueous dispersion body, 1~3% flatting silica, 0.5~2% water-based silicone oil, 2~5% small molecular alcohols, 0.3~1.2% wetting agent, 0.1~0.3% flow agent, 0.1~0.3% hand feeling agent, 0~0.1% mill base, 0.1~3% strong false plastotype aqueous polyurethane thickener.
2. the preparation method of an environmental protection coating material as claimed in claim 1, it is characterized in that: at 5~45 ℃ of temperature, mixing speed is 800~1200 revs/min, by polyurethane aqueous dispersion body, flatting silica, water-based silicone oil, small molecular alcohol, wetting agent, flow agent, hand feeling agent and mill base add stirrer to stir successively, stir after 40~60 minutes, at mixing speed, be that under the agitation condition of 800~1200 revs/min, the speed with 10~30 droplets/minute drips strong false plastotype aqueous polyurethane thickener, after strong false plastotype aqueous polyurethane thickener is added dropwise to complete, continuation is uniformly mixed 30 minutes with the rotating speed of 800~1200 revs/min.
3. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterised in that: described polyurethane aqueous dispersion body is that the trade mark is the water-base cement product of WPU9200-6A.
4. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described flatting silica is silica system flatting silica.
5. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described water-based silicone oil is polyether-modified water-soluble silicon oil.
6. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described small molecular alcohol is boiling point higher than the dibasic alcohol of 180 ℃.
7. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described wetting agent is nonionic surface active agent.
8. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described flow agent is acrylic ester polymer or silicone based polymkeric substance.
9. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described hand feeling agent is the aqueous dispersion of talcum powder or organosilicon and organosilicon polymer.
10. a kind of leather surface covering with paint environmental protection coating material as claimed in claim 1, is characterized in that: described mill base is waterborne general color paste.
CN201310605826.6A 2013-11-26 2013-11-26 A kind of leather surface covering with paint environmental protection coating material and preparation method Active CN103614062B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104312406A (en) * 2014-10-28 2015-01-28 福建思嘉环保材料科技有限公司 Environment-friendly wear-proof surface treating agent for inflatable smooth fabric and preparation method of surface treating agent
CN104497834A (en) * 2014-12-10 2015-04-08 山东天庆科技发展有限公司 Water-based leather matting and patching paste and preparation method thereof
CN104894872A (en) * 2015-06-29 2015-09-09 宣乐 Paint applied to surface of wind-resisting textile material
CN105176382A (en) * 2015-08-05 2015-12-23 广州赫厉狮森汽车用品有限公司 Water-based environment-friendly leather coating agent and preparation method thereof
CN106282444A (en) * 2016-08-29 2017-01-04 扬州市德运塑业科技股份有限公司 What a kind of leather preparation process used covers slurry serosity and preparation method thereof
CN107312438A (en) * 2017-08-22 2017-11-03 长春富维安道拓汽车饰件系统有限公司 A kind of coating material and spraying method of improvement PVC slush moulding epidermis low temperature bursting properties
CN107700227A (en) * 2017-09-21 2018-02-16 晋江市明仨纺织品科技有限公司 A kind of preparation method of Waterproof Breathable resin
CN108978238A (en) * 2018-07-19 2018-12-11 张家港市东方高新聚氨酯有限公司 A kind of polyurethane aqueous surface treating agent of resistance to wiping
CN109749405A (en) * 2018-12-19 2019-05-14 上海汇得科技股份有限公司 With the preparation method of pseudoplastic use for synthetic leather non-ionic water polyurethane lotion after a kind of thickening
CN111100538A (en) * 2018-10-25 2020-05-05 贝内克-长顺汽车内饰材料(张家港)有限公司 Coating composition for leather surface treatment, preparation method thereof and leather
CN112457695A (en) * 2020-11-16 2021-03-09 深圳市方润环境科技有限公司 Emulsion paint applied to leather
CN112662297A (en) * 2020-12-21 2021-04-16 广东裕田霸力科技股份有限公司 Environment-friendly plasma treatment reinforcing agent for shoes and preparation method thereof
CN113462273A (en) * 2021-06-29 2021-10-01 广东康伴新材料科技有限公司 High-wear-resistance high-hand-sensitivity rubber coating and preparation method thereof
CN114262563A (en) * 2022-01-13 2022-04-01 重庆韩拓科技有限公司 Environment-friendly automotive interior coating and preparation method thereof
CN117165164A (en) * 2023-07-27 2023-12-05 上海九元石油化工有限公司 Leather surface treating agent and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN1071677A (en) * 1991-10-21 1993-05-05 白瑛 A kind of coating and decorating agent for leather
CN102493198A (en) * 2011-12-01 2012-06-13 浙江深蓝轻纺科技有限公司 Bright aqueous polyurethane surface finishing agent for synthetic leather and preparation method thereof
CN102535171A (en) * 2011-12-08 2012-07-04 浙江深蓝轻纺科技有限公司 Waterborne polyurethane finishing agent for matting type synthetic leather and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1071677A (en) * 1991-10-21 1993-05-05 白瑛 A kind of coating and decorating agent for leather
CN102493198A (en) * 2011-12-01 2012-06-13 浙江深蓝轻纺科技有限公司 Bright aqueous polyurethane surface finishing agent for synthetic leather and preparation method thereof
CN102535171A (en) * 2011-12-08 2012-07-04 浙江深蓝轻纺科技有限公司 Waterborne polyurethane finishing agent for matting type synthetic leather and preparation method thereof

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104312406A (en) * 2014-10-28 2015-01-28 福建思嘉环保材料科技有限公司 Environment-friendly wear-proof surface treating agent for inflatable smooth fabric and preparation method of surface treating agent
CN104497834A (en) * 2014-12-10 2015-04-08 山东天庆科技发展有限公司 Water-based leather matting and patching paste and preparation method thereof
CN104894872A (en) * 2015-06-29 2015-09-09 宣乐 Paint applied to surface of wind-resisting textile material
CN105176382A (en) * 2015-08-05 2015-12-23 广州赫厉狮森汽车用品有限公司 Water-based environment-friendly leather coating agent and preparation method thereof
CN106282444A (en) * 2016-08-29 2017-01-04 扬州市德运塑业科技股份有限公司 What a kind of leather preparation process used covers slurry serosity and preparation method thereof
WO2019037262A1 (en) * 2017-08-22 2019-02-28 长春富维安道拓汽车饰件系统有限公司 Coating material and preparation method and spraying method thereof
CN107312438A (en) * 2017-08-22 2017-11-03 长春富维安道拓汽车饰件系统有限公司 A kind of coating material and spraying method of improvement PVC slush moulding epidermis low temperature bursting properties
CN107700227A (en) * 2017-09-21 2018-02-16 晋江市明仨纺织品科技有限公司 A kind of preparation method of Waterproof Breathable resin
CN108978238A (en) * 2018-07-19 2018-12-11 张家港市东方高新聚氨酯有限公司 A kind of polyurethane aqueous surface treating agent of resistance to wiping
CN111100538A (en) * 2018-10-25 2020-05-05 贝内克-长顺汽车内饰材料(张家港)有限公司 Coating composition for leather surface treatment, preparation method thereof and leather
CN109749405A (en) * 2018-12-19 2019-05-14 上海汇得科技股份有限公司 With the preparation method of pseudoplastic use for synthetic leather non-ionic water polyurethane lotion after a kind of thickening
CN109749405B (en) * 2018-12-19 2021-04-09 上海汇得科技股份有限公司 Preparation method of thickened nonionic aqueous polyurethane emulsion with pseudoplasticity for synthetic leather
CN112457695A (en) * 2020-11-16 2021-03-09 深圳市方润环境科技有限公司 Emulsion paint applied to leather
CN112662297A (en) * 2020-12-21 2021-04-16 广东裕田霸力科技股份有限公司 Environment-friendly plasma treatment reinforcing agent for shoes and preparation method thereof
CN113462273A (en) * 2021-06-29 2021-10-01 广东康伴新材料科技有限公司 High-wear-resistance high-hand-sensitivity rubber coating and preparation method thereof
CN114262563A (en) * 2022-01-13 2022-04-01 重庆韩拓科技有限公司 Environment-friendly automotive interior coating and preparation method thereof
CN117165164A (en) * 2023-07-27 2023-12-05 上海九元石油化工有限公司 Leather surface treating agent and preparation method thereof

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