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Environment-friendly water-based paint and preparation method thereof

A water-based paint, environmental protection technology, applied in the direction of lignin paint, chitin polysaccharide paint, hyaluronic acid paint, etc., can solve the problems of shrinkage and deformation of the paint, cracking of the paint, etc., to reduce cracking, reduce drying shrinkage, and excellent performance Effect

Inactive Publication Date: 2022-03-18
SUZHOU COLOR WAY ENTERPRISE DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, bentonite is easy to absorb water and swell. During the drying process of the coating, due to the volatilization of water, the dehydration of bentonite may cause the coating to shrink and deform, which may cause cracking of the coating.

Method used

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  • Environment-friendly water-based paint and preparation method thereof
  • Environment-friendly water-based paint and preparation method thereof
  • Environment-friendly water-based paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Environmentally friendly water-based paint raw materials include the following components: water-based polyurethane 50kg, bentonite 15kg, chitosan quaternary ammonium salt 9kg, lignin fiber 13kg, polyepichlorohydrin dimethylamine 6kg, far-infrared ceramic powder 3kg, cetyl tris Methyl ammonium bromide 2kg, anti-cracking agent 10kg, dispersant 6kg, anti-aging agent 2 parts, water 52kg. Environmentally friendly water-based paint raw materials also include 3kg of film-forming aids and 1kg of wetting agents. The film-forming aids include but not limited to ethylene glycol, the wetting agents include but not limited to propylene glycol, and the anti-aging agent is titanium dioxide.

[0038] Wherein the dispersant is starch phosphate. The anti-cracking agent includes sodium alginate and hydroxypropyl methylcellulose, and the mass ratio of sodium alginate and hydroxypropyl methylcellulose is 3:1.

[0039] A preparation method for environment-friendly water-based paint, compri...

Embodiment 2-10

[0044] The difference between Example 2-10 and Example 1 is that the component content of Example 2-10 is different from that of Example 1, see Table 1 for details.

[0045] Table 1 embodiment 1-10 component content table

[0046]

[0047]

Embodiment 19

[0049] The difference between Example 19 and Example 3 is that the raw materials of the water-based environmental protection paint also include the following components: 7kg of hydroxyapatite and 20kg of erythritol.

[0050] The difference between the preparation method of the water-based paint of Example 19 and the preparation method of the water-based paint of Example 3 is: cetyltrimethylammonium bromide and hydroxyapatite are mixed for 10 minutes at a speed of 60 rpm , to obtain the second premix; dispersant, anti-cracking agent main agent and far-infrared ceramic powder are added in the first premix, and at 60 rpm, mix for 20 minutes, then add chitosan quaternary ammonium salt, The second premixture, erythritol and polyepichlorohydrin dimethylamine were mixed for 20 minutes at a speed of 60 rpm to obtain a water-based paint.

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Abstract

The invention relates to the field of water-based paint, and particularly discloses environment-friendly water-based paint and a preparation method thereof.The environment-friendly water-based paint is prepared from, by weight, 50-90 parts of waterborne polyurethane, 12-21 parts of bentonite, 9-16 parts of chitosan quaternary ammonium salt, 10-20 parts of lignin fiber, 5-9 parts of polyepichlorohydrin dimethylamine and 3-6 parts of far-infrared ceramic powder. 1-3 parts of hexadecyl trimethyl ammonium bromide, 6-12 parts of an anti-cracking agent, 5-11 parts of a dispersing agent, 1-3 parts of an anti-aging agent and 52-89 parts of water. Therefore, the cracking phenomenon after the coating is dried can be effectively reduced.

Description

technical field [0001] The application relates to the field of water-based paint, more specifically, it relates to an environmentally friendly water-based paint and a preparation method thereof. Background technique [0002] Coating is a kind of commonly used material, and coating is mainly coated on object surface to form coating, and coating can play the effect such as protection and decoration object. Coatings are generally composed of film-forming substances, pigments, solvents and additives. According to different solvents, coatings can be divided into water-based coatings and oil-based coatings. [0003] Water-based coatings are coatings that use water as a solvent or as a dispersion medium. Water-based coatings use water as a solvent, saving a lot of resources, and water-based coating tools can be cleaned with water, greatly reducing the consumption of cleaning solvents. Moreover, bentonite is often added to the paint to improve the smoothness and bonding properties ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D105/08C09D197/00C09D7/65C09D7/63C09D7/61
CPCC09D175/04C09D7/65C09D7/63C09D7/61C08L97/005C08L5/08C08L67/04C08K3/346C08K5/5435C08K3/32C08K5/19
Inventor 罗义云李磨
Owner SUZHOU COLOR WAY ENTERPRISE DEV
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