Self-cleaning coating

A self-cleaning, coating technology, applied in the direction of coating, etc., can solve the problems of easy aging of coating film, wall cracking, wall leakage, etc., and achieve long-lasting stain resistance, strong coating stability, antibacterial and anti-corrosion properties Good results

Inactive Publication Date: 2014-10-22
芜湖朗润新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Acrylic glossy emulsion paints for walls are all thin coatings. It is a thin coating made of organic polymer materials as the main film-forming substance, plus different pigments, fillers and aggregates. It is water-resistant, acid-resistant, and alkali-resistant. , freeze-thaw resistance and other characteristics, the current coatings on the market have imperfect functions and defects. The main disadvantage of this coating is that the elasticity of the coating film is easy to age, resulting in a decrease in elongation, and it cannot effectively protect the strength of the bottom layer of the wall. As a result, the wall surface cracks and falls off, which not only affects the appearance of the building, but also causes the wall surface to crack and cause water leakage on the wall surface.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of self-cleaning paint, it is made up of the raw material of following weight part:

[0021] Acrylate emulsion 52.1, 2,4-dimethylacetophenone 0.2, ureapropyltriethoxysilane 0.6, zinc oxide 0.4, methyl p-hydroxybenzoate 0.4, illite powder 6, titanium dioxide 18, polyacrylate butyl Ester 2, 2-amino-2-methyl-1-propanol 1.3, ethylene bisstearamide 1.3, film-forming aid 5, deionized water 40;

[0022] Described film-forming aid is made up of the raw material of following weight part:

[0023] Acrylate 20, aminotrimethylene phosphonic acid 1, edetate disodium 3, aminopropyltriethoxysilane 0.1, seabuckthorn oil 2, potassium persulfate 0.7, water 60;

[0024] Mix acrylate and aminopropyltriethoxysilane, stir and mix at 60°C for 7 minutes, add to the above water, add potassium persulfate while stirring, and stir evenly;

[0025] Mix disodium edetate and aminotrimethylene phosphonic acid, stir evenly, add seabuckthorn oil, stir and mix at 60°C for 5 minutes, and cool to ...

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PUM

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Abstract

The invention discloses a self-cleaning coating, which is composed of the following raw materials by weight: 52.1-60 parts of acrylate emulsion, 0.1-0.2 part of 2, 4-dimethyl acetophenone, 0.6-1 part of ureido propyltriethoxysilane, 0.4-1 part of zinc oxide, 0.4-1 part of methylparaben, 4-6 parts of illite powder, 14-18 parts of titanium white, 2-3 parts of Poly (butyl acrylate), 1.3-2 parts of 2-amino-2-methyl-1-propanol, 1.3-2 parts of ethylene bis stearamide, 5-7 parts of a film forming assistant and 26-40 parts of deionized water, the self-cleaning coating is long-lasting in stain resistance, can achieve the self-cleaning effect through the rain washing, is especially suitable for building exterior wall coatings, the coating stability is strong, antibacterial anti-corrosive properties are good, and the comprehensive quality is high.

Description

technical field [0001] The invention mainly relates to the field of coatings, in particular to a self-cleaning coating. Background technique [0002] Acrylic glossy emulsion paints for walls are all thin coatings. It is a thin coating made of organic polymer materials as the main film-forming substance, plus different pigments, fillers and aggregates. It is water-resistant, acid-resistant, and alkali-resistant. , freeze-thaw resistance and other characteristics, the current coatings on the market have imperfect functions and defects. The main disadvantage of this coating is that the elasticity of the coating film is easy to age, resulting in a decrease in elongation, and it cannot effectively protect the strength of the bottom layer of the wall. As a result, cracking and falling off of the wall surface not only affects the appearance of the building, but also cracks the wall surface, causing water leakage on the wall surface. Contents of the invention [0003] The obj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/12
Inventor 王金波梁威
Owner 芜湖朗润新材料有限公司
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