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Waterproof coating used for external walls

A waterproof coating and exterior wall technology, applied in the direction of coating, etc., can solve problems such as peeling off and easy fading of coatings, achieve good water resistance, overcome insufficient water resistance and weather resistance, and have good frost resistance

Inactive Publication Date: 2014-07-02
郑红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a waterproof paint for exterior walls, which solves the problem that the existing paint is easy to fade and fall off

Method used

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Examples

Experimental program
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Embodiment Construction

[0006] The present invention is a kind of waterproof paint for external wall, which is composed of the following components according to mass percentage: 45%~50% acrylate waterproof emulsion, 1.8%~2.0% dispersant, 0.75%~0.9% defoamer, 0.3%~ 0.5% UV absorber, 0.8%~1.0% film-forming aid, 3.5%~3.8% dioctyl phthalate, 0.08%~0.12% ammonia water, 0.05%~0.15% thickener AT-06, balance It is 1250 mesh heavy calcium carbonate, and the sum of the mass percentages of the above components is 100%.

[0007] Wherein, dispersant is ethylene glycol;

[0008] The defoamer is polyoxypropylene glyceryl ether;

[0009] The ultraviolet absorber is 2-hydroxyl-4-n-octyloxybenzophenone;

[0010] The coalescent is 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate.

[0011] The present invention is a waterproof coating for exterior walls. The polyacrylate waterproof emulsion used has excellent low-temperature flexibility, excellent tensile strength, excellent water resistance, alkali resistance, and we...

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PUM

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Abstract

The invention discloses a waterproof coating used for external walls. 100% of the waterproof coating comprises following ingredients, 45 to 50% of acrylic ester waterproof emulsion, 1.8 to 2.0% of a dispersant, 0.75 to 0.9% of an antifoaming agent, 0.3 to 0.5% of an ultraviolet ray absorber, 0.8 to 1.0% of a film forming auxiliary agent, 3.5 to 3.8% of dicapryl phthalate, 0.08 to 0.12% of ammonium hydroxide, 0.05 to 0.15% of thickening agent AT-06, and the balance heavy calcium carbonate of 1250 meshes, wherein the dispersant is ethanediol, the antifoaming agent is polyoxypropylene glycerol ether, the ultraviolet ray absorber is 2- hydroxy-4-n-octoxy-benzophenone, and the film forming auxiliary agent is 2,2,4-trimethyl-1,3-pentanediolmono(2-methylpropanoate). The waterproof coating is capable of solving problems of existing coating that colour fading and shedding are easily caused.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a waterproof coating for exterior walls. Background technique [0002] Usually, the exterior walls of buildings are selected to be painted with paints of various colors. The appearance of such buildings increases its aesthetics because of the color and luster of the paints, but there are also some problems. For example, the water resistance and weather resistance of many existing paints are not good. After years of rain washing, the color will fade or after the alternation of winter and summer, due to the problem of thermal expansion and contraction, cracks will appear on the surface of the paint and the color will fall off. The aesthetics of the building body is greatly reduced, and the falling debris can also cause unsafe hidden dangers. Contents of the invention [0003] The object of the present invention is to provide a waterproof coating for exteri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D7/12
Inventor 郑红
Owner 郑红