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Anti-crack, waterproof and weather-resistant building coating and preparation method therefor

A kind of architectural coating and weather-resistant technology, which is applied in anti-corrosion coatings, polyester coatings, polyamide coatings, etc., can solve problems such as difficult quality assurance, construction difficulties, and rising costs, and achieve excellent anti-corrosion performance, improve waterproof effect, and waterproof performance good effect

Inactive Publication Date: 2016-06-01
毛学辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the existing waterproof coatings have great harm to the human body and the environment, and are prone to aging, cracking, deformation, breaking, and delamination. For places with complex shapes, construction is difficult, and for leakage, quality It is difficult to guarantee that every few years, it will cost a lot of money and labor for repair, which makes the cost continue to rise and affects the service life of the building

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An anti-cracking, waterproof, and weather-resistant architectural coating, including the following components by mass:

[0026] 30 parts of polyvinyl alcohol, 15 parts of polypropylene emulsion, 15 parts of silica sol, 10 parts of polyamide, 5 parts of quicklime, 20 parts of castor oil, 5 parts of defoamer, 5 parts of plasticizer, 12 parts of potassium oxide, 2 parts of zinc oxide Parts, 10 parts aluminum oxide, 30 parts polyvinyl acetate, 15 parts methyl methacrylate, 15 parts phenolic resin, 10 parts heavy calcium carbonate, 5 parts bentonite, 1 part nano-silica, 1 part dispersant , 0.2 parts of quick-drying agent, 0.3 parts of film-forming aids, 10 parts of vinylidene difluoro resin, 5 parts of acrylic resin, 20 parts of diethylene glycol butyl ether, 15 parts of xylene, 10 parts of saturated carboxy-terminated polyester resin, 80 parts of deionized water.

[0027] Further, the defoamer is simethicone.

[0028] Further, the plasticizer is dibutyl phthalate.

[0029] Furthe...

Embodiment 2

[0042] An anti-cracking, waterproof, and weather-resistant architectural coating, including the following components by mass:

[0043] 80 parts of polyvinyl alcohol, 30 parts of polypropylene emulsion, 20 parts of silica sol, 15 parts of polyamide, 10 parts of quicklime, 25 parts of castor oil, 20 parts of defoamer, 10 parts of plasticizer, 15 parts of potassium oxide, 10 parts of zinc oxide Parts, 12 parts aluminum oxide, 50 parts polyvinyl acetate, 30 parts methyl methacrylate, 25 parts phenolic resin, 15 parts heavy calcium carbonate, 10 parts bentonite, 10 parts nano-silica, 3 parts dispersant , 1.5 parts of quick-drying agent, 3 parts of film-forming aids, 15 parts of vinylidene difluoro resin, 15 parts of acrylic resin, 30 parts of diethylene glycol butyl ether, 20 parts of xylene, 20 parts of saturated carboxy-terminated polyester resin, 100 parts of deionized water.

[0044] Further, the defoamer is octanol.

[0045] Further, the plasticizer is dibutyl phthalate.

[0046] Fu...

Embodiment 3

[0059] An anti-cracking, waterproof, and weather-resistant architectural coating, including the following components by mass:

[0060] 55 parts of polyvinyl alcohol, 20 parts of polypropylene emulsion, 17 parts of silica sol, 12 parts of polyamide, 7 parts of quicklime, 22 parts of castor oil, 10 parts of defoamer, 7 parts of plasticizer, 13 parts of potassium oxide, 6 parts of zinc oxide Parts, 11 parts of aluminum oxide, 40 parts of polyvinyl acetate, 20 parts of methyl methacrylate, 17 parts of phenolic resin, 12 parts of heavy calcium carbonate, 7 parts of bentonite, 5 parts of nano silica, 2 parts of dispersant , 1 part quick-drying agent, 2 parts film-forming aids, 12 parts vinylidene difluoro resin, 10 parts acrylic resin, 25 parts diethylene glycol butyl ether, 17 parts xylene, 15 parts saturated carboxy-terminated polyester resin, 90 parts of deionized water.

[0061] Further, the defoamer is a combination of dimethyl silicone oil and octanol.

[0062] Further, the plastic...

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PUM

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Abstract

The invention discloses a preparation method for an anti-crack, waterproof and weather-resistant building coating. The building coating comprises the following components: polyvinyl alcohol, polyacrylic emulsion, silica sol, polyamide, quick lime, castor oil, potassium oxide, zinc oxide, aluminum oxide, polyvinyl acetate, methyl methacrylate, phenolic resin, heavy calcium carbonate, bentonite and the like. The building coating provided by the invention is strong in binding power and anti-crack, thereby improving the waterproof effect; the building coating can be constructed on the wet or dry basic surfaces of various materials and is good in waterproof performance, nontoxic, harmless and long in service life; and the performance indexes of the hardness, water resistance, alkali resistance and scrubbing resistance of the coating after film formation are all relatively high, and meanwhile, the coating has excellent corrosion resistance and extremely good weather resistance.

Description

Technical field [0001] The invention relates to a building material formula and a preparation method thereof, in particular to a preparation method of a crack-resistant, waterproof and weather-resistant architectural paint. Background technique [0002] Coating is a continuous thin film coating that is applied to the surface of the object being protected or decorated and can form a firm adhesion with the object to be coated. Because the coating is exposed to the atmosphere, changes in cold and heat, air oxidation, etc., the coating is easy The occurrence of cracking, chalking, peeling, discoloration and other phenomena is the loss of the original decorative protection function of the coating. This problem will cause trouble to the residents, so we should develop an elastic waterproof and anti-crack coating product that integrates decoration, anti-crack, and waterproof lamps. [0003] Architectural coatings are a kind of coating products used for house decoration. Some buildings ha...

Claims

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Application Information

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IPC IPC(8): C09D129/04C09D177/00C09D191/00C09D131/04C09D161/06C09D127/16C09D167/00C09D133/00C09D5/08C09D7/12
CPCC09D129/04C08K2201/011C08K2201/014C08L2201/08C08L2205/035C09D5/08C09D7/61C09D7/63C09D131/04
Inventor 毛学辉
Owner 毛学辉
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