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A waterproof and weather-resistant acrylic exterior wall coating

A technology of acrylic and exterior wall coatings, applied in the direction of coating, etc., to achieve the effects of long service life, excellent weather resistance and good waterproof performance

Active Publication Date: 2017-01-18
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although waterproof coatings are developing rapidly, the weather resistance and waterproof performance of waterproof coatings need to be further improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of waterproof and weather-resistant acrylate exterior wall paint that the present invention proposes, its raw material comprises by weight percentage: 30% acrylate emulsion, 8% ethylene-vinyl acetate copolymer emulsion, 20% paraffin emulsion, 2% propylene glycol methyl ether acetate and 40% accessories;

[0016] The acrylate emulsion is prepared by the following process: 40 parts of elastic acrylate copolymer emulsion and 50 parts of silica sol are placed in a reactor in parts by weight, stirred at a high speed at 65°C, and then 4 parts of coupling agent and 2 parts of 1 part of modified sodium lauryl sulfate was prepared by stirring evenly;

[0017] The auxiliary materials include by weight: 16 parts of barite powder, 10 parts of wollastonite powder, 20 parts of titanium dioxide, 0.5 parts of wetting and dispersing agent, 3 parts of defoaming agent, 1 part of hydroxyethyl cellulose, 1,2-benzo 1.8 parts of isothiazol-3-one, 1 part of ammonia water, 12 parts of w...

Embodiment 2

[0019] A kind of waterproof and weather-resistant acrylic ester exterior wall paint that the present invention proposes, its raw material comprises by weight percentage: 20% acrylate emulsion, 5% ethylene-vinyl acetate copolymer emulsion, 20% paraffin emulsion, 5% propylene glycol methyl ether acetate and 50% accessories;

[0020] The acrylate emulsion is prepared by the following process: 50 parts by weight of elastic acrylate copolymer emulsion and 45 parts of silica sol are placed in a reactor, stirred at a high speed at 68°C, and then 3.5 parts of coupling agent and 3 1 part of modified sodium lauryl sulfate was prepared by stirring evenly;

[0021] The auxiliary materials include by weight: 10 parts of barite powder, 15 parts of wollastonite powder, 15 parts of titanium dioxide, 1.3 parts of wetting and dispersing agent, 1.5 parts of defoaming agent, 1.5 parts of hydroxyethyl cellulose, 1,2-benzo 1 part of isothiazol-3-one, 1.2 parts of ammonia water, 6 parts of water. ...

Embodiment 3

[0023] A kind of waterproof and weather-resistant acrylate exterior wall paint that the present invention proposes, its raw material comprises by weight percentage: 20% acrylate emulsion, 5% ethylene-vinyl acetate copolymer emulsion, 24% paraffin emulsion, 6% propylene glycol methyl ether acetate and 45% excipients;

[0024] The acrylate emulsion is prepared by the following process: 55 parts by weight of elastic acrylate copolymer emulsion and 40 parts of silica sol are placed in a reactor, stirred evenly at a high speed at 70°C, and then 2 parts of coupling agent and 5 parts of 1 part of modified sodium lauryl sulfate was prepared by stirring evenly;

[0025] The auxiliary materials include by weight: 14 parts of barite powder, 14 parts of wollastonite powder, 16 parts of titanium dioxide, 1.2 parts of wetting and dispersing agent, 1.6 parts of defoamer, 1.4 parts of hydroxyethyl cellulose, 1,2-benzo 1.4 parts of isothiazol-3-one, 1.1 parts of ammonia water, 10 parts of wat...

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Abstract

The invention discloses a waterproof weather-resistant acrylate exterior wall coating, comprising the following raw materials by weight: 20 to 30% of acrylate emulsion, 5 to 15% of ethylene-vinyl acetate copolymer emulsion, 20 to 30% of paraffin emulsion, 2 to 6% of propylene glycol monomethyl ether acetate and 40 to 50% of an accessory material. The acrylate emulsion is prepared through the following process procedures: placing 40 to 55 parts by weight of acrylate copolymer emulsion and 40 to 50 parts by weight of a silica sol in a reactor; carrying out high-speed uniform stirring at 65 to 70 DEG C; and then adding 2 to 4 parts of a coupling agent and 2 to 4 parts of modified sodium laurylsulfate and carrying out uniform stirring. The accessory material comprises, by weight, 10 to 16 parts of barite powder, 10 to 15 parts of wollastonite powder, 15 to 20 parts of titanium dioxide, 0.5 to 1.3 parts of a wetting dispersant, 1.5 to 3 parts of an antifoaming agent, 1 to 1.5 parts of hydroxyethyl cellulose, 1 to 1.8 parts of 1,2-benzoisothiazole-3-one, 1 to 1.2 parts of ammonia water and 6 to 12 parts of water.

Description

technical field [0001] The invention relates to the technical field of acrylic paints, in particular to a waterproof and weather-resistant acrylic paint for exterior walls. Background technique [0002] The variety of waterproof coatings in my country has developed extremely rapidly. At present, many waterproof coatings with excellent performance have been developed, such as high-temperature waterproof coatings, antistatic waterproof coatings, high-elastic waterproof coatings, non-toxic waterproof coatings, etc. With the development of high-performance waterproof coatings The continuous development and application of waterproof coating has important scientific value and social value. Although waterproof coatings are developing rapidly, the weather resistance and waterproof performance of waterproof coatings still need to be further improved. Contents of the invention [0003] The invention provides a waterproof and weather-resistant acrylate exterior wall coating, which ha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/08C09D123/08C09D5/00C09D7/12
Inventor 胡昌悌
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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