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Weather-resistant waterproof elastic galling paint and preparation method thereof

A brushed paint, weather-resistant technology, applied in the field of chemical coatings, can solve the problems of color retention and other artificial aging resistance can not pass the standard, elastic exterior paint does not have waterproof function, waterproof paint does not have weather resistance and other problems, to achieve the goal. Good visual effect and convenient painting effect

Inactive Publication Date: 2021-12-21
河北三棵树涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional elastic exterior wall paint does not have waterproof function, and its impermeability cannot pass the standard, while waterproof coating does not have weather resistance, and artificial aging resistance such as color retention cannot pass the standard

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] A preparation method of weather-resistant waterproof elastic brushed paint, the preparation method comprises the following steps:

[0024] S1: Add pure acrylic emulsion into the dispersion tank, and add defoamer, dispersant, wetting agent and AMP-95 multifunctional additive according to a certain proportion, and stir at 300-600 rpm for 2-6 minutes until evenly mixed;

[0025] S2: Continue to add titanium dioxide and heavy calcium to the dispersion tank for stirring, stir at a speed of 500-800 rpm for 5-10 minutes, and add water, organic silicon additives, and film-forming additives in sequence during the stirring process. Stirring agent, pH regulator;

[0026] S3: Add antifreeze, thickener, water-based UV absorber, and leveling agent to the intermediate product obtained in step S2, and stir at a speed of 1200-1500 rpm for 5-9 minutes until a uniform weather-resistant type is obtained Waterproof elastic brushed paint.

specific Embodiment 1

[0028] A weather-resistant waterproof elastic brushed paint, the composition of the brushed paint and the percentage content of each component are: pure acrylic emulsion 42%, titanium dioxide 12%, heavy calcium 24%, film-forming aid 0.6%, antifreeze 1%, Silicone additive 1.2%, defoamer 1.2%, dispersant 0.6%, wetting agent 0.7%, pH regulator 0.7%, thickener 0.1%, water-based UV absorber 0.6%, AMP-95 multifunctional additive 0.1%, leveling agent 0.8%, and the balance is water.

[0029] A preparation method of weather-resistant waterproof elastic brushed paint, the preparation method comprises the following steps:

[0030] S1: Add pure acrylic emulsion into the dispersion tank, and add defoamer, dispersant, wetting agent and AMP-95 multifunctional additive according to a certain proportion, stir at 400 rpm for 3 minutes, until Uniform;

[0031] S2: Continue to add titanium dioxide and heavy calcium to the dispersion tank for stirring, stir at a speed of 700 rpm for 8 minutes, a...

specific Embodiment 2

[0034] A weather-resistant waterproof elastic brushed paint, the composition of the brushed paint and the percentage content of each component are: 50% of pure acrylic emulsion, 10% of titanium dioxide, 25% of heavy calcium, 1% of film-forming aid, 1% of antifreeze, Silicone additive 1.5%, defoamer 1.2%, dispersant 0.5%, wetting agent 0.8%, pH regulator 0.3%, thickener 0.1%, water-based UV absorber 0.6%, AMP-95 multifunctional additive 0.2%, leveling agent 1%, and the balance is water.

[0035] A preparation method of weather-resistant waterproof elastic brushed paint, the preparation method comprises the following steps:

[0036] S1: Add pure acrylic emulsion into the dispersion tank, and add defoamer, dispersant, wetting agent and AMP-95 multifunctional additive according to a certain proportion, and stir for 6 minutes at a speed of 500 rpm until the Uniform;

[0037] S2: Continue to add titanium dioxide and heavy calcium to the dispersing tank for stirring, and stir at a ...

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PUM

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Abstract

The invention discloses a weather-resistant waterproof elastic galling paint. The galling paint is prepared from the following components in percentage by weight: 38 to 55 percent of pure acrylic emulsion, 10 to 15 percent of titanium dioxide, 20 to 30 percent of ground calcium carbonate, 0.5 to 1 percent of coalescing agent, 1 to 1.5 percent of antifreezing agent, 1 to 1.5 percent of organic silicon additive, 1.1 to 1.5 percent of defoaming agent, 0.5 to 1 percent of dispersing agent, 0.5 to 0.8 percent of wetting agent, 0.2 to 0.7 percent of pH regulator, 0.1 to 0.5 percent of thickening agent, 0.5 to 1.2 percent of water-based ultraviolet light absorber, 0.1 to 0.4 percent of AMP-95 multifunctional additive, 0.8 to 1 percent of flatting agent and the balance of water. The invention also provides a preparation method of the weather-resistant waterproof elastic galling paint. According to the weather-resistant waterproof elastic galling paint prepared by the preparation method disclosed by the invention, the solid content meets the requirements, the elastic performance, the waterproof performance and the weather resistance can meet the requirements, the weather resistance can resist artificial aging for over 1000 hours, and the performance indexes about the elongation at break can pass the standard after acid treatment, alkali treatment and artificial aging resistance treatment, and the method has obvious performance advantages.

Description

technical field [0001] The invention relates to the technical field related to chemical coatings, in particular to a weather-resistant waterproof elastic brushed paint and a preparation method thereof. Background technique [0002] With the gradual improvement of national living standards and the gradual upgrading of people's consumption, the quality requirements for building exterior wall coating products are getting higher and higher. However, topcoats with waterproof function, elastic function and weather resistance are more and more widely used, and consumers have higher and higher requirements for the paint film performance of exterior wall coatings. [0003] During the painting process of exterior wall paint, due to various reasons, the product is often reworked, which will involve the repainting performance of the topcoat. Conventional elastic exterior wall paint does not have waterproof function, and its impermeability cannot pass the standard, while waterproof coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/61
CPCC09D133/04C09D7/61C08K2003/2241C08K2003/265C08K3/22C08K3/26
Inventor 郭新明付绍祥林昌庆
Owner 河北三棵树涂料有限公司
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