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Dry-powder paint based on surface-modified shell powder

A technology of surface modification and dry powder coating, applied in the direction of coating, etc., can solve the problems of limited adsorption capacity and weak adsorption capacity, and achieve the effect of adsorbing harmful gases, high adhesion and improving porosity

Inactive Publication Date: 2019-01-25
吉林省金贝壳新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although raw shell powder paint itself does not produce a large amount of harmful substances, it has a weak ability to absorb harmful substances produced by other home improvement products.
The calcined shell powder coating has a certain adsorption capacity, but the adsorption capacity is still limited

Method used

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  • Dry-powder paint based on surface-modified shell powder
  • Dry-powder paint based on surface-modified shell powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A dry powder coating based on surface-modified shell powder, made of the following raw materials in parts by weight: 200 parts of surface-modified shell powder, particle size: 14.76 μm-13.15 μm; 180 parts of ash calcium, particle size: 25.15 μm; kaolin: 50 parts, particle size: 9.85 μm; heavy calcium powder: 350 parts, particle size: 11.25 μm; talcum powder: 100 parts, particle size: 11.78 μm; titanium dioxide 10 parts, vinyl acetate 200 parts, hydroxypropyl methylcellulose 10 parts 3 parts, 3 parts of dispersant, 2 parts of defoamer, 0.5 part of water reducer, 5 parts of anti-mold and fungicide.

Embodiment 2

[0044] A dry powder coating based on surface-modified shell powder, made of the following raw materials in parts by weight: 300 parts of surface-modified shell powder, particle size: 14.76 μm-13.15 μm; 220 parts of ash calcium, particle size: 25.15 μm; kaolin: 40 parts, particle size: 9.85 μm; heavy calcium powder: 300 parts, particle size: 11.25 μm; talcum powder: 85 parts, particle size: 11.78 μm; titanium dioxide 25 parts, vinyl acetate 180 parts, hydroxypropyl methylcellulose 12 parts 3 parts, 3 parts of dispersant, 2 parts of defoamer, 0.5 part of water reducer, 5 parts of anti-mold and fungicide.

Embodiment 3

[0046] A dry powder coating based on surface-modified shell powder, made of the following raw materials in parts by weight: 400 parts of surface-modified shell powder, particle size: 14.76 μm-13.15 μm; 250 parts of ash calcium, particle size: 25.15 μm; kaolin: 35 parts, particle size: 9.85 μm; heavy calcium powder: 250 parts, particle size: 11.25 μm; talcum powder: 70 parts, particle size: 11.78 μm; titanium dioxide 32 parts, vinyl acetate 150 parts, hydroxypropyl methylcellulose 13 parts 3 parts, 3 parts of dispersant, 2 parts of defoamer, 0.5 part of water reducer, 5 parts of anti-mold and fungicide.

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Abstract

The invention relates to dry-powder paint based on surface-modified shell powder, which belongs to the technical field of inner wall dry-powder paint. The surface modified shell powder used in the dry-powder paint is calcined and catalyzed at a high temperature, so that the surface porosity of the shell powder can be improved; and gel-form titanium dioxide, active white clay and white bamboo charcoal are selected to absorb the surface of the high-temperature calcined shell powder. By virtue of the high-temperature calcining surface absorption, the surface energy of the shell powder is high, the shell powder is easy to agglomerate in an application process, the agglomeration results in cracks of a dry film when heated, and the heat resistance and aging resistance of the material are reduced. A titanate coupling agent is used for performing the surface modification treatment on the shell powder, and the surface energy can be reduced, so that the modified shell powder can be uniformly dispersed in a system, and the heat resistance and aging resistance of a paint film can be improved. The problems of an indoor wall material such as yellowing, mildew, bubbling, discoloration, cracks, short service life, and breeding of a great amount of bacteria after being wetted can be effectively avoided, and the dry-powder paint has the characteristics that the harmful gases in the air can be absorbed, and the bacteria proliferation can be inhibited.

Description

technical field [0001] The invention belongs to the technical field of dry powder paint for interior walls, in particular to a dry powder paint based on surface-modified shell powder. Background technique [0002] In today's technology, as people's demand for health awareness continues to increase, traditional wall materials have a significant impact on residents' comfort and health due to the release of harmful substances and odors. The environment where traditional wall materials exist, such as formaldehyde, benzene, ammonia, radon, organic compounds, TVOC, and heavy metal pollution. [0003] Shell powder coatings are born in response to needs, meeting people's health, environmental protection, and aesthetic needs for modern wall materials. Since then, interior wall decoration materials have entered a new era-"shell powder era". Most of the shell powder coatings currently used are raw shell powder and calcined shell powder. Although raw shell powder coating itself does n...

Claims

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Application Information

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IPC IPC(8): C09D4/06C09D7/61C09D7/65
CPCC09D4/06C09D7/61C09D7/65
Inventor 张野南张鑫谷崇巍曹克李忠亮
Owner 吉林省金贝壳新材料科技有限公司
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