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Exterior paint

A technology for exterior wall coatings and raw materials, applied in the field of building decoration materials, can solve problems such as lack of heat insulation effect and poor elastic adhesion, and achieve the effect of strong dynamic crack resistance, good elastic adhesion, and not easy to crack and fall off

Active Publication Date: 2016-09-14
山东正大防水材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of exterior wall coating has high alkali resistance and water resistance, but it still has the problem of poor elastic adhesion and lack of heat insulation effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The exterior wall paint is made of the following raw materials in parts by weight: 15 parts of mica powder, 20 parts of marble, 10 parts of polyvinyl alcohol, 8 parts of acrylic resin, 0.2 part of lignocellulose, 5 parts of fibrous wollastonite powder, heavy carbonic acid 10 parts of calcium, 7 parts of asbestos fiber, 0.1 part of titanium dioxide, 1 part of antifreeze, 50 parts of water.

[0015] The preparation method of the exterior wall paint is: adding mica powder, marble, polyvinyl alcohol, acrylic resin, lignocellulose, fibrous wollastonite powder, heavy calcium carbonate, asbestos fiber, titanium dioxide and antifreeze in parts by weight Add an appropriate amount of pigment in water, stir and disperse at a high speed in a disperser, and adjust the PH and viscosity of the paint to reach the standard after being uniform.

Embodiment 2

[0017] The exterior wall paint is made of the following raw materials in parts by weight: 8 parts of mica powder, 40 parts of marble, 3 parts of polyvinyl alcohol, 3 parts of acrylic resin, 0.4 part of lignocellulose, 1 part of fibrous wollastonite powder, heavy carbonic acid 30 parts of calcium, 15 parts of asbestos fiber, 0.8 parts of titanium dioxide, 3 parts of antifreeze, 100 parts of water.

[0018] The preparation method of the exterior wall paint is: adding mica powder, marble, polyvinyl alcohol, acrylic resin, lignocellulose, fibrous wollastonite powder, heavy calcium carbonate, asbestos fiber, titanium dioxide and antifreeze in parts by weight Add an appropriate amount of pigment in water, stir and disperse at a high speed in a disperser, and adjust the PH and viscosity of the paint to reach the standard after being uniform.

Embodiment 3

[0020] The exterior wall paint is made of the following raw materials in parts by weight: 11 parts of mica powder, 30 parts of marble, 7 parts of polyvinyl alcohol, 5 parts of acrylic resin, 0.3 part of lignocellulose, 4 parts of fibrous wollastonite powder, heavy carbonic acid 20 parts of calcium, 10 parts of asbestos fiber, 0.5 parts of titanium dioxide, 2 parts of antifreeze, 70 parts of water.

[0021] The preparation method of the exterior wall paint is: adding mica powder, marble, polyvinyl alcohol, acrylic resin, lignocellulose, fibrous wollastonite powder, heavy calcium carbonate, asbestos fiber, titanium dioxide and antifreeze in parts by weight Add an appropriate amount of pigment in water, stir and disperse at high speed in a disperser, and adjust the PH and viscosity of the coating to reach the standard after being uniform.

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PUM

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Abstract

The invention discloses an external wall coating which is prepared from the following raw materials in parts by weight: 8-15 parts of mica powder, 20-40 parts of marbles, 3-10 parts of polyvinyl alcohol, 3-8 parts of acrylic resin, 0.2-0.4 part of lignocellulose, 1-5 parts of fibrous silicon ash powder, 10-30 parts of weight-calcium carbonate, 7-15 parts of asbestos fibers, 0.1-0.8 part of titanium dioxide, 1-3 parts of an anti-freezing agent and 50-100 parts of water. All the raw materials adopted by the external wall coating are natural minerals, so that the external wall coating is high in bonding strength and high in dynamic cracking resistance; the external wall coating has the characteristics of low expansion rate, high elastic viscosity, resistance to irradiation of ultraviolet rays, difficulty in cracking and falling, high acid and alkali resistance and long service life.

Description

technical field [0001] The invention relates to a building decoration material, in particular to an exterior wall coating. Background technique [0002] Coating is one of the indispensable materials in the field of construction. Its main function is to protect the surface of buildings to make them waterproof, stain-resistant, heat-insulating or anti-ultraviolet. Advanced exterior wall coatings also have self-cleaning properties. It will fall in one rush. Existing architectural coatings generally contain film-forming emulsions (base materials), pigments, fillers, film-forming aids, defoamers, and water, among which the fillers are mostly inert substances such as talcum powder, which have poor acid and alkali resistance and waterproof performance. , and the paint often cracks and peels off due to poor adhesion after construction, which cannot protect the exterior wall of the building and is not beautiful. [0003] Most of the heat in buildings comes from solar radiation. In ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/28
Inventor 韦棋
Owner 山东正大防水材料股份有限公司
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