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Water-resistant elastic outer wall paint

A technology of elastic exterior walls and coatings, which is applied in coatings and other directions, can solve the problems of poor waterproof performance of coatings, poor decoration, and poor color retention of exterior wall coatings, and achieve ultra-long outdoor durability, excellent weather resistance, and good elasticity The effect of elongation

Inactive Publication Date: 2014-08-20
ANHUI JIAMU RUBBLE & PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are usually the following problems in the application of paint: the waterproof performance of the paint is not good, after it is coated on the outer wall of the building, the outer layer of the paint will fall off and crack after being exposed to wind and rain for a long time. This affects the appearance and waterproof performance of the building; the weather resistance is not good: the exterior wall paint coating is exposed to the atmosphere, and it has to withstand the effects of wind, sun, salt spray corrosion, rain, and changes in temperature and temperature. Under the long-term repeated action of the external natural environment, the coating is prone to cracking, powdering, peeling, discoloration and other phenomena, which makes the coating lose its original decorative protection function; poor decoration: the exterior wall coating has poor color retention and cannot maintain the appearance for a long time. The original decorative nature of the wall
These problems will seriously affect the application of exterior wall coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A waterproof elastic exterior wall paint, the paint is composed of the following components by weight: 100 parts of styrene-acrylic emulsion, 37.5 parts of styrene emulsion, 8 parts of acrylic emulsion, 8 parts of hydroxyethyl cellulose, 6.5 parts of dispersant, disinfectant 1.2 parts of foaming agent, 14 parts of ethylene glycol, 1 part of preservative, 1.5 parts of wetting agent, 45 parts of titanium dioxide, 40 parts of light calcium carbonate, 22 parts of talcum powder, 34 parts of kaolin, 0.5 parts of leveling agent, water 73 copies.

[0013] The coating obtained in Example 1 was coated on the surface of the cement block, and soaked in water at room temperature for 80 days, 90 days, and 100 days without foaming. The coating has good water resistance.

Embodiment 2

[0015] A waterproof elastic exterior wall paint, the paint is composed of the following components by weight: 100 parts of styrene-acrylic emulsion, 35 parts of styrene emulsion, 7 parts of acrylic emulsion, 6 parts of hydroxyethyl cellulose, 5 parts of dispersant, disinfectant 0.8 parts of foaming agent, 12 parts of ethylene glycol, 0.55 parts of preservative, 1 part of wetting agent, 40 parts of titanium dioxide, 35 parts of light calcium carbonate, 20 parts of talcum powder, 33 parts of kaolin, 0.3 parts of leveling agent, water 70 servings.

[0016] The coating obtained in Example 2 was coated on the surface of the cement block, and soaked in water at room temperature for 80 days, 90 days, and 100 days without foaming. The coating has good water resistance.

Embodiment 3

[0018] A waterproof elastic exterior wall paint, the paint is composed of the following components by weight: 100 parts of styrene-acrylic emulsion, 40 parts of styrene emulsion, 9 parts of acrylic emulsion, 10 parts of hydroxyethyl cellulose, 8 parts of dispersant, disinfectant 1.6 parts of foaming agent, 16 parts of ethylene glycol, 1.5 parts of preservative, 2 parts of wetting agent, 50 parts of titanium dioxide, 45 parts of light calcium carbonate, 24 parts of talcum powder, 35 parts of kaolin, 0.7 parts of leveling agent, water 76 servings.

[0019] The coating obtained in Example 3 was coated on the surface of the cement block, and soaked in water at room temperature for 80 days, 90 days, and 100 days without foaming. The coating has good water resistance.

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Abstract

The invention discloses a water-resistant elastic outer wall paint which is prepared from the following components in parts by weight: 100 parts of styrene-acrylic emulsion, 35-40 parts of styrene emulsion, 7-9 parts of acrylic acid emulsion, 6-10 parts of hydroxyethyl cellulose, 5-8 parts of dispersant, 0.8-1.6 parts of defoaming agent, 12-16 parts of ethylene glycol, 0.5-1.5 parts of preservative, 1-2 parts of wetting agent, 40-50 parts of titanium white, 35-45 parts of light calcium carbonate, 20-24 parts of talcum powder, 33-35 parts of kaolin, 0.3-0.7 part of leveling agent and 70-76 parts of water. The outer wall paint has the advantages of excellent weather resistance, excellent water resistance, excellent resistance to chemical attack and excellent molding resistance, and can maintain the original decoration performance of the outer wall for a long time. The outer wall coating formed by the paint has favorable elastic elongation rate and overhigh outdoor durability.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a waterproof elastic exterior wall coating. Background technique [0002] Exterior wall paint is mainly used to paint the exterior of buildings. Its function is anti-ultraviolet and waterproof, so as to achieve the purpose of protecting buildings. In the prior art, there are usually the following problems in the application of paint: the waterproof performance of the paint is not good, after it is coated on the outer wall of the building, the outer layer of the paint will fall off and crack after being exposed to wind and rain for a long time. This affects the appearance and waterproof performance of the building; the weather resistance is not good: the exterior wall paint coating is exposed to the atmosphere, and it has to withstand the effects of wind, sun, salt spray corrosion, rain, and changes in temperature and temperature. Under the long-term repeated action of the exter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D125/04C09D133/00C09D7/12
Inventor 叶春会王泽平
Owner ANHUI JIAMU RUBBLE & PLASTIC IND
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