Environment-friendly exterior wall coating and construction process thereof

An exterior wall coating and environmental protection technology, applied in the direction of epoxy resin coating, anti-corrosion coating, coating, etc., can solve the problems of adhesion, water resistance and aging resistance, inconsistent temperature and building impact, etc., to increase the anti-corrosion Corrosion ability, improve adhesion, reduce the effect of harm

Inactive Publication Date: 2019-06-21
天津市青龙建筑安装工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the existing coatings experience wind and sun, the adhesion, water resistance, and aging resistance of the coatings will all decline. After the adhesion and water resistance of the coatings become worse, after rainwater enters the coating layer, the coating layer will be damaged. The temperature inside the paint layer is inconsistent with the temperature outside the paint layer, resulting in cracking of the paint layer, which also has a certain impact on the building.

Method used

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  • Environment-friendly exterior wall coating and construction process thereof
  • Environment-friendly exterior wall coating and construction process thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] Example 1

[0036] An environmentally-friendly exterior wall paint, in parts by weight, the raw materials include 35 parts of styrene-acrylic emulsion, 15 parts of epoxy resin, 15 parts of polyvinyl alcohol, 5 parts of silane coupling agent, 12 parts of nano zinc oxide, and 2 parts of wollastonite powder Parts, 5 parts of water, 6 parts of titanium dioxide, 1.1 parts of curing agent, 1.2 parts of defoaming agent, 8 parts of carboxymethyl cellulose, 4 parts of activated carbon, 1.2 parts of sodium lignosulfonate; the curing agent is polyisocyanate, defoaming The agent is polydimethylsiloxane.

Example Embodiment

[0037] Example 2

[0038] An environmentally-friendly exterior wall paint, in parts by weight, the raw materials include 45 parts of styrene acrylic emulsion, 20 parts of epoxy resin, 20 parts of polyvinyl alcohol, 10 parts of silane coupling agent, 16 parts of nano zinc oxide, and 4 parts of wollastonite powder Parts, 8 parts of water, 9 parts of titanium dioxide, 1.4 parts of curing agent, 1.4 parts of defoaming agent, 12 parts of carboxymethyl cellulose, 7 parts of activated carbon, 1.7 parts of sodium lignosulfonate; among them, the curing agent adopts polyisocyanate, defoaming The agent is polydimethylsiloxane.

Example Embodiment

[0039] Example 3

[0040] An environmentally-friendly exterior wall paint, in parts by weight, the raw materials include 55 parts of styrene-acrylic emulsion, 25 parts of epoxy resin, 25 parts of polyvinyl alcohol, 15 parts of silane coupling agent, 20 parts of nano zinc oxide, and 6 parts of wollastonite powder. Parts, 10 parts of water, 12 parts of titanium dioxide, 1.7 parts of curing agent, 1.6 parts of defoaming agent, 16 parts of carboxymethyl cellulose, 10 parts of activated carbon, 2.2 parts of sodium lignosulfonate; the curing agent adopts polyisocyanate, defoaming The agent is polydimethylsiloxane.

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Abstract

The invention discloses an environment-friendly exterior wall coating and a construction process thereof. The invention discloses the environment-friendly exterior wall coating, and belongs to the technical field of coatings. The main points of the technical scheme are that the environment-friendly exterior wall coating is prepared from the following raw materials in parts by weight: 35 to 55 parts of styrene-acrylic emulsion, 15 to 25 parts of epoxy resin, 15 to 25 parts of polyvinyl alcohol, 5 to 15 parts of a silane coupling agent, 12 to 20 parts of nano-zinc oxide, 2 to 6 parts of wollastonite powder, 5 to 10 parts of water, 6 to 12 parts of titanium dioxide, 1.1 to 1.7 parts of a curing agent, 1.2 to 1.6 parts of a defoaming agent and 8 to 16 parts of carboxymethyl cellulose. The effect of improving the adhesion force between the coating and a wall surface is achieved.

Description

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Claims

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Application Information

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Owner 天津市青龙建筑安装工程有限公司
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