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Acid rain resistant flexible outer wall emulsion paint

An elastic exterior wall, latex paint technology, applied in latex paint, coating and other directions, can solve the problem of paint being easily corroded by acid rain, easy to crack, peel off, etc., to achieve excellent outdoor weather resistance, good low temperature elasticity, excellent waterproof performance Effect

Active Publication Date: 2011-01-26
GUANGDONG MAYDOS BUILDING MATERIALS LTD CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The concrete exterior wall will expand and contract with the change of ambient temperature, and it is easy to crack. In addition, under the condition of acid rain, the surface coating of the concrete exterior wall building is easily corroded by acid rain, which will cause the color of the coating to change, and the adhesion will decrease. Blistering, peeling and other disadvantages

Method used

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  • Acid rain resistant flexible outer wall emulsion paint
  • Acid rain resistant flexible outer wall emulsion paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1: Acid rain resistant elastic exterior wall latex paint white paint

[0036] Weigh 17.0 parts of water based on 100 parts by weight, and add dispersant 5027: 0.7 parts, thickener NATROSAL 250HBR: 0.15 parts, and wetting agent PE-100: 0.1 parts at a speed of 300-600 rpm , 1.0 parts of propylene glycol, defoamer 0.5 parts, disperse for 5 minutes; put in rutile titanium dioxide at 600-1000 rpm 20.0 parts, filler superfine barium sulfate: 18.0 parts; at 1000-1300 rpm, disperse for 20-30 minutes; quality inspection sampling inspection fineness ≤ 60 microns; at 300-600 rpm, sequentially Add film-forming aid TEAXNAL: 1 part, preservative Kathon TM LXE: 0.2 parts, antifungal agent 0.6 parts, disperse for 5 minutes, and then add elastic emulsion Elastene TM 2468: 40 parts, PH regulator AMP-95: 0.1 part, defoamer 0.2 parts, thickener ACRYSOL RM-8W: 0.45 parts, dispersed for 5 minutes; quality inspection sampling inspection; filter and pack after passing.

Embodiment 2

[0037] Embodiment 2: acid rain resistant elastic exterior wall latex paint white paint (without adding film-forming aids)

[0038] Weigh 18.0 parts of water based on 100 parts by weight, and add dispersant 5027: 0.7 parts, thickener NATROSAL 250HBR: 0.15 parts, wetting agent PE-100: 0.1 parts at a speed of 300-600 rpm , 1.0 parts of propylene glycol, defoamer 0.5 parts, disperse for 5 minutes; put in rutile titanium dioxide at 600-1000 rpm 20.0 parts, filler superfine barium sulfate: 18.0 parts; at 1000-1300 rpm, disperse for 20-30 minutes; quality inspection sampling inspection fineness ≤ 60 microns; at 300-600 rpm, sequentially Add film-forming aid TEAXNAL: 0 parts, preservative Kathon TM LXE: 0.2 parts, antifungal agent 0.6 parts, disperse for 5 minutes, and then add elastic emulsion Elastene TM2468: 40 parts, PH regulator AMP-95: 0.1 part, defoamer 0.2 parts, thickener ACRYSOL RM-8W: 0.45 parts, dispersed for 5 minutes; quality inspection sampling inspection; fil...

Embodiment 3

[0039] Embodiment 3: acid rain resistant elastic exterior wall latex paint transparent varnish

[0040] Weigh 20.0 parts of water based on 100 parts by weight, and add dispersant 5027: 0.6 parts, thickener NATROSAL 250HBR: 0.25 parts, wetting agent PE-100: 0.1 parts at a speed of 300-600 rpm , 1.5 parts of propylene glycol, defoamer 0.5 parts, disperse for 5 minutes; put in rutile titanium dioxide at 600-1000 rpm 0.0 parts, filler superfine barium sulfate: 20.0 parts; at 1000-1300 rpm, disperse for 20-30 minutes; quality inspection sampling inspection fineness ≤ 60 microns; at 300-600 rpm, sequentially Add film-forming aid TEAXNAL: 1.2 parts, preservative Kathon TM LXE: 0.2 parts, antifungal agent 0.6 parts, disperse for 5 minutes, and then add elastic emulsion Elastene TM 2468: 54 parts, PH regulator AMP-95: 0.1 parts, defoamer 0.3 parts, thickener ACRYSOL RM-8W: 0.65 parts, dispersed for 5 minutes; quality inspection sampling inspection; filter and pack after passi...

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Abstract

The invention discloses acid rain resistant flexible outer wall emulsion paint, which comprises the following components in percentage by weight: 10.0 to 35.0 percent of water, 0.3 to 1.5 percent of dispersing agent, 0.1 to 0.4 percent of wetting agent, 0.1 to 0.8 percent of defoaming agent, 1.0 to 4.0 percent of propylene glycol, 0.0 to 25.0 percent of rutile type titanium dioxide, 10.0 to 25.0 percent of filler, 0.1 to 0.3 percent of preservative, 0.1 to 1.0 percent of mildew preventive, 0.05 to 0.20 percent of PH regulator, 0.0 to 2.0 percent of film forming aid, 35.0 to 55.0 percent of elastic latex and 0.1 to 2.0 percent of thickening agent. The acid rain resistant flexible outer wall emulsion paint can reduce the damage to outer walls of buildings due to factors of acid rain, concrete outer wall cracking and the like.

Description

technical field [0001] The invention relates to an elastic coating for building exterior walls, in particular to an acid rain-resistant elastic exterior wall latex paint suitable for protecting and decorating the exterior walls of concrete buildings in acid rain areas. Background technique [0002] Acid rain refers to atmospheric precipitation such as rain, freezing rain, snow, hail, and dew with a pH value between 4.3 and 5.6. Carbon dioxide and nitrogen dioxide in the atmosphere are the main substances that form acid rain. Among the components of acid rain, sulfuric acid accounts for 60%, nitric acid accounts for 32%, hydrochloric acid accounts for 6%, and the rest is carbonic acid and a small amount of organic acids. Acid rain is mainly caused by human production activities and life, and the harm to human beings will also increase day by day. [0003] At present, there are three major acid rain areas in the world, distributed in Northern Europe, North America and China. ...

Claims

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Application Information

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IPC IPC(8): C09D5/02C09D7/12C09D5/00
Inventor 周炜健谭俊峰李君荣李淑燕赖忠李伟李腾飞李光强
Owner GUANGDONG MAYDOS BUILDING MATERIALS LTD CO
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