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High-elasticity external wall paint and its preparation method

An exterior wall coating and high-elasticity technology, applied in coatings and other directions, can solve problems such as poor stain resistance, poor low-temperature performance, and poor adhesion

Inactive Publication Date: 2003-02-05
崔玉国
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are small cracks after being applied to the wall, poor adhesion, poor stain resistance, poor low temperature performance, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] Mix 7 to 12 parts of water, 0.2 to 0.4 parts of sodium polycarboxylate, 0.3 to 0.5 parts of tetrachloroisophthalonitrile as an antifungal agent, 0.05 to 0.2 parts of chloromethyl-methylisothiazolinone as an antiseptic in the tank, and 0.2 to 0.2 parts of epoxy Put 0.2-0.3 parts of vinyl alkylphenol ether into the dispersion tank, slowly add 0.05-0.2 parts of hydroxyethyl cellulose, and stir at a speed of 100-300 rpm while adding, stir for 5-10 minutes after the addition, and then add in order 1.2-2.0 parts of alcohol ester twelve, 1.8-2.4 parts of propylene glycol, 0.1-0.3 parts of defoamer SN345-organic silicon and inorganic silicon mixture, 2-19 parts of rutile titanium dioxide, 40-20 parts of calcium carbonate (800 mesh), When the powder is fed, the speed is 400-500 rpm, and the speed is 1100-1300 rpm, and the stirring is continued for 15-40 minutes, and the fineness reaches 20-50 microns. Transfer to the blending tank and put in 34-39 parts of elastic acrylic emulsi...

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PUM

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Abstract

The preparation method of high-elasticity external wall paint includes the following steps: adding 7-12 portions of water, 0.2-0.4 portions of sodium polycarboxylate, 0.2-0.3 portions of mildew-proof agent deconil M, in-tank-preservative chloromethyl-methyl isothiazolinone and oxirene alkyl acid ether into dispersing tank; slowly adding hydroxyethyl cellulose, at the same time mechanically stirring and adding alcohol ester 12, propanediol, defoaming agent SN345-organic silicon and inorganic silicon mixture, rutile titanium pigment and calcium carbonate (800 meshes); transferring the above-mentioned materials, liquid into mixing tank, and adding 34-39 portions of elastic polyacrylic emulsion, 8-10 portions of pure polyacrylic emulsion, 5.6-10 portions of OP-62B covering polymer and other.

Description

technical field [0001] The invention belongs to coatings, and in particular discloses a high-elastic exterior wall coating and its preparation. Background technique [0002] In the prior art, most commonly used exterior wall paints are paints prepared with styrene-acrylic emulsion, pure acrylic emulsion or elastic acrylic emulsion as the base material. Its disadvantages are small cracks after being applied to the wall, poor adhesion, poor stain resistance, and poor low temperature performance. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a highly elastic exterior wall coating with high adhesion, stain resistance, good low temperature performance, anti-ultraviolet radiation, thermal insulation, water breathing resistance and a preparation method. [0004] The composition and content (weight fraction) of high elastic exterior wall coating of the present invention are: solvent-water 7~12...

Claims

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Application Information

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IPC IPC(8): C09D133/02
Inventor 戴淑艳佟云辉
Owner 崔玉国
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