Preparation method of external wall dustproof coating
A technology of dust-proof coating and dust-proof coating, which is applied in the direction of anti-fouling/underwater coating, paint containing biocide, etc., and can solve the problems of affecting decorative effect and use value, easy to stick dust, poor pollution resistance, etc.
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[0034] Preparation of silicone modified acrylic resin:
[0035] Mix vinyltrimethylsilane and methyl acrylate at a mass ratio of 1:3 and put them into a reactor to obtain a mixture, then add 1% sodium lauryl sulfate and 0.5% of the mixture to the reactor. Potassium persulfate and water of the same quality as the mixture were stirred and reacted at 50°C for 2 hours, and then discharged to obtain a silicone-modified acrylic resin;
[0036] Preparation of exterior wall dustproof coating:
[0037] (1) In parts by weight, weigh 60 parts of the above silicone-modified acrylic resin, 15 parts of spare self-made dustproof filler, 5 parts of calcium chloride, 1 part of polyether modified polyorganosiloxane and 20 parts After the water is mixed, put it into a colloid mill, grind and mix it for 20 minutes at a speed of 2000r / min to obtain a dust-proof coating;
[0038] (2) Apply the dust-proof paint obtained above on the surface of the exterior wall, and control the thickness of the coa...
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