Preparation method of ageing-resistant and ultraviolet-resistant external wall coating added with gallic acid
A gallic acid and anti-ultraviolet technology, which is applied in the direction of epoxy resin coating, starch derivative coating, coating, etc., can solve the problems of increasing the weight of buildings, the influence of coating dispersion, and the high density of round sand, so as to achieve good toughness , good waterproof performance, good dispersion performance
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[0016] A gallic acid-added anti-aging and anti-ultraviolet exterior wall paint prepared from the following parts by weight (kg) of raw materials: silicone acrylic emulsion 30, water-based epoxy resin 9, activated palygorsk powder 4.5, polyvinyl alcohol 3, pre Gelatinized starch 2, antimony trioxide 2.5, hydrolyzed starch 3, heavy calcium 8.5, isocyanate 1, heptadecanoic acid 1, gallic acid 2, glass fiber 4, modified round-grain mortar 6, water 25;
[0017] The modified round-grain mortar is prepared from the following parts by weight (kg) of raw materials: 150-180 mesh round-grain sand 50, methyl methacrylate 17, hydroxyethyl acrylate 3, potassium persulfate 1, alkali wood Element 3, acrylamide 2, polyvinyl alcohol 3, glass beads 4, diatomaceous earth 3, sodium tripolyphosphate 1, methyl triethoxy silane 1, dimethyl silicone oil 2, epoxy soybean oil 3, pe...
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