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WEATHER RESISTANT MATTE SILICONE COATING SPECIAL FOR EMAS AND PREPARATION METHOD THEREOF
WEATHER RESISTANT MATTE SILICONE COATING SPECIAL FOR EMAS AND PREPARATION METHOD THEREOF
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机译:EMA的耐候哑光硅酮涂料及其制备方法
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摘要
A weather resistant matte silicone coating special for EMAS, comprising: 80˜130 parts by weight of α,ω-dihydroxypolydimethylsiloxane; 0.5˜10 parts by weight of a linear polydimethylsiloxane with terminal hydroxyl group; 1˜10 parts by weight of fumed silica; 10˜50 parts by weight of precipitated silica; 1˜5 parts by weight of color masterbatch; 0.9˜5 parts by weight of organotin chelate catalyst; crosslinking agent, comprising 1.5˜7 parts by weight of methyltri(methylethylketoximino)silane, 1.5˜7 parts by weight of vinyltri(methylethylketoximino)silane, and 1˜7 parts by weight of aminopropyltriethoxysilane; 1.5˜6 parts by weight of delustering agent; and 250˜350 parts by weight of a solvent. The coating has the properties of low viscosity, high flow, relatively fast curing, moderate strength, good adhesion, good mattness, being environmentally friendly and the like.
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