Preparation and Performance of Hydrophobic Transparent Waterproofing Coatings
The walls of building had the effects of safety protection and decorate,but there were some problems with the extension of time,such as cracking,leakage,peeling emerge and so on.This paper introduced a simple mechanical stirring method to prepare a hydrophobic transpar-ent silica-acrylate emulsion waterproofing coating,the properties of the coating film were studied.The results showed that the waterproofing coating had high transparency whether it is styrene-acrylate,pure-acrylate,or silica-acrylate emulsion.Among them,the silica-acrylate e-mulsion demonstrates superior comprehensive performance and high cost-effectiveness.The Lotus leaf hydrophobic agent of silica-acrylate e-mulsion is 7%,which had the significant hydrophobic effect with contact angle 102°,excellent waterproof ability,visible light transmittance,high resistance to atmosphere and UV aging.
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