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PROCESS FOR PRODUCING ARTICLE COATED WITH WATER-REPELLENT FILM, ARTICLE COATED WITH WATER-REPELLENT FILM, AND LIQUID COMPOSITION FOR WATER-REPELLENT FILM COATING
PROCESS FOR PRODUCING ARTICLE COATED WITH WATER-REPELLENT FILM, ARTICLE COATED WITH WATER-REPELLENT FILM, AND LIQUID COMPOSITION FOR WATER-REPELLENT FILM COATING
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机译:涂有防水膜的物品,涂有防水膜的物品以及防水膜的液体组合物的生产方法
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摘要
In a process for producing a product coated with a water repellent film which comprises applying on a base substrate a coating liquid containing a silicon alkoxide, a fluoroalkyl group-containing silane compound and an acid dissolved in a solvent and drying; the process for producing a product coated with a water repellent film being characterized in that said coating liquid contains: 0.01 - 2% by weight (converted to silica) of said silicon alkoxide or a hydrolysate thereof, 0.00001 - 0.15% by weight (converted to silica) of said fluoroalkyl group-containing silane compound, 0.003 - 3 normality of said acid, and 0 - 20% by weight of water. By the process, a water repellent product having a good rolling property of water drops, a high scratching resistance and a high weatherability is provided with an excellent productivity.
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