| 摘要 |
PROBLEM TO BE SOLVED: To provide a means for obtaining a highly water-repellent surface of an article by a simple method. SOLUTION: The coating solution comprises an alcohol, a tetraalkoxysilane, a hydrophobic silica fine particle, and water. The alcohol, the tetraalkoxysilane and the hydrophobic silica fine particle are mixed and stirred, and the pH is adjusted to 2-3 by an acid or a base followed by addition of water and agitation to give the coating solution. An article to be coated is immersed in the coating solution, then picked up and dried. COPYRIGHT: (C)2006,JPO&NCIPI
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