Patent ID: 6511753
Filing Date: 2003-01-28
Classification: C09D,C09K,Y02P,Y10T

Abstract:
A process for producing a product coated with a water repellent film, which comprises applying a coating liquid to a base substrate and subsequently drying said coating liquid, wherein said coating liquid contains:(A) 0.01-2% by weight (based on a Sio2 equivalent: MW=60) of a tetraalkoxysilane, a hydrolysate thereof, or a polymer derived from said tetraalkoxysilane or hydrolysate thereof having an average degree of polymerization of 5 or less; (B) 0.00001-0.15% by weight (based on a SiO2 equivalent: MW=60) of a fluoroalkyl group-containing silane compound; (C) 0.003-3 normality of a volatile acid; and (D) 0-20% by weight of water, wherein components (A), (B), and (C) are dissolved in a solvent.