PROCESS FOR COATING SUBSTRATES

摘要

Docket No. Wa-7916 Paper No. 1 A PROCESS FOR COATING SUBSTRATES A process for coating a substrate which comprises coating the substrate with a solution containing an organic solvent and (1) a diorganopolysiloxane having terminal SiC-bonded vinyl groups, (2) an organopolysiloxane having at least 3 Si-bonded hydrogen atoms per molecule, (3) a catalyst which promotes the addition of Si-bonded hydrogen to an aliphatic multiple bond; and optionally (4) an agent which delays or retards the addition of Si-bonded hydrogen to an aliphatic multiple bond at room temperature, (5) a diorganopolysiloxane having a viscosity of at least 106 mPa.s at 25.degree.C in which a vinyl group is bonded to a silicon atom in 0.033 to 3.33 percent of the diorganosiloxane units, while the other organic radicals in the diorganosiloxane units of the diorganopolysiloxane are free of aliphatic multiple bonds, and (6) an organosilicon adhesive compound. An acrylic acid ester polymer or copolymer (7) may be applied to the substrate simultaneously with or prior to the application of the solution containing components (1) through (6) above.