Patent ID: 7193026

Claim:
A silicone-base coating composition comprising in admixture 1 to 200 parts by weight of a curing composition comprising (A) 50 to 99.5% by weight of a silane compound having the general formula (1): R 1 2 Si(OR 2 ) 2 (1) wherein R 1 is methyl, and R 2 is methyl or ethyl, and (B) 0.5 to 50% by weight of phosphoric acid, and (C) 100 parts by weight of a curable organosilicon compound which is a silane compound having the general formula (2): R 3 a Si(OR 2 ) 4-a (2) wherein R 3 is each independently a substituted or unsubstituted monovalent C 1 –C 10 hydrocarbon group, R 2 is a C 1 –C 3 alkyl group, C 2 –C 3 acyl group, or C 3 –C 5 alkoxyalkyl group, and “a” is 0, 1, or 2, or a partial (co)hydrolytic condensate thereof or a mixture thereof, wherein component (C) comprises a partial (co)hydrolytic condensate of a silane compound having formula (2) wherein R 3 is methyl, R 2 is methyl or ethyl, and “a”=1 or a partial (co)hydrolytic condensate of said silane compound and another silane compound having formula (2).