Patent ID: 6174966
Filing Date: 2001-01-16
Classification: C09D

Abstract:
A coating agent composition, comprising:(A) 100 parts by weight of a polymer having at least two alkoxysilyl groups, wherein the polymer has a number average molecular weight of 500 to 500,000, the polymer has a principal chain comprising a polycarbonate or a polyarylate, and the alkoxysilyl groups in the polymer have the formula:--SiR.sub.3-a (OR').sub.awherein R is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, R' is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms, and a is from 1 to 3;(B) 50 to 2,000 parts by weight of an organic solvent;(C) 1 to 90 parts by weight of an organosilane, wherein the organosilane is a compound having the formula R"".sub.e SiY.sub.4-e or a partially hydrolyzed condensate thereof, wherein R"" is a substituted or unsubstituted monovalent hydrocarbon group or a hydrogen atom, Y is a hydrolyzable group, and e is from 0 to 2; and(D) a cure catalyst in an amount sufficient to cure the composition.