Patent ID: 7371433
Filing Date: 2008-05-13
Classification: C08G,C08K,C08L,C09D,G02F,H01J,Y10T

Abstract:
1. A silicon-containing copolymer composition, which comprises a silicon-containing copolymer having a number-average molecular weight of 500 to 1,000,000 and containing at least the structural units represented by the following general formulae (I) and (II) and a cross-linking agent: wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 each independently represents an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an aralkyl group, an alkylamino group, an alkylsilyl group or an alkoxy group, R 7 represents a divalent group, and A represents NH or O, with the order of the structural units (I) and (II) being at random, and the molar ratios p and q thereof respectively being an optional number except for zero, and the proportions of Si—O bond and Si—N bond in the copolymer satisfying the following equation: