Patent ID: 6355768
Filing Date: 2002-03-12
Classification: C08G

Abstract:
A polycarbonate resin consisting essentially of structural units of the structure formula (1) and the structure formula (2), wherein a molar ratio of the structure formula (1)/the structure formula (2) is 70/30 to 5/95: wherein R1 and R2 are, each independently, a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxyl group having 1 to 20 carbon atoms, a cycloalkyl group having 6 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, a cycloalkoxyl group having 6 to 20 carbon atoms or an aryloxy group having 6 to 20 carbon atoms and m and n are an integer of 0 to 4; wherein W is a cycloalkylene group having 6 to 20 carbon atoms and 1 to 4 cyclo rings.