POLYCARBONATE RESIN AND OPTICAL FILM USING THE SAME

摘要

Disclosed is a polycarbonate resin having a repeating unit represented by the formula (1) below and a repeating unit represented by the formula (2) below. Also disclosed is an optical film using such a polycarbonate resin. (1) (2) (In the formula, Y represents a cycloalkylene group having 4-20 carbon atoms or a structure represented by the following formula (3).) (3) (In the formula (3), R₁, R₂, R₃ and R₄ independently represent a hydrogen atom or a monovalent alkyl group having 1-5 carbon atoms.)