An aromatic polycarbonate copolymer for an optical disk substrate is produced by combining at least two blsphenols selected from those of the following general formulae (I), (II), and (III):
wherein R₁, R₂, R₃, and R₄ are each hydrogen, a straight-chain or branched alkyl group having 1 to 8 carbon atoms, or a phenyl group.
一种用于光盘基板的芳香族聚
碳酸酯共聚物是由至少两种选自以下通式 (I)、(II) 和 (III) 的
苯酚组合而成:
其中 R₁、R₂、R₃ 和 R₄ 分别为氢、具有 1 至 8 个碳原子的直链或支链烷基或苯基。