申请人:Mitsubishi Chemical Corporation
公开号:EP3214109A1
公开(公告)日:2017-09-06
The object of the present invention is to provide a polycarbonate resin which is excellent in various properties, such as heat resistance, optical properties, melt processability, etc., and an optical film composed of the same. The present invention relates to a polycarbonate resin containing at least a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2).
(In the formula (1), R1 to R6 each independently represent a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, an aryl group, an alkoxy group having 1to 12 carbon atoms, or a halogen atom.)
本发明的目的是提供一种在各种性能(如耐热性、光学性能、熔融加工性等)方面都非常优异的聚碳酸酯树脂,以及由其构成的光学薄膜。本发明涉及一种聚碳酸酯树脂,至少含有下式(1)表示的结构单元和下式(2)表示的结构单元。
(在式 (1) 中,R1 至 R6 各自独立地代表氢原子、具有 1 至 12 个碳原子的烷基、芳基、具有 1 至 12 个碳原子的烷氧基或卤素原子)。