申请人:Tosoh Corporation
公开号:EP3208301A1
公开(公告)日:2017-08-23
To provide a resin composition suitable for an optical compensation film, an optical compensation film using the same, which is excellent in the retardation characteristics and wavelength dispersion characteristics, and a production method of an optical compensation film.
A resin composition containing, as resin components, from 30 to 99 wt% of a cellulose-based resin represented by the following formula (1) and from 1 to 70 wt% of a cinnamic acid ester copolymer.
(wherein each of R1, R2 and R3 independently represents hydrogen or a substituent having a carbon number of 1 to 12).
提供一种适用于光学补偿膜的树脂组合物、一种使用了该树脂组合物的光学补偿膜,该光学补偿膜在延缓特性和波长色散特性方面都非常出色,还提供了一种光学补偿膜的生产方法。
一种树脂组合物,作为树脂成分,含有 30 至 99 wt%由下式(1)表示的纤维素基树脂和 1 至 70 wt%的肉桂酸酯共聚物。
(其中 R1、R2 和 R3 各自独立地代表氢或碳原子数为 1 至 12 的取代基)。