A resin composition including from 30 to 99 wt % of a cellulose-based resin represented by the following formula (1) and from 70 to 1 wt % of a fumaric acid ester polymer containing 30 mol % or more of a fumaric acid diester residue unit represented by the following formula (2); an optical compensation film using the same; and a production method of the optical compensation film.
(wherein R
1
to R
3
represent a substituent having a carbon number of 1 to 12, and R
4
and R
5
represent an alkyl group having a carbon number of 1 to 12).
一种
树脂组合物,包括从30到99重量%的
纤维素基
树脂,其由以下公式(1)表示,并且包括从70到1重量%的
富马酸酯聚合物,其中含有30摩尔%或更多的
富马酸二酯残基单元,其由以下公式(2)表示。使用相同的光学补偿膜和光学补偿膜的生产方法。(其中R1至R3代表具有1至12个碳原子的取代基,而R4和R5代表具有1至12个碳原子的烷基)。