| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical film that is formed of a resin composition including a polymer having a maleimide compound unit as a constitutional unit, has high strength, and can be manufactured by fusion extrusion molding.SOLUTION: There is provided an optical film comprising a resin composition (C) including a polymer (A) having a maleimide compound unit, vinyl cyanide compound unit, and aromatic vinyl compound unit as constitutional units, and a polymer (B) having a vinyl cyanide compound unit and aromatic vinyl compound unit as constitutional units, where the weight average molecular weight of the resin composition (C) is 150,000 or more and 300,000 or less. |
