OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE

摘要

Disclosed is an optical film excellent in optical characteristics and UV absorbability and excellent in outward appearance in which the UV absorbent does not bleed out. The optical film is formed of a polypropylene resin mixture containing (A) a polypropylene resin containing a propylene polymer, (B) a 2-(hydroxyphenyl)benzotriazole derivative 1, and (C) a 2-(hydroxyphenyl)benzotriazole derivative 2, wherein the 2-(hydroxyphenyl)benzotriazole derivative 2 (C) is 2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole, and the content ratio of (C) to the total amount of (B) and (C) is from 8 to 60% by mass.