METHOD FOR MANUFACTURING CAST FILM, CAST FILM AS WELL AS POLARIZER PROTECTIVE FILM USING IT AND POLARIZING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical film made of an amorphous cyclic olefin copolymer capable of solving a problem in manufacturing and having excellent transparency, surface properties and the like. SOLUTION: In the case of manufacturing a cast film made of the amorphous cyclic olefin copolymer, a cyclic aliphatic hydrocarbon or the like is used as at least one type of a solvent.