CASTING DIE, SOLUTION FILM-MAKING METHOD, AND POLARIZING PLATE, ETC.

摘要

PROBLEM TO BE SOLVED: To provide a skinning preventing means for improving productivity which does not affect a cast film and does not need the periodic washing of a peeling residue which is generated by the lack of drying at an end part peeling point from a support. SOLUTION: A casting die for solution film-making in which the angleθmade by a lip surface and a lip side in the cross-sectional shape of both end part of a lip tip is at least 120 deg. is used. A film manufactured from a solution with the use of the casting die is suitable for a polarizing plate and can be used for a liquid crystal display, etc.