CASTING DIE FOR SOLUTION FILM-MAKING, AND SOLUTION FILM MAKING METHOD

摘要

<P>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. Ž<P>SOLUTION: A casting die for solution film-making in which the angle θ made by a lip surface and a lip side in the cross-sectional shape of both end parts of a lip tip is ≥120° is used. A film manufactured from a solution with the use of the casting die is suitable as a polarizing plate protection film and can be used for a liquid crystal display, etc. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž