| abstract |
PROBLEM TO BE SOLVED: To provide a laminated film useful as a raw material for producing a polarizing film having excellent optical properties such as the degree of polarization and transmittance and durability (particularly, wet heat resistance), and a polarizing film comprising the laminated film. Is to do. SOLUTION: One or both sides of a film layer (A) composed of a polyvinyl alcohol-based polymer have 1 to 25 mol%. A laminated film having a film layer (B) composed of an ethylene-modified polyvinyl alcohol-based polymer and a polarizing film composed of the laminated film. |