abstract |
An optical film having a small photoelastic coefficient, a large phase difference, and excellent bonding property with a polarizer is provided. A film containing a polymer (A) containing at least a monomer represented by formula (I) and a monomer having a hydroxyl group or an amide bond and a cellulose ester (B). (Wherein R 1 , R 2 , R 3 and R 4 are each independently one or more of a hydrogen atom, a halogen atom, a carbon atom, an oxygen atom, a nitrogen atom, a phosphorus atom, a silicon atom and a tin atom) And n represents an integer of 0 to 4.) [Selection figure] None |