| abstract |
[Problem] To provide a polyvinyl alcohol film having small drying shrinkage during film production and excellent in optical properties, mechanical properties, stability in water, and the like. A modified cellulose fiber composite polyvinyl alcohol film comprising a polyvinyl alcohol resin and a modified cellulose fiber having a repeating unit represented by the formula (1). (X 1 to X 3 are each independently a group having a cationic group, a group derived from phosphoric acid, a carbonyl group or a modified carbonyl group) [Selection figure] None |