| abstract |
The present invention provides a cellulose acylate film having a small decrease in molecular weight of cellulose acylate before and after melt film formation, a small yellowness, and excellent surface and optical properties. SOLUTION: A pellet containing a cellulose acylate having a specific substitution degree, a compound of the following (1), and a compound of the following (2) melted at 150 to 240 ° C. and pelletized. Melt film formation. (1) Selected from the group consisting of a phosphate ester compound, a monosaccharide or a carbohydrate derivative containing 2 to 10 monosaccharide units, a carboxylic acid ester compound, an alkylphthalylalkyl glycolate compound, and a fatty acid ester compound of a polyhydric alcohol At least one kind of compound (2) At least one kind of compound having a phenol structure, a phosphite structure, or a thioether structure |