abstract |
(57) Abstract: A plasticizer for imparting flexibility to an aliphatic polyester, particularly polylactic acid, an aliphatic polyester composition using the same, and a film, sheet, and bag formed from the composition. And the like. SOLUTION: For 100 parts by weight of aliphatic polyester, (1) 5 to 50 parts by weight of polyglycerin acetate (2) an aliphatic polyester composition containing 5 to 50 parts by weight of a polyglycerin acetate and a glycerin acetate fatty acid ester having a specific structure; and (3) molding this aliphatic polyester composition into a film, sheet, bag, or the like. This is a flexible molded product. |