| abstract |
(57) Abstract: The problem to be solved by the present invention is to provide a lactic acid-based polyester composition having excellent flexibility, mechanical strength such as heat resistance, moldability, storage stability and biodegradability. It is intended to provide a manufacturing method and a molding method using the composition manufactured by the manufacturing method. The present invention relates to a lactic acid-based polyester (A). A polyester (B) composed of a dicarboxylic acid component and a diol component, and a chelating agent and / or an acidic phosphoric acid ester (C) at a weight ratio of (A) / (B) of 99 / 1 to 10/90, and (C) is used in an amount of 0.001 to 5 parts by weight with respect to 100 parts by weight of the total of (A) and (B), and melt-kneaded. There is provided a method for producing a lactic acid-based polyester composition, and a molding method using the composition produced by the production method. |