COMPOSITION FOR PRODUCING BIODEGRADABLE POLYESTER RESIN, AND PRODUCTION METHOD FOR BIODEGRADABLE POLYESTER RESIN

摘要

A composition for preparing a biodegradable polyester resin and a method of preparing the biodegradable polyester resin are provided. The composition for preparing a biodegradable polyester resin includes: a dicarboxylic acid, a diol, a catalyst, and a deactivating agent including an element (L) that may reduce the activity of the catalyst, wherein the amount of a metal (M) in the catalyst and the amount of the element (L) satisfy the following condition on the basis of a weight ratio: 1.5 ‰¤ M/L ‰¤ 8.0.