A biodegradable copolymer, a biodegradable polymer composition, a biodegradable article, and a preparation process thereof
申请人:DAICEL CHEMICAL INDUSTRIES, LTD.
公开号:EP0682054A2
公开(公告)日:1995-11-15
Disclosed are a biodegradable copolymer, a biodegradable copolymer composition, a biodegradable article molded from a copolymer and a process for the preparation of a biodegradable lactone-carbonate random copolymer which comprises a ring-opening addition polymerization of an admixture composed of a lactone monomer and a cyclic carbonate monomer with a ring-opening initiator in the presence of an organic aluminum-based Lewis acid. The copolymers and articles of the present invention are excellent in biodegradability.
本发明公开了一种可
生物降解的共聚物、一种可
生物降解的共聚物组合物、一种由共聚物模塑而成的可
生物降解的物品,以及一种可
生物降解的内
酯-
碳酸酯无规共聚物的制备工艺,该工艺包括在
有机铝基
路易斯酸存在下,将由内
酯单体和环状
碳酸酯单体组成的混合物与开环
引发剂进行开环加成聚合。本发明的共聚物和物品具有良好的
生物降解性。