ABSORBABLE COPOLYMER, AND PREPARATION METHOD AND USE THEREOF

Abstract: an absorbable copolymer, and a preparation method and use thereof are disclosed. firstly lactide and trimethylene carbonate are polymerized to form a prepolymer, and then the prepolymer is copolymerized with glycolide to form a pglt copolymer. the pglt copolymer contains three chain segments of polymerized glycolide, polymerized lactide and polymerized trimethylene carbonate. the pglt copolymer obtained by stepwise polymerization has high strength and good toughness. it is suitable for the preparation of medical instruments such as absorbable tissue closure clips, suture clips, suture anchors, anastomosis nails, etc.

Inventor(s): Shihua Jiang, Tianyao Zhang, Dongliang Chen, Chengdong Xiong

CPC Classification: C08G63/64 (Polyesters containing both carboxylic ester groups and carbonate groups)

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