聚乳酸-聚乙二醇嵌段共聚物及其交联聚氨酯弹性体的性能研究
취유산-취을이순감단공취물급기교련취안지탄성체적성능연구
Study on the Properties of poly(lactic acid)-poly (ethylene glycol) Copolymers and poly (lactic acid)-poly (ethylene glycol)/polyurethane Elastomer