ε-己内酯与DL-丙交酯共聚物的体外降解性能研究
New Chemical Materials(2014)
Abstract
系统研究了£-己内酯与DL-丙交酯共聚物(PCDLA)在磷酸盐缓冲液(PH=7.4,37℃)中的降解性能.用失重率、分子量、热学性能等指标对降解性能进行评价,并对PCDLA8020薄膜表面形貌采用扫描电镜(SEM)进行了观察.研究表明:随着PCDLA共聚物组分中DL丙交酯含量的增加,降解速度明显增快,这为PCDLA共聚物的进一步应用提供了指导意义.
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