Synthesis and Characterization of PLA-PEG-PLA Triblock Copolymer

摘要：

Preparation of PLA-PEG-PLA triblock copolymer was carried out using indirect method in this paper. Lactide was prepared from industrial monomer L-lactic acid as raw materia1. The designed molecular weight PLA-PEG-PLA triblock copolymers were synthesized by ring-opening polymerization of lactide and PEG based on the molar rate of lactide and PEG. Various analytical techniques such as GPC, 1H NMR, DSC were used to characterize the structure of the copolymer. According to that it is inferred that triblock copolymers is synthesized, and Tg is reduced and toughness is improved with the increase of PEG content.

作者: JIAO Mingli YANG Kai PAN Wei ZHANG Wangxi

作者单位: School of Materials & Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, School of Fashion, Zhongyuan University of Technology, Zhengzhou 450007, P.R.China

会议类型: 国际会议

会议名称: 2009 International Conference on Advanced Fibers and Polymer Materials(2009年先进纤维与聚合物材料国际学术会议)

会议地点: 上海

会议语种:英文

页码: 904-906

在线出版日期: 2009-10-21（万方平台首次上网日期，不代表论文的发表时间）