ABA triblock copolymers from poly(p-dioxanone) and poly(ethylene glycol)

被引：20
|
作者：
Yang, Ke-Ke [1 ]
Zheng, Li [1 ]
Wang, Yu-Zhong [1 ]
Zeng, Jian-Bing [1 ]
Wang, Xiu-Li [1 ]
Chen, Si-Chong [1 ]
Zeng, Qiang [1 ]
Li, Bin [1 ]
机构：
[1] Sichuan Univ, Ctr Degradable & Flame Retardant Polymer Mat, Coll Chem, Chengdu 610064, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 102卷 / 02期
关键词：
poly(ethylene glycol); poly(p-dioxanone); triblock copolymer; crystallization; thermal stability; water absorption;
D O I：
10.1002/app.24273
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(p-dioxanone)-poly(ethylene glycol)-poly (p-dioxanone) ABA triblock copolymers (PEDO) were synthesized by ring-opening polymerization from p-dioxanone using poly(ethylene glycol) (PEG) with different molecular weights as macroinitiators in N-2 atmosphere. The copolymer was characterized by H-1 NMR spectroscope. The thermal behavior, crystallization, and thermal stability of these copolymers were investigated by differential scanning calorimetry and thermogravimetric measurements. The water absorption of these copolymers was also measured. The results indicated that the content and length of PEG chain have a greater effect on the properties of copolymers. This kind of biodegradable copolymer will find a potential application in biomedical materials. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码：1092 / 1097
页数：6
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