Thermal and hydrolytic degradation behaviour of degradable poly(etheresteramide) copolymers based on ε-caprolactone, 11-aminoundecanoic acid, and poly(ethylene glycol)

被引：11
|
作者：
Qian, ZY [1 ]
Li, S
He, Y
Liu, XB
机构：
[1] Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610065, Peoples R China
[2] Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China
来源：
POLYMER DEGRADATION AND STABILITY | 2004年 / 84卷 / 01期
关键词：
polyetheresteramide; degradable polymer; thermal degradation; hydrolytic degradation; TG;
D O I：
10.1016/j.polymdegradstab.2003.09.011
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new kind of aliphatic polyetheresteramide copolymers (PEEAs) based on epsilon-caprolactone, 11-aminoundecanoic acid, and poly(ethylene glycol) (PEG) were synthesized by melt polycondensation. The thermal and hydrolytic degradation behaviour of these copolymers was studied using FTIR, H-1-NMR, and TGA. PEG content, thickness of the test sample, and pH of degradation medium have great effect on degradation rate. The degradation rate increased with PEG content and pH, but decreased with thickness of the test sample. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：41 / 47
页数：7
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