Synthesis of block copolymers of poly(p-dioxanone) block poly(tetrahydrofuran)

被引：8
|
作者：
Zhou, Yu-Fang
Yang, Ke-Ke
Wang, Yu-Zhong [1 ]
Wang, Xiu-Li
机构：
[1] Sichuan Univ, Coll Chem, Ctr Degradable & Flame Retardant Polymer Mat, Chengdu 610064, Peoples R China
[2] Xinjiang Univ, Coll Chem & Chem Engn, Wulumqi 830046, Peoples R China
来源：
POLYMER BULLETIN | 2006年 / 57卷 / 02期
关键词：
D O I：
10.1007/s00289-006-0545-z
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The triblock copolymers of poly(p-dioxanone)-b-poly(tetrahydrofuran)-b-poly(p-dioxanone) were synthesized by ring-opening polymerization of p-dioxanone in the presence of dihydroxyl poly(tetrahydrofuran)(PTHF) using stannous octoate (SnOct(2)) as a catalyst. The effects of feed ratio, reaction time and reaction temperature on the copolymerization were investigated. It was found that the optimal reaction temperature and time were 80 degrees C and 42 hours, respectively, and the molar ratio of p-dioxanone/SnOct(2) (PDO/cat.) had little influence on the inherent viscosity of the copolymers. The triblock copolymers were characterized by various analytical techniques such as H-1-NMR and DSC.
引用
收藏
页码：151 / 156
页数：6
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