Ring opening polymerization of L-lactide initiated by creatinine

被引：56
|
作者：
Wang, CH [1 ]
Li, H [1 ]
Zhao, X [1 ]
机构：
[1] Nankai Univ, Inst Polymer Chem, State Key Lab Funct Polymer Mat Adsorpt & Separat, Tianjin 300071, Peoples R China
来源：
BIOMATERIALS | 2004年 / 25卷 / 27期
基金：
中国国家自然科学基金;
关键词：
polylactides; creatinine; ring opening polymerization; biodegradable polymers;
D O I：
10.1016/j.biomaterials.2004.01.030
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
L-lactide was first successfully ring-opening polymerized in bulk using creatinine initiator. Poly(L-lactide)(PLLA) synthesized possesses a moderate molecular weight (MW) (Mn = 1.56 x 10(4)) and pretty narrow MW distribution (PDI = 1.28). Influence of temperature, time and creatinine dosage on the -polymerization, and formed PLLA's properties were examined. The polymerization mechanism is postulated according to (HNMR)-H-1 characterization of the propagation species and the synthesized PLLA product. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5797 / 5801
页数：5
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