Ring-opening polymerization of L-lactide catalyzed by a biocompatible calcium complex

被引：64
|
作者：
Chen, Hsuan-Ying [1 ]
Tang, Hui-Yi [1 ]
Lin, Chu-Chieh [1 ]
机构：
[1] Natl Chung Hsing Univ, Dept Chem, Taichung 402, Taiwan
来源：
POLYMER | 2007年 / 48卷 / 08期
关键词：
calcium; catalysis; L-lactide;
D O I：
10.1016/j.polymer.2007.02.030
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 novel calcium complex, [(DAIP)(2)Ca](2) (where DAIP-H = 2-[(2-dimethylamino)methyl]phenol, is prepared in a one flask reaction by condensation of Ca(OMe)(2) with DAIP-H in toluene/THF Experimental results show that in the presence of various alcohols, [(DAIP)(2)Ca](2) efficiently initiates the ring-opening polymerization Of L-lactide in a controlled fashion, yielding polymers with expectative molecular weight and low polydispersity indexes. Furthermore, kinetic studies show a first-order dependency on both [LA] and [BnOH]. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2257 / 2262
页数：6
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