One-Pot Biocatalytic Synthesis of Sugar Based Poly (ε-caprolactone)

被引：6
|
作者：
Barrera-Rivera, Karla A. [1 ]
Martinez-Richa, Antonio [1 ]
机构：
[1] Univ Guanajuato, Dept Quim, Guanajuato 36050, Mexico
来源：
MACROMOLECULAR SYMPOSIA | 2009年 / 283-84卷
关键词：
biocatalysis; biodegradable polymers; isosorbide; lipase; RING-OPENING POLYMERIZATION; LIPASE; INITIATOR;
D O I：
10.1002/masy.200950919
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 one-pot biocatalytic synthesis of amphiphilic polymers consisting of an isosorbide headgroup and a hydrophobic polyester chain is described. The immobilized lipase of Yarrowia lipolytica (YLL) catalyzed ring-opening polymerization of epsilon-caprolactone (epsilon-CL) initiated by the multifunctional initiator isosorbide. Polymerizations were carried out in bulk at 70, 80, 90 and 120 degrees C. The highest reaction rates for epsilon-CL polymerization resulted for YLL immobilized on macroporous resins: Lewatit VP OC 1026 at 80 degrees C, and the strongly acidic Lewatit K-2629 at 90 degrees C. Structural analyses were made by MALDI-TOF, H-1, and C-13-NMR.
引用
收藏
页码：144 / 151
页数：8
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