Different ways for grafting ester derivatives of poly(ethylene glycol) onto chitosan:: related characteristics and potential properties

被引：41
|
作者：
Lebouc, F
Dez, I
Desbrières, J
Picton, L
Madec, PJ
机构：
[1] Univ Caen, UMR CNRS 6507, ENSICAEN, Lab Chim Mol & Thioorgan, F-14050 Caen, France
[2] CNRS, UMR 5067, Lab Physicochim Polymeres, F-64053 Pau 09, France
[3] Univ Rouen, UMR CNRS 6522, Lab Polymeres Biopolymeres & Membranes, F-76821 Mont St Aignan, France
来源：
POLYMER | 2005年 / 46卷 / 03期
关键词：
chitosan; poly(ethylene glycol); surface properties;
D O I：
10.1016/j.polymer.2004.11.104
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 grafting of poly(ethylene glycol) functionalized by ester groups (MeO-PEG-ester) onto chitosan was studied and optimized using different reaction conditions. In a first procedure, the grafting was made from 6-0-triphenylmethyl-chitosan after protection of primary hydroxyl groups and in a second one, it was made directly onto chitosan. NMR spectroscopy was an important tool to study these reactions and the grafting is unequivocally showed up. Moreover, for each procedure, the solubility and surface properties of the obtained copolymers were evaluated and compared. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：639 / 651
页数：13
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