Properties of Aqeous Solutions of O,N-Carboxymethyl Chitosan with Various Additives

被引：4
|
作者：
Bochek, A. M. [1 ]
Shevchuk, I. L. [1 ]
机构：
[1] Russian Acad Sci, Inst High Mol Weight Cpds, St Petersburg, Russia
来源：
FIBRE CHEMISTRY | 2018年 / 50卷 / 03期
关键词：
CARBOXYMETHYL CHITOSAN; CHITIN;
D O I：
10.1007/s10692-018-9958-3
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Samples of carboxymethyl chitosan have been synthesized with different extents of substitution by changing the reaction conditions. Carboxymethyl chitosan completely dissolves in water when the extent of substitution exceeds 90%. The theological properties were studied for 4% aqueous solutions of carboxymethyl chitosan with CaCl2 and Ca(OH)(2) as additives as well as for a mixture of carboxymethyl chitosan and polyethylene oxide with added CaCl2. The introduction of additives to aqueous solutions of carboxymethyl chitosan leads to enhanced viscosity and gel formation.
引用
收藏
页码：193 / 196
页数：4
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