Grafting polymerization of acrylonitrile and methyl acrylate on chitosan in the presence of cobalt(III) complexes

被引：7
|
作者：
Baranov, I. A. [1 ]
Andriyanova, N. A. [1 ]
Mochalova, A. E. [1 ]
Sibirkin, A. A. [1 ]
Baten'kin, M. A. [2 ]
Smirnova, L. A. [1 ]
机构：
[1] Nizhnii Novgorod State Univ, Nizhnii Novgorod 603950, Russia
[2] Russian Acad Sci, Razuvaev Inst Organometall Chem, Nizhnii Novgorod 603950, Russia
来源：
POLYMER SCIENCE SERIES B | 2012年 / 54卷 / 3-4期
关键词：
COPOLYMERIZATION; CHITIN/CHITOSAN; CHITIN;
D O I：
10.1134/S1560090412030013
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 kinetic features of the grafting polymerization of acrylonitrile and methyl acrylate on chitosan with the use of hexaamminecobalt(III) chloride as an initiator are studied in the temperature range 294-333 K. It is shown that hexaamminecobalt(III) chloride as an initiator provides a high grafting efficiency of vinyl polymers without degradation of the polysaccharide backbone. The activation energy of the process is similar to 17 kJ/mol. The mechanical properties of the films of graft copolymers are better than those of the initial chitosan.
引用
收藏
页码：167 / 174
页数：8
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