Characterizations of semi-interpenetrating polymer network hydrogels based of chitosan and polyacrylonitrile

被引：0
|
作者：
Shin, SR [1 ]
Yoon, SG [1 ]
Park, SJ [1 ]
Lee, KJ [1 ]
Lee, CK [1 ]
Kim, SI [1 ]
Kim, SJ [1 ]
机构：
[1] Hanyang Univ, Dept Biomed Engn, Seoul 133791, South Korea
来源：
SMART STRUCTURES AND MATERIALS 2003: ELECTROACTIVE POLYMER ACTUATORS AND DEVICES (EAPAD) | 2003年 / 5051卷
关键词：
chitosan; polyacrylonitrile; swelling behavior; bending behavior; electric field;
D O I：
10.1117/12.507921
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Temperature-, pH- and electrical-responsive semi-interpenetrating polymer network (semi-IPN) hydrogels constructed with chitosan and polyacrylonitrile (PAN) were studied. The swelling ratio of hydrogels depends on pH and temperature. The stimuli response of the semi-IPN hydrogel in electric fields was also investigated. When swollen.. the semi-IPN was placed between a pair of electrodes, and it exhibited bending behavior upon the application of an electric field. The electro responsive behavior of the present semi-IPN was also affected by the electrolyte concentration of the external solution. The semi-IPN also showed various degrees of increase of bending behavior depending on the electrical stimulus.
引用
收藏
页码：515 / 525
页数：11
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