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Electrically induced gel-sol transition of polyvinyl alcohol/polyacrylamide semi-interpenetrated hydrogels

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【Author】 Xia Chao Jin,Yong Min Huang~*,Hong Lai Liu Lab for Advanced Material and Department of Chemistry,East China University of Science and Technology,Shanghai 200237,China

【摘要】 <正>Polyvinyl alcohol/polyacrylamide semi-interpenetrated hydrogels were prepared via freeze-thaw process.When a 20 V of DC was applied across the gels,the gels with lower polyacrylamide content underwent a contraction or partly turned into solution,while for the gels with higher polyacrylamide concentration,a complete gel-sol transition was observed in a short time.更多还原

【Abstract】 Polyvinyl alcohol/polyacrylamide semi-interpenetrated hydrogels were prepared via freeze-thaw process.When a 20 V of DC was applied across the gels,the gels with lower polyacrylamide content underwent a contraction or partly turned into solution,while for the gels with higher polyacrylamide concentration,a complete gel-sol transition was observed in a short time.更多还原

【关键词】 Gel-sol transition； Polyvinyl alcohol； Polyacrylamide； Direct current；
【Key words】 Gel-sol transition； Polyvinyl alcohol； Polyacrylamide； Direct current；

【基金】 supported by the National Natural Science Foundation of China(Nos.20736002,20706013);Program for Changjiang Scholars and Innovative Research Team in University(No.IRT0721);the 111 Project(No.B08021).

【文献出处】 Chinese Chemical Letters ,中国化学快报(英文版) , 编辑部邮箱 ,2009年03期

【分类号】O631.3
【被引频次】3
【下载频次】33

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