Synthesis, Characterization and Conductivity Study of poly(N-vinylimidazole) Salt in Solid State

被引：0
|
作者：
Goswami, Samadrita [1 ]
Dutta, Aradhana [1 ]
机构：
[1] Dibrugarh Univ, Dept Chem, Polymer Res Lab, Dibrugarh 786004, Assam, India
来源：
JOURNAL OF POLYMER MATERIALS | 2011年 / 28卷 / 03期
关键词：
Ionics; Poly(N-vinylimidazole); conductivity; polyelectrolyte; IONIC-CONDUCTIVITY; POLYMER ELECTROLYTES;
D O I：
暂无
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 present work deals with the study of conductivities of the polymer Poly(N-vinylimidazole) and the polyelectrolyte Poly(N-vinylimidazole)- HClO4. N-vinylimidazole is polymerized by free radical method and PVIM-HClO4, is prepared by acidification of PVIM with HClO4. Both the compounds have been characterized by IR, (HNMR)-H-1, TGA, DSC analysis. The conductivity measurements are done by varying frequency (0.001-100KHz) and temperature (30 degrees-90 degrees C). The electrical conductivity of the polyelectrolyte is found to be in the range of 10(-5) to 10(-6) S cm(-1). There is about 10(2)-10(3) fold increase in conductivity of the polyelectrolyte than the parent polymer. The polyelectrolyte is shown to be a predominantly ionic conductor with t(ion) = 0.88. Apparent activation energies for the polymer and the polyelectrolyte found to be 0.397 eV and 0.773 eV, respectively
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页码：367 / 375
页数：9
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