Effect of the preparation methods on electrical properties of epoxy resin/carbon nanofiber composites

被引：18
|
作者：
Bannov A.G. [1 ]
Uvarov N.F. [1 ,2 ]
Shilovskaya S.M. [1 ]
Kuvshinov G.G. [1 ,3 ]
机构：
[1] Novosibirsk State Technical University
[2] Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences
[3] Sochi State University
来源：
Nanotechnologies in Russia | 2012年 / 7卷 / 3-4期
关键词：
Preparation Method; Percolation Threshold; Nanofiber Composite; Filler Concentration; Disorder Degree;
D O I：
10.1134/S1995078012020048
中图分类号：
学科分类号：
摘要：
The effect of preparation methods on the electrical properties of epoxy resin/carbon nanofiber (ER/CNF) composites has been investigated. The conductivity, permittivity, and loss tangent of composite materials has been measured in the frequency range of 0. 09 Hz-1 MHz in the region below and above the percolation threshold. Three main preparation methods have been used: mechanical mixing, ultrasonication in ER and a solvent. The electrical properties of composites that were prepared using ultrasonication in a solvent have been determined in a wide range of filler concentrations 0 < p < 45 wt %. It was shown that the effect of the preparation methods on the composite properties varies depending on whether the filler concentration is above or below the percolation threshold. © 2012 Pleiades Publishing, Ltd.
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收藏
页码：169 / 177
页数：8
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