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

被引：19

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：

Percolation (computer storage) - Percolation (fluids) - Nanofibers - Fillers - Solvents;

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.

引用

页码：169 / 177

页数：8

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