The electrical conductivity of ethylene butyl-acrylate/carbon black composites: The effect of foaming on the percolation threshold

被引：15
作者：
Peliskova, M. [1 ,2 ]
Piyamanocha, P. [1 ]
Prokes, J. [3 ]
Varga, M. [3 ]
Saha, P. [1 ,2 ]
机构：
[1] Tomas Bata Univ Zlin, Univ Inst, Ctr Polymer Syst, Zlin 76001, Czech Republic
[2] Tomas Bata Univ Zlin, Fac Technol, Ctr Polymer, Zlin 76001, Czech Republic
[3] Charles Univ Prague, Fac Math & Phys, Prague 18200 8, Czech Republic
来源：
SYNTHETIC METALS | 2014年 / 188卷
关键词：
Electroconductive polymer composites; Foaming; Carbon black; Electrical conductivity; Percolation threshold; CARBON-BLACK; NANOCOMPOSITE FOAMS; POLYMER COMPOSITES; GRAPHITE; PARTICLES; TRANSPORT; POLYANILINE; BEHAVIOR; DENSITY;
D O I：
10.1016/j.synthmet.2013.12.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The main objective of this work is to study the influence of foaming on the percolation threshold of carbon black-filled polymer composites. The electrical conductivity, structure and tensile strength properties of solid and foamed ethylene butyl-acrylate/carbon black composites were investigated. The percolation threshold of solid composites was 10.9 vol.%, whereas for composite foams it decreased to 5.8 vol.% of carbon black. It was found that the charge transport mechanism of composites was not affected by the foaming. The reported decrease of the percolation threshold is attributed rather to the volume exclusion effect and carbon black redistribution. As a result, a conducting composite with a reduced specific volume and filler content can be prepared. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：140 / 145
页数：6
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