Effect of concentration and temperature on the electrical conductivity of butyl rubber loaded with different types of carbon black
作者:
A. I. Eatah,
A. A. Ghani,
A. A. Hashem,
期刊:
Die Angewandte Makromolekulare Chemie
(WILEY Available online 1989)
卷期:
Volume 165,
issue 1
页码: 69-78
ISSN:0003-3146
年代: 1989
DOI:10.1002/apmc.1989.051650106
出版商: Hüthig&Wepf Verlag
数据来源: WILEY
摘要:
AbstractIn this study we are interested in the effect of concentration and temperature on the electrical resistivity of butyl rubber (IIR) loaded with two types of carbon black, (namely, high abrasion furnace black (HAF), and fast extrusion furnace black (FEF)). It was found that the conductivity at low carbon black concentrations is mainly achieved by thermal activation of carriers. Tunneling mechanism at low termperature followed by thermal activation at relatively high temperature is found to be predominant for moderate concentrations for both carbon blacks. The metal‐like behaviour which was observed in highly loaded compounds was attributed to both, the thermal expansion of the tunneling paths between carbon‐carbon agglomerates and the breakdown of carbon agglomerates with temperat
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