Conductivity mechanism of mica powders inlaid elastomer based materials

In this study, electrical properties of mica powder inlaid NR/SBR type elastomer based rubber material have been investigated by dielectric spectroscopy. Electrical modulus of this sample showed dispersion in the frequency range investigated, especially in the lower frequency region of the dispersion curve showing long distance conductivity for the charge carriers. DC conductivity curve exhibits that glass transition temperature is around 350 K. AC conductivity behavior supports the Correlated Barrier Hopping mechanism.