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Electric Conductivity of Polymer Composites at Mechanical Relaxation

Jimsher Aneli1, Gennady Zaikov2 and Omar Mukbaniani1
Affiliation: 
1I. Javakhishvili Tbilisi State University, Chemical Department, Tbilisi, Georgia; jimaneli@yahoo.com 2N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences 4 Kosygin str., 119334 Moscow, Russia; Chembio@sky.chph.ras.ru
DOI: 
https://doi.org/10.23939/chcht05.02.187
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Keywords:

Abstract: 
Effect of mechanical relaxations on the relaxation phenomena of electrical conducting polymer composites (ECPC) has been investigated. It has been experimentally shown that filler content significantly affects relaxation characteristics of the material. The main reason of these differences is the effect of the filler type on proceeding of relaxation processes. Rubbers with active carbon blacks display the ranges of slow and fast relaxations much more clearly than those with low active carbon black. The effect of the filler type is displayed by formation of an inter-phase layer and is similar to the effect of the filling degree. In the case of active carbon blacks, the increase of the filler-filler and polymer-filler interactions is balanced by a high content of low active carbon blacks, since in both cases the modules of the material and internal friction grow.
References: 

[1] Bartenev G.: Structura i Relaxacionnye Svoistva Elastomerov. Khimia, Moskwa 1979.

[2] Casale A. and Porter R.: Polymer Stress Reactions. Acad. Press, New-York 1978.

[3] Nielsen L.: Mechanical Properties of Polymers and Composites on their Basis. Marcell Decker Inc, New-York 1974.

[4] Donnet A. and Voet A.: Carbon Black, Marcell Decker, New-York-Basel 1976.

[5] Aneli J., Khananashvili L. and Zaikov G.: Structuring and Conductivity of Polymer Composites. Nova Science Publishers, New-York 1998.

[6] Aneli J., Zaikov G. and Khananashvili L.: J. Appl. Polym. Sci., 1999, 74, 601.
https://doi.org/10.1002/(SICI)1097-4628(19991017)74:3<601::AID-APP14>3.0.CO;2-K