Electrical and Mechanical Properties of Conductive Carbon Black Filled Epoxidized Natural Rubber

Suradet Matchawet; Charoen Nakason; Azizon Kaesaman

doi:10.4028/www.scientific.net/AMR.844.255

Paper Titles

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Silica-Reinforced Natural Rubber Compounds Compatibilized through the Use of Epoxide Functional Groups and TESPT Combination
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 844Electrical and Mechanical Properties of Conductive...

Electrical and Mechanical Properties of Conductive Carbon Black Filled Epoxidized Natural Rubber

Abstract:

Electrical and mechanical properties of epoxidized natural rubber (ENR-25) filled with conductive carbon black (CCB) have been investigated. SEM was used to analyze dispersion of CCB particles in rubber matrix. The results indicated that the AC conductivity increase with increasing volume fraction of carbon black as well as frequency. The percolation thresholds of the electrical conductivity was found at 0.10 volume fraction of CCB. Furthermore, addition of CCB at volume fraction 0.05 caused the highest tensile strength of the composites. The tensile strength and elongation at break were decreased with increasing content of CCB greater than 0.05 volume fraction. However, the volume fraction of CCB at 0.10 demonstrated the most suitable proportion for the ENR composites with superior electrical and mechanical properties.

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Periodical:

Advanced Materials Research (Volume 844)

Pages:

255-258

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.844.255

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Online since:

November 2013

Authors:

Suradet Matchawet, Charoen Nakason, Azizon Kaesaman

Keywords:

Composite, Conductive Filler, Electrical Conductivity, Epoxidized Natural Rubber (ENR), Percolation Threshold

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