Author： Saleem Anjum Frormann Lars Iqbal Azhar
Publisher： Springer Publishing Company
ISSN： 1022-9760
Source： Journal of Polymer Research, Vol.14, Iss.2, 2007-04, pp. : 121-127
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Abstract
Composites consisting of carbon fibers (CF) and carbon particles (CP) in polypropylene (PP) matrix were melt-compounded. Composites were analyzed for their mechanical, electrical and thermal properties. Results indicate that the addition of these fillers improved the mechanical properties of the composites. Thermal conductivity was enhanced as the concentration of fillers was increased. Carbon fibers render the composites electrically conductive so we observed a percolation threshold near 10 wt.% of CF for PP/CF (PP and CF composite) and near 25 wt.% of CP for PP/CP (PP and carbon particle composite). All the results indicated that carbon fibers are more effective in improving the properties as compare to the carbon particles.
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