Figures of Merit for Electrically Conductive Polymer Composites
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In an effort to determine the optimal balance of electrical and mechanical performance for electrically conductive polymer composites, three figures of merit were evaluated. All three figures of merit displayed peaks and/or discontinuities at a particular filler loading. These loadings appear to correspond to the critical pigment volume concentration for a given system. Composite systems based upon latex as the matrix starting material showed peaks in the figures of merit at very low carbon black concentrations (10 vol%), while composites prepared with polymer solutions or melts had peaks above 20 vol% carbon black. These differences in behaviour are attributed to differences in microstructural evolution that occur with filler loading.
author list (cited authors)
Grunlan, J. C., Gerberich, W. W., & Francis, L. F.