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Article Dans Une Revue Polymer Composites Année : 2013

Electrical and thermal properties of polyethylene/silver nanoparticle composites

Abderrahim Boudenne
Gisèle Boiteux
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Résumé

The concentration dependence of specific heat, electrical and thermal conductivities of nanocomposites based on high-density polyethylene (HDPE) filled with silver nanoparticles have been investigated. The composites filled with high filler content show high electrical and thermal conductivities. The dielectric relaxation spectroscopy was used to investigate the electrical properties in the studied systems. The scaling law of electrical percolation was used for an exact estimation of the percolation threshold (Pc). A low electrical percolation threshold was found in the investigated composites. The rule of mixture was sufficient for the prediction of the specific heat dependence of HDPEAg nanocomposites as a function of the weight filler content. The basic models of the thermal conductivity have a tendency to underestimate the measured values for the low and high filler concentrations.
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Dates et versions

hal-00867878 , version 1 (30-09-2013)

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Mohammad Jouni, Abderrahim Boudenne, Gisèle Boiteux, Valérie Massardier, Bertrand Garnier, et al.. Electrical and thermal properties of polyethylene/silver nanoparticle composites. Polymer Composites, 2013, 34, pp.778-786. ⟨10.1002/pc.22478⟩. ⟨hal-00867878⟩
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