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Graphite Nanoplatelets Composite Materials: Role of the Epoxy-System in the Thermal Conductivity

¹ Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, Université Lyon 1, Lyon, France
² Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, Université Lyon 1, Lyon, France
³ Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, Université Lyon 1, Lyon, France
⁴ Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, Université Lyon 1, Lyon, France
⁵ Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, Montpellier, Université Lyon 1, Lyon, France
⁶ Materials and Solid Insulation Architect-Energy BU/Medium Voltage Switchgear, Schneider Electric, Grenoble, France
⁷ Laboratorio de Materiales para Tecnologías Emergentes, Centro de Investigación en Tecnología de los Materiales, Instituto Venezolano de Investigaciones Científicas, Maracaibo, Venezuela
⁸ Laboratorio de Materiales para Tecnologías Emergentes, Centro de Investigación en Tecnología de los Materiales, Instituto Venezolano de Investigaciones Científicas, Maracaibo, Venezuela

Journal of Materials Science and Chemical Engineering·Volume 03 (2015)·Pages 75–87·Published 24 April 2015·DOI10.4236/msce.2015.35009

Abstract

Polymers typically have intrinsic thermal conductivity much lower than other materials. Enhancement of this property may be obtained by the addition of conductive fillers. In this research, epoxy nanocomposites with exfoliated graphite nanoplatelets are prepared and characterized. The chosen approach requires no surface treatment and no sophisticated equipments allowing one to produce composites on a pilot scale. A significant increase of the thermal conductivity with the increasing of the graphite fillers content is nevertheless observed on 4 mm thick specimens. Our results viewed in the latest scientific findings suggest that the choice of resin is an important parameter to move towards composite materials with high thermal conductivity.

KeywordsComposite Epoxy-GnPThermal ConductivityGraphite NanoplateletsExfoliated Graphite

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Graphite Nanoplatelets Composite Materials: Role of the Epoxy-System in the Thermal Conductivity

Abstract

References (23)