HEAT-CONDUCTIVE DIELECTRIC POLYMER MATERIAL AND HEAT DISSIPATION SUBSTRATE CONTAINING THE SAME
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
Sep 14, 2011
filing date -
Sep 14, 2011
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Abstract
A heat-conductive dielectric polymer material includes a thermosetting epoxy resin, a nonwoven fiber component, a curing agent and a heat-conductive filler. The thermosetting epoxy resin is selected from the group consisting of end-epoxy-function group epoxy resin, side chain epoxy function group epoxy resin, multi-functional epoxy resin or the mixture thereof. The thermosetting epoxy resin comprises 4%-60% by volume of the heat-conductive dielectric polymer material. The curing agent is configured to cure the thermosetting epoxy resin at a curing temperature. The heat-conductive filler comprises 40%-70% by volume of the heat-conductive dielectric polymer material. The nonwoven fiber component comprises 1%-35% by volume of the heat-conductive dielectric polymer material. The heat-conductive dielectric polymer material has a thermal conductivity greater than 0.5 W/mK.
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