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The low thermal conductivity of polymers can be improved with the incorporation of fillers with a relatively high thermal conductivity. However, the improvement which can be achieved depends not only on the filler properties but also on the interaction between the polymer matrix and fillers. In this study, a variety of polymer composites with surface modified particles were synthesized. Hexagonal...
We prepared two kinds of ionic liquids (DEME BF4, DEME TFSI), and measured the thermal conductivity of the ionic liquids and the ac loss of the Bi-2223 tape using the ionic liquid impregnation under dc magnetic field in liquid nitrogen. As a result, the thermal conductivity of DEME is approximately twice that of the epoxy. When the mechanical loss is maximum value, the loss can be reduced...
Epoxy/AlN composites were prepared using high purity AlN particles with an average size of 1.1 μm. AlN particles were surface-treated with three kinds of silane coupling agents and three kinds of surface-modifiers. Dielectric properties and thermal conductivity were evaluated. As a result, it was found that silane coupling agents with epoxy, mercapto, and amino groups create higher thermal conductivity...
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