Polymers naturally have low thermal conductivity. Polymer composites with practical high dielectric strength are required to have relatively high thermal conductivity. When polymers are loaded with high thermally conductive inorganic micro-fillers, 88resulting composites have high thermal conductivity due to percolation effect of micro-fillers. However, they often suffer from reduced dielectric breakdown strength. In order to overcome this reduction, a certain nanotechnology method has been explored using nanofillers.
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