Comparison of electrical insulation properties of hydrocarbon-based thermosetting resin and epoxy resin

This paper deals with electrical insulation properties of hydrocarbon-based thermosetting resin that is tricyclopentadiene resin (TCP resin)/dicyclopentadiene (DCP resin) copolymer in comparison with those of conventional epoxy resin. To meet the needs of high heat resistance and high-voltage resistance to electrical insulating material, electrical insulation properties of TCP/DCP copolymer sample are investigated in the temperature region up to 250°C. As a result, DC conductivity σ
_dc
of TCP/DCP copolymer is 3 orders of magnitude lower than that of the epoxy resin. It was shown that TCP/DCP copolymer is a promising dielectric material having low electric conductivity and high heat resistance.