CARBON BLACK FILLED IMMISCIBLE BLEND OF POLY(VINYLIDENE FLUORIDE) AND HIGH DENSITY POLYETHYLENE: ELECTRICAL PROPERTIES AND MORPHOLOGY

摘要

Carbon black(CB)-filled poly(vinylidene fluoride)(PVDF)/high density polyethylene(HDPE) composites were prepared by melt-mixing. CB was found to have stronger affinity to HDPE phase than to PVDF phase, leading to its selective localization in the HDPE phase. The electrical conductivity, positive temperature coefficient(PTC) effects, negative temperature coefficient(NTC) effects, and morphology were investigated in detail.