Electrically conductive polymer composites based on high-density polyethylene and
carbon black are obtained. It is shown that polymer composites possess a positive temperature
coefficient of electrical resistance. The amount of carbon black required to form electrically
conductive paths in a polymer matrix is determined. Dependence of physico-mechanical and
rheological characteristics of composites on the content of carbon black is revealed. The
concentration interval of carbon black is determined, in which the optimal combination of
physico-mechanical, rheological and electro physical properties of composites.
Keywords: polyethylene; carbon black; composites; properties; electrical; mechanical; rheological; morphology.
full paper (pdf, 864 Kb)