| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to field of polymer materials science, namely to electroconductive materials with positive temperature resistance coefficients, and can be applied for production of electric heating elements, which are applied for heating of pipelines, intended for transportation of highly viscous products, for instance, oil and oil products. Material by invention contains, wt %: rubber mixture of mark B-14 - 50-55, superhighlymolecular polyethylene -15-20, coke -30-35. Coke is preliminarily mixed with superhighlymolecular polyethylene. ^ EFFECT: obtaining electroconductive composition material with using cheap and available ingredients. ^ 1 dwg, 1 tbl |
