| 摘要 |
FIELD: electrical engineering. ^ SUBSTANCE: invention relates to manufacture of electroconductive materials by way of applying electroconductive coating, impregnated-paper insulation, and electroconductive threads of power cables onto paper base. In particular, material consists of natural paper base and electroconductive layer, whose thickness constitutes 0.03-0.14 that of insulation layer placed on paper and composed of aqueous suspension of carbon black (6-10%) and polyvinyl alcohol (1.0-4.0%) together with additives of acrylic acid ester/methacrylic acid ester copolymer (7-12%) and oxyethylated (with at least 7 ethylene oxide groups) alkylphenol or sodium polyacrylate (0.1-0.5%). ^ EFFECT: improved workability, electrical conductivity, strength, elasticity, heat resistance, moisture resistance, and resistance to splitting within cable. ^ 3 tbl |
