摘要:
In an insulating joint for a rubber or plastic insulated power cable, insulation shields (6) are formed around insulation layers (4) covering cable conductor (1) joint portions of adjacent cables so that the insulation shields (6) are longitudinally opposed to each other with a layer (7) with high dielectric constant and high volume resistivity interposed therebetween. The layer (7) comprises a mixture consisting of 100 parts by weight of a rubber or plastic as a base, 50 to 700 parts by weight of one or both of silicon carbide or zinc oxide, and 2 to 60 parts by weight of carbon black.
摘要:
A rubber or plastic insulated power cable has a rubber or plastic insulation layer (3) on a conductor (1), wherein the insulation layer (3) comprises a crosslinked or noncrosslinked resin composition comprising a copolymer or ethylene and CH 2 =CR(COOH) (wherein R is H or CH 3 ) or a mixture of the copolymer and polyolefin, and a content of -CH 2 CR(COOH)-in the resin composition falls within a range of 0.1 to.20% by weight.
摘要:
A rubber or plastic insulated power cable has a rubber or plastic insulation layer (3) on a conductor (1), wherein the insulation layer (3) comprises a crosslinked or noncrosslinked resin composition comprising a copolymer or ethylene and CH 2 =CR(COOH) (wherein R is H or CH 3 ) or a mixture of the copolymer and polyolefin, and a content of -CH 2 CR(COOH)-in the resin composition falls within a range of 0.1 to.20% by weight.
摘要:
A polyolefin series resin composition for water-tree retardant electric insulation which comprises a polyolefin series resin and an organic isocyanate compound having at least one isocyanate radical in the molecule, or said po-. lyolefin series resin, said organic isocyanate compound and an organic peroxide.
摘要:
A polyolefin series resin composition for water-tree retardant electric insulation which comprises a polyolefin series resin and an organic isocyanate compound having at least one isocyanate radical in the molecule, or said po-. lyolefin series resin, said organic isocyanate compound and an organic peroxide.