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    • 3. 发明授权
    • DC high-voltage wire
    • 直流高压线
    • US5460886A
    • 1995-10-24
    • US450804
    • 1989-12-14
    • Keiji UenoTomizo YanoIkujiro Uda
    • Keiji UenoTomizo YanoIkujiro Uda
    • H01B9/02H01B3/44H01B7/295B32B27/00D02G3/00
    • H01B7/295H01B3/44Y10T428/2927Y10T428/2933Y10T428/294Y10T428/2947
    • A DC high-voltage wire comprising: a conductor; a resin composition layer coating the conductor, the resin composition layer comprising a polyolefin resin containing carbon black in an amount of not less than 10 parts by weight per 100 parts by weight of the polyolefin resin, having an insulation resistance of not more than 10.sup.10 .OMEGA..cndot.cm; an insulating layer coating the resin composition layer, the insulation layer comprising polyethylene having a softening temperature of not lower than 105.degree. C.; and a fire retardant protective coating layer coating the insulating layer, the fire retardant protective coating layer comprising (1) a terpolymer of ethylene, vinyl acetate and vinyl chloride, and/or a terpolymer of ethylene, methyl methacrylate and vinyl chloride, and (2) a copolymer of chlorinated ethylene and vinyl chloride; the resin composition layer, the insulating layer and the fire retardant protective coating layer each being crosslinked.
    • 一种直流高压线,包括:导体; 涂覆导体的树脂组合物层,该树脂组合物层包含含有每100重量份聚烯烃树脂不少于10重量份的碳黑的聚烯烃树脂,绝缘电阻不大于1010欧米伽 。厘米; 涂覆树脂组合物层的绝缘层,所述绝缘层包含软化温度不低于105℃的聚乙烯。 以及涂覆绝缘层的阻燃保护涂层,所述阻燃保护涂层包括(1)乙烯,乙酸乙烯酯和氯乙烯的三元共聚物和/或乙烯,甲基丙烯酸甲酯和氯乙烯的三元共聚物,和(2 )氯化乙烯和氯乙烯的共聚物; 树脂组合物层,绝缘层和阻燃保护涂层各自交联。