Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1989-12-14
1995-10-24
Ryan, Patrick J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428372, 428375, 428379, 106472, 174105SC, 174120SC, 174120SK, B32B 2700, D02G 300
Patent
active
054608864
ABSTRACT:
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.
REFERENCES:
patent: 3769085 (1973-10-01), Matsubara
patent: 4400580 (1983-08-01), Yamanouchi et al.
patent: 4588855 (1986-05-01), Kutsuwa et al.
patent: 4857232 (1989-08-01), Burns, Jr.
Central Patent Index, Japanese Patent Abstracts, Unexamined, Derwent, London J 49015741 DW 7437 and JP-A-49-15 741 (Hitachi).
Uda Ikujiro
Ueno Keiji
Yano Tomizo
Gray J. M.
Ryan Patrick J.
Sumitomo Electric Industries Ltd.
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