Electrical insulation I

Details Electrical insulation I Electrical insulation I

1984-12-12

1986-04-08

Lilling, Herbert J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

174110PM, 174110SR, 428461, 428704, 524140, 524145, 524417, 524580, C08K 332, C08K 552, H01B 344, C08L 2304

Patent

active

045812900

ABSTRACT:
The invention relates to electrical insulation material of a polyolefin composition with a phosphate additive which prevents the formation of so-called water trees. The phosphate additive may be a water-soluble alkali or earth-alkali phosphate and/or a hydrolysable phosphoric acid ester (RO).sub.3 PO, wherein at least one of the substituents R is an aliphatic radical and the remaining substituents may be hydrogen or an aliphatic radical. The electrical insulation according to the invention is suited particularly for use in cables and wires.

REFERENCES:
patent: 3974132 (1976-08-01), Valdiserri
patent: 4198310 (1980-05-01), Lyons et al.
patent: 4206260 (1980-06-01), McMahon
patent: 4219607 (1980-08-01), Cammack et al.
patent: 4223071 (1980-09-01), Boyer et al.
patent: 4325850 (1982-04-01), Mueller
patent: 4337188 (1982-06-01), Climenhage et al.
Derwent Abstract, 54223E/26 (9-1981).
Derwent Abstract, 36947y/21 (J5245647) 4-1977, Dainichi.

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