Polyolefin composition containing high molecular weight polyethy

Details Polyolefin composition containing high molecular weight polyethy Polyolefin composition containing high molecular weight polyethy

1980-08-15

1981-12-15

Weinblatt, Mayer

Compositions

Defined liquid dielectric dispersed in defined web or sheet

174110PM, 174110R, 174110SR, 174110A, 260 4595S, H01B 318, H01B 320

Patent

active

043058493

ABSTRACT:
A polyolefin composition for electrical insulation which comprises polyolefin or crosslinked polyolefin and a small quantity of high-molecular weight polyethylene glycol. This composition is far less vulnerable to the deterioration that occurs as dendroid voids when employed as an electrical insulation of high-tension power cables which are operated under water. The polyethylene glycol has more than 44 carbon atoms and is used in an amount from 0.3 to 10 wt % based on polyolefin.

REFERENCES:
patent: 3956420 (1976-05-01), Kato et al.
patent: 4013622 (1977-03-01), DeJuneas et al.
patent: 4206260 (1980-06-01), McMahon

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