Polymer compositions

Details Polymer compositions Polymer compositions

1974-07-30

1976-05-04

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260878B, C08K 304, C08F29708

Patent

active

039547043

ABSTRACT:
A polymeric composition comprises a polymerised propylene sequence and a propylene/ethylene copolymer sequence, has a melt index (230.degree.C; 2.16 kgms) of 0.01 to 0.5, preferably 0.025 to 0.25 and an ethylene content in the range 10-30% by weight, preferably at least 15% by weight. The polymer can accept a high carbon loading, for example in excess of 25% by weight. The invention also includes an electric conductor insulated with the polymer and also the use of the carbon filled polymer as a dielectric screen material.

REFERENCES:
patent: 3358056 (1967-12-01), Renaudo
patent: 3639163 (1972-02-01), Bishop et al.
patent: 3798288 (1974-03-01), McManimie et al.
Modern Plastics, 39, No. 10 (1962) "New plastic: Polyallomers" pp. 157-158, 160-161 and 206.

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