Electroconductive resin composite material for molding

Details Electroconductive resin composite material for molding Electroconductive resin composite material for molding

1981-08-26

1983-07-26

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

524495, 524496, 525191, 525221, 525386, H01B 106

Patent

active

043953620

ABSTRACT:
An electroconductive resin composite material for molding having excellent mechanical strength and electrical properties. The resin comprises 100 parts by weight of polypropylene, from 10 to 50 parts by weight of a modified polypropylene obtained either by chemically modifying polypropylene with an organic unsaturated carboxylic acid or by copolymerizing propylene and the organic unsaturated carboxylic acid, from 5 to 65 parts by weight of carbon fiber having a diameter of 5 to 20 micrometers, the ratio of length to diameter of the fiber being not less than 10, and from 5 to 65 parts by weight of electroconductive carbon black, the specific surface area being at least 800 m.sup.2 /g.

REFERENCES:
patent: Re28336 (1975-02-01), Dalton
patent: 3745142 (1973-07-01), Mahlman
patent: 3902532 (1975-09-01), Caron
patent: 3963647 (1976-06-01), Straub
patent: 4002595 (1977-01-01), Adelman
patent: 4278510 (1981-07-01), Chien et al.

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