Electroconductive resin composition and a videodisc record

Details Electroconductive resin composition and a videodisc record Electroconductive resin composition and a videodisc record

1983-04-26

1984-08-14

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

524504, 523174, 525317, H01B 106

Patent

active

044656157

ABSTRACT:
An electroconductive resin composition is a blend of 5-30% by weight carbon black and a graft-polymer. The graft-polymer is obtained by graft polymerizing 99-76 parts by weight of monomeric vinyl chloride to 1-15 parts by weight of an ethylenevinyl acetate copolymer, the ethylenevinyl acetate copolymer containing 10-65% by weight of vinyl acetate. The electroconductive resin composition has superior heat resistance and mechanical strength and improved flowability and heat stability. The electroconductive resin composition is particularly suitable for preparing video disc records.

REFERENCES:
patent: 4280941 (1981-07-01), Datta et al.
patent: 4351747 (1982-09-01), Miyamoto et al.
patent: 4378310 (1983-03-01), Datta et al.

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