Video discs and molding compositions therefor

Details Video discs and molding compositions therefor Video discs and molding compositions therefor

1980-05-08

1981-07-28

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252511, 260 4249, C08L 9100

Patent

active

042809410

ABSTRACT:
A polyvinyl chloride based molding composition containing polymer grafted conductive carbon particles has good processability, low heat distortion temperature and good dispersion of the conductive particles and can be molded to form video discs of improved electrical properties.

REFERENCES:
patent: 3318826 (1967-05-01), Bridgeford
patent: 3655825 (1972-04-01), Souder et al.
patent: 3833408 (1974-09-01), Matthies
patent: 3842194 (1974-10-01), Clemens
patent: 3842217 (1974-10-01), Clemens
patent: 3909517 (1975-09-01), Clemens
patent: 4129536 (1978-12-01), Martin et al.
patent: 4151132 (1979-04-01), Khanna
Minoura et al.; "Graft Copolymerization of Styrene with Carbon Black Alkali Metal Complex;" Journal of Applied Polymer Science; 13, 1969.

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