Formulation of electrically conductive plastics

Details Formulation of electrically conductive plastics Formulation of electrically conductive plastics

1983-10-12

1984-08-14

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

264105, 358342, 358343, 358344, 524495, H01B 106

Patent

active

044656165

ABSTRACT:
A method for obtaining a capacitive information disc record conductive molding composition having a desired melt viscosity wherein the conductive molding composition comprises carbon black and a plastic molding resin. The method comprises the steps of measuring the surface area of the carbon black particles; determining the relationship of the amount by weight of carbon black and the surface area of the carbon black particles to the melt viscosity of the conductive molding composition; and formulating the conductive molding composition by having carbon black present in an amount which is in accord with the relationship for the desired conductive molding composition melt viscosity.

REFERENCES:
patent: 3842194 (1974-10-01), Clemens
patent: 4228050 (1980-10-01), Martin et al.
patent: 4396660 (1983-08-01), Hatu et al.

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