Method for removing carbon particles from a molded article

Details Method for removing carbon particles from a molded article Method for removing carbon particles from a molded article

1980-11-14

1983-01-18

Henderson, Jr., C. A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

210773, 210807, 528494, C08F 600, B01D 2908

Patent

active

043693075

ABSTRACT:
A method for separating out carbon particles from a composition comprising a plastic and carbon particles of submicron dimensions comprising the steps of adding the composition to an organic solvent for the plastic which does not dissolve the carbon particles at a concentration sufficiently dilute to allow the carbon particles to be free from the plastic and filtering the resulting mixture in a calcium carbonate column which traps essentially all of the carbon particles.

REFERENCES:
patent: 3544458 (1970-12-01), Sato
Waters Associates Liquid Chromatograpy School, p. ES1.

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