Preparation of powdered rubbers

Details Preparation of powdered rubbers Preparation of powdered rubbers

1975-05-28

1976-04-27

Hamrock, William F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526 5, 526216, 526335, 526342, 260 45, 260 85R, 427214, C08C 300, C08C 400, C08K 1100, C08K 1172

Patent

active

039533891

ABSTRACT:
Process for the preparation of a free-flowing powdered rubber by treating a rubber with an aqueous dispersion of an anti-tack agent and suspending the rubber in powdered form in a stream of gas (e.g. air), removing at least part of the water and subsequently treating the powdered rubber with a dusting material.

REFERENCES:
patent: 2953556 (1960-09-01), Wolfe et al.
patent: 3194781 (1965-07-01), Hedberg et al.
patent: 3281387 (1966-10-01), Wood et al.

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