Process for removing volatile matter from styrene resin

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...

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C08F 624

Patent

active

041828542

ABSTRACT:
Volatile substances are removed from styrene resin by introducing steam into styrene resin suspended in hot water, while agitating the suspension, to maintain the suspension at a temperature of 120.degree. to 150.degree. C. and a pressure of 1.4 to 4 kg/cm.sup.2 G whereby to remove the volatile substances.

REFERENCES:
patent: 2713043 (1955-07-01), Daumiller
patent: 3325457 (1967-06-01), Finestone et al.
patent: 3491071 (1970-01-01), Lanzo

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