Continuous process for the removal of monomeric impurities from

Details Continuous process for the removal of monomeric impurities from Continuous process for the removal of monomeric impurities from

1978-02-28

1980-11-11

Henderson, C. A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

260 296PT, 5263442, 528501, C08F 616, C08F 1406

Patent

active

042334373

ABSTRACT:
In a process for removing monomeric impurities from an aqueous dispersion of homopolymers or copolymers of vinyl chloride having a surface tension below 60 dyn/cm. by treatment with steam while avoiding foam formation by a rapid lowering of the pressure at high flow velocities, the improvement which comprises:

REFERENCES:
patent: 3052663 (1962-09-01), Bodlaender
patent: 3772262 (1973-11-01), Clementi
patent: 3954910 (1976-05-01), Kropp
patent: 3956249 (1976-05-01), Goodman

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