Process for removing residual vinyl chloride from vinyl chloride

Details Process for removing residual vinyl chloride from vinyl chloride Process for removing residual vinyl chloride from vinyl chloride

1975-07-15

1980-04-08

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

260 23XA, 260 296PT, 528483, C08F 616, C08F 624

Patent

active

041973992

ABSTRACT:
Process for removing the residual vinyl chloride monomer present after polymerisation in vinyl chloride polymers in the form of an aqueous dispersion which is heated to a temperature at least equal to the glass transition temperature of the polymer and subjected to stripping by an inert fluid while being maintained at a temperature at least equal to the glass transition temperature of the polymer.

REFERENCES:
patent: 2068424 (1937-01-01), Mark et al.
patent: 2373347 (1945-04-01), Schoenfeld
patent: 3052663 (1962-09-01), Bodlaender
patent: 3956249 (1976-05-01), Goodman et al.

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