Process for the removal of vinyl chloride from polyvinyl chlorid

Details Process for the removal of vinyl chloride from polyvinyl chlorid Process for the removal of vinyl chloride from polyvinyl chlorid

1977-01-21

1980-10-07

Henderson, C. A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

526200, 528490, 528501, C08F 624, C08F 616, C08F 220

Patent

active

042269741

ABSTRACT:
Vinyl chloride is removed from polyvinyl chloride dispersions, latexes, and slurries by sparging them with an inorganic gas, such as air or ammonia, while they are maintained at subatmospheric pressure.

REFERENCES:
patent: 3522227 (1970-07-01), Thomas
patent: 3622553 (1971-11-01), Cines
patent: 3956249 (1976-05-01), Goodman

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