Process for continuously removing volatile organic material from

Details Process for continuously removing volatile organic material from Process for continuously removing volatile organic material from

1977-11-16

1979-04-24

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296PT, C08L 2706

Patent

active

041511417

ABSTRACT:
Volatile organic materials are continuously removed from aqueous dispersions of synthetic polymers by flowing a dispersion stream into a zone having a vapor space above the liquid level of the stream while maintaining the pressure within the zone at about the vapor pressure of water at the temperature of the stream, and while maintaining the liquid level of the stream at a depth sufficiently shallow to promote substantially uniform and complete boiling throughout. The process is especially useful for removing residual monomers, such as vinyl chloride and vinylidene chloride, from a latex obtained from an emulsion polymerization reaction.

REFERENCES:
patent: 3663632 (1972-05-01), Takeya et al.
patent: 3930931 (1976-01-01), Baughman et al.
patent: 3980529 (1976-09-01), Wilhelm et al.
patent: 4007022 (1977-02-01), Schleicher et al.
patent: 4017445 (1977-04-01), Grosse-Wortmann et al.
patent: 4020032 (1977-04-01), Kalka et al.
patent: 4031056 (1977-06-01), Patel et al.
patent: 4032497 (1977-06-01), Kidoh et al.

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