Process for removing unpolymerized gaseous monomers from olefin

Details Process for removing unpolymerized gaseous monomers from olefin Process for removing unpolymerized gaseous monomers from olefin

1992-11-02

1994-03-08

Schofer, Joseph L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

C08F 628

Patent

active

052928632

ABSTRACT:
A process for removing unpolymerized gaseous monomers from a solid olefin polymer containing said gaseous monomers by feeding an inert purge gas through a vessel containing constraint means which defines the upper limit of an expandable bed in the vessel and countercurrently contacting the solid polymer under expanded bed conditions.

REFERENCES:
patent: 3866332 (1975-02-01), Hertz
patent: 4372758 (1983-02-01), Bobst et al.
patent: 4596079 (1986-06-01), Brod
patent: 4758654 (1988-07-01), Brod

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