Monomer recovery in gas phase fluid bed olefin polymerization

Details Monomer recovery in gas phase fluid bed olefin polymerization Monomer recovery in gas phase fluid bed olefin polymerization

1993-09-23

1994-12-27

Reddick, Judy M.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526901, C08F 234

Patent

active

053767420

ABSTRACT:
Unreacted monomer present in an ethylene/C.sub.3 -C.sub.8 alpha-olefin copolymer product produced in a catalyzed fluid bed polymerization process is purged with a gaseous stream obtained by subjecting a portion of the gaseous effluent from the fluidized bed to a partial condensation, separating the liquid phase from the gaseous phase obtained and employing the gaseous phase as the gas to purge unreacted monomer from the copolymer product.

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