Deashing process for polyolefins

Details Deashing process for polyolefins Deashing process for polyolefins

1993-05-24

1995-06-20

Schofer, Joseph L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528494, 528495, 528496, C08F 628

Patent

active

054261759

ABSTRACT:
Dicarbonyl compounds and alkylene oxides are used to deactivate a transition metal/organometal catalyst in polymerization of at least one monomer to form a 1-olefin polymer. The polymer is deashed with a lower alcohol optionally followed by a wash with the starting monomer or n-heptane.

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