Removal of catalyst residues from carbon monoxide/olefin polymer

Details Removal of catalyst residues from carbon monoxide/olefin polymer Removal of catalyst residues from carbon monoxide/olefin polymer

1986-11-26

1988-11-22

Anderson, Harold D.

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

Synthetic resins

Treating polymer containing material or treating a solid...

526 69, 528392, 528494, 528495, 528496, C08G 6702

Patent

active

047867167

ABSTRACT:
The invention is a process for reducing catalyst residues from a Group VIII metal compound-containing polymer of CO, ethylene and optionally at least one of olefinically unsaturated hydrocarbon. The process comprises contacting the polymer with an effective amount of a bidentate phosphine ligand having the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent hydrocarbon groups which may contain polar or non-polar substituents and R represents a bivalent organic bridging group containing at least two carbon atoms in the bridge.

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