Removal of catalyst remnants from carbon monoxide/olefin polymer

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

1988-03-14

1989-08-08

Anderson, Harold D.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

528487, C08G 6702

Patent

active

048554014

ABSTRACT:
A linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon having enhanced purity is produced by contacting the polymer, subsequent to polymerization but prior to recovery from the polymerization mixture, with a bisphosphinopropane of specified structure at a temperature at least 20.degree. C. above the polymerization temperature.

REFERENCES:
patent: 2495286 (1950-01-01), Brubaker
patent: 3694412 (1972-09-01), Nozaki

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