Polymerization of CO/olefin with two distinct temperatures

Details Polymerization of CO/olefin with two distinct temperatures Polymerization of CO/olefin with two distinct temperatures

1990-10-18

1992-03-10

Anderson, Harold D.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

C08G 6702

Patent

active

050950916

ABSTRACT:
An improved process for the production of linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a reaction diluent and a catalyst composition formed from a palladium compound, the anion of a strong non-hydrohalogenic acid and a bidentate ligand of phosphorus, nitrogen or sulfur comprises conducting a first polymerization to produce a prepolymer and completing the polymerization at a lower temperature in the presence of sufficient prepolymer to constitute a substantial proportion of the polymerization mixture.

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patent: 4843144 (1989-06-01), Van Broekhoven et al.
patent: 4868282 (1989-09-01), Van Broekhoven et al.
patent: 4880903 (1989-11-01), Van Broekhoven et al.
patent: 4965341 (1990-10-01), Van Doorn et al.

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