Polymerization of carbon monoxide/olefin with at least one tetra

Details Polymerization of carbon monoxide/olefin with at least one tetra Polymerization of carbon monoxide/olefin with at least one tetra

1989-10-20

1991-04-23

Anderson, Harold D.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

502162, C08G 6702

Patent

active

050101706

ABSTRACT:
An improved process for the production of linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon comprises the contacting of the monomeric reactants under polymerization conditions in the presence of a reaction diluent and a catalyst composition formed from a palladium compound, the anion of a non-hydrohalogenic strong acid and a mixed tetraaryl diphosphine ligand, one of which diphosphines has an ortho alkoxy substituent on each aryl moiety and one of which is free from alkoxy substitution in ortho positions. The process is characterized by a relatively high degree of catalyst activity and a low degree of reactor fouling.

REFERENCES:
patent: 3694412 (1972-09-01), Noszaki

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