Process for the preparation of polyketones

Details Process for the preparation of polyketones Process for the preparation of polyketones

C - Chemistry, Metallurgy

08

G

402/7.1

C08G 67/02 (2006.01)

Patent

CA 1261997

ABSTRACT Process for the preparation of polyketones by polymerize- ation of a mixture of CO and an alkenically unsaturated hydrocarbon in the presence of a Group VIII-metal catalyst containing ligands, wherein hydrocarbon groups occur which are bound to an element from Group V a, characterized in that the catalyst used is a complex compound obtained by reaction of a palladium,cobalt or nickel compound, an anion of a carboxylic acid with a pKa lower than 2, and a bidentate ligand of the general formula R1R2-M-R-M-R3R4, wherein M represents phosphorus, arsenic or antimony, R1, R2, R3 and R4 are similar or dissimilar hydro- carbon groups, R is divalent organic bridging group not causing steric hindrance. This process is useful for the production of polyketones.

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