Process for preparing polyketones

Details Process for preparing polyketones Process for preparing polyketones

C - Chemistry, Metallurgy

08

G

402/7.1

C08G 67/02 (2006.01)

Patent

CA 1323951

ABSTRACT OF THE DISCLOSURE PROCESS FOR PREPARING POLYKETONES A process for preparing an interpolymer of one or more olefins with carbon monoxide is disclosed. The process, which comprises reacting the olefin(s) with carbon monoxide in the presence o a palladium catalyst prepared by reacting together for example palladium acetate, 1,3-bis (diphenylophosphino)propane and para- toluenesulphonic acid, is improved by having an amide or nitrile present. The presence of an amide or nitrile improves reaction rates and reduces the amount of catalyst incorporated into polyketone. A preferred additive is dimethylformamide.

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