Shell Oil Comapny

Franciscus C Groenland

Antonius A Broekhuis

William P Gergen

Edgar J Smutny

Johannes L Syrier

Johan M Beijen

Dirk A Borger

Johan M Beyen

Compositions comprising linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and certain polar additives containing at least two groups of substantial carbon number show improved processing properties. A method of improving the processing properties of the linear alternating polymer comprises incorporating therein at least one of the polar additives.

Polyketone polymer compositions containing a polar ester or amine

Polyketone polymer composition comprising a major amount of an alternating copolymer of carbon monoxide and an olefinically unsaturated compound and a minor amount of at least one additive, selected from: (a) the acid amides of monocarboxylic or polycarboxylic acids having from 5 to 30 carbon atoms and being optionally N-monosubstituted or N,N-disubstituted with C.sub.1 to C.sub.4 alkyl groups, and (b) aluminum compounds of formula Al(OX).sub.3, in which X stands for a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group.

Polyketone copolymer composition comprising amide or aluminum compound

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Amsterdam, Netherlands

Franciscus C Groenland