Process for the preparation of copolymers based on carbon monoxi

Details Process for the preparation of copolymers based on carbon monoxi Process for the preparation of copolymers based on carbon monoxi

1996-02-21

1998-04-14

Acquah, Samuel A.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

528392, 524706, 524707, 524709, 524711, 502102, 502103, C08G 6702

Patent

active

057392641

ABSTRACT:
A process for the preparation of alternated linear copolymers based on carbon monoxide and one or more compounds having an unsaturation of the alkenylic type comprises, reacting in a halogenated aromatic or aliphatic solvent the carbon monoxide and one or more compounds having an alkenylic unsaturation in the presence of a catalyst having general formula (I)
wherein: chel represents a non-charged bidentate chelating agent, chel' represents the anion of an organic compound containing a double carbon--carbon bond co-ordinated via .pi. bond to palladium (Pd) and a carbanion bound via .sigma. bond to palladium which is co-ordinated to the metal as a bidentate chelating agent and A.sup.- is an anion of a non-esterifiable or almost non-esterifiable and non-coordinating acid.

REFERENCES:
patent: 5310871 (1994-05-01), Sommazzi et al.
patent: 5314856 (1994-05-01), Sommazzi et al.
patent: 5338825 (1994-08-01), Bradford et al.
patent: 5346873 (1994-09-01), Sommazzi et al.
patent: 5408030 (1995-04-01), Sommazzi et al.

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