Polyketone polymer preparation with tetra alkyl bis phosphine li

Details Polyketone polymer preparation with tetra alkyl bis phosphine li Polyketone polymer preparation with tetra alkyl bis phosphine li

1992-06-19

1993-07-06

Anderson, Harold D.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

528271, 568387, 568408, 568412, C08G 6702

Patent

active

052255239

ABSTRACT:
A process for the preparation of low molecular weight polyketone polymers, wherein polymers of carbon monoxide with ethene and/or propene and optionally in addition with one or more other .alpha.-olefins are prepared by contacting the monomers in the presence of hydrogen with a catalyst containing a Group VIII metal and a tetraalkylbisphosphine ligand. The process may also be conducted in the presence of a liquid .alpha.-olefin diluent.

REFERENCES:
patent: 4778876 (1988-10-01), Doyle et al.
patent: 4843144 (1989-06-01), Van Broekhoven et al.
patent: 4880903 (1989-11-01), Van Broekhoven et al.
patent: 4940774 (1990-07-01), Wong
patent: 5037944 (1991-08-01), Smaardijk et al.

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