Polymerization of CO/olefin with nickel compound mercapto carbox

Details Polymerization of CO/olefin with nickel compound mercapto carbox Polymerization of CO/olefin with nickel compound mercapto carbox

1991-08-01

1993-05-25

Anderson, Harold D.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

C08G 6702

Patent

active

052141268

ABSTRACT:
A process for preparing polyketones (alternating polymers of carbon monoxide and one or more olefins) is provided. The process is characterized by using the nickel catalyst obtained by reacting a nickel compound, e.g. nickel acetate, nickel carbonyl or bis(cyclooctadiene) nickel(O), with a thiol-substituted carboxylic acid of formula HS--R--CO.sub.2 H (R is a divalent organic radical). Preferred thiol-substituted carboxylic acids include 2-mercaptobenzoic acid, 4-mercaptobenzoic acid, 2 mercaptonicotinic acid and compounds of formula HS--CHR.sup.2 --CO.sub.2 H where R.sup.2 is selected from hydrogen, --CH.sub.3 and --CH.sub.2 CO.sub.2 H.

REFERENCES:
patent: 3984388 (1976-10-01), Shryne et al.
patent: 4965341 (1990-10-01), Van Doorn et al.
Chemical Abstracts, vol. 108, No. 12, Mar. 21, 1988, Columbus, Ohio., US; Abstract No. 94971R.

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