Method for preparing polyalkenamers

Details Method for preparing polyalkenamers Method for preparing polyalkenamers

1974-03-11

1976-01-20

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336UA, C08F 406, C08F 442

Patent

active

039337774

ABSTRACT:
A method for the preparation of polyalkenamer which comprises in an polymerization with ring opening of the alicyclic unsaturated compound in the presence of a catalyst comprising three components:
A. a compound of a transition metal of Groups IV-VIII of the Periodic System;
B. a compound of a metal of Groups I-VI of the Periodic System; and
C. quinone or its halogen derivative or an acid halide of sulfur-containing acid having the general formula R.sub.k SO.sub.n Q.sub.t wherein R is halogen, aryl, alkyl, nitro- or amino-group; S can be sulfur; O represents oxygen; Q stands for halogen; k = 0-1; n = 1-2; t = 1-2; The aforespecified component c makes the catalyst more active.

REFERENCES:
patent: 3449310 (1969-06-01), Dall'Asta et al.
patent: 3660369 (1972-05-01), Kormer et al.

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