Method for preparing polyalkenamers

Details Method for preparing polyalkenamers Method for preparing polyalkenamers

C - Chemistry, Metallurgy

08

F

402/423, 402/440

C08F 4/62 (2006.01) C08F 132/02 (2006.01) C08F 132/08 (2006.01) C08G 61/08 (2006.01)

Patent

CA 1039444

Abstract A method for the preparation of polyalkenamers which con- sists in the polymerization with ring opening of the alicyclic unsaturated compounds 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 RkSOnQt 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.

194409

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