Process for the polymerisation of unsaturated compounds with...

Details Process for the polymerisation of unsaturated compounds with... Process for the polymerisation of unsaturated compounds with...

C - Chemistry, Metallurgy

08

F

402/375, 402/418

C08F 2/00 (2006.01) C08F 4/00 (2006.01) C08F 10/00 (2006.01) C08F 36/00 (2006.01)

Patent

CA 1174797

ABSTRACT OF THE DISCLOSURE: The present invention is directed to a process for the polymerisation or copolymerisation of unsaturated compounds containing one or more unsaturated bonds, possibly conjugated, either alone or in mixture, consisting of bring- ing the monomer or monomers into contact with a catalytic system constituted by the combination of: a) an organo- metallic compound of group III of the periodic table, b) a compound based on Ti (2+) or Ti (3+) or V (3+) or Cr (3+) or Zr (3+) or an element of the actinide series or an element of the lanthanide series, wherein component b) is prepared by reducing the alkoxides of the aforesaid metals in a liquid phase by means of vapours of metals chosen from the alkaline earth, group III or group IV metals or magnesium, then halo- genating them using suitable halogenating agents.

402187

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