C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/381
C08F 4/60 (2006.01) C08F 10/00 (2006.01) C08F 36/04 (2006.01)
Patent
CA 1266947
PROCESS FOR PREPARING POLYOLEFINS, POLYDIENES AND COPOLYMERS THEREOF Abstract of the Disclosure A process for the preparation of poly- olefins, polydienes and copolymers thereof by poly- merization in solvents, liquid monomers or in the gaseous phase at a temperature between -20°C and 150°C using magnesium hydride, a halogen-containing transition metal compound of Group IV and an aluminium alkyl compound, characterized in that the polymerization is carried out in the presence of a catalyst system consists of a) a magnesium compound having the general formula MgHx wherein x is a number between 1 and 2, and more specifically 2; b) a compound of a transition metal of Group IV having the general formula MeHala4 wherein Me is a transition metal, more speci- fically titanium, and Hal is a halogen, more specifically chlorine; and c) an aluminium alkyl compound having the general formula AIRnHal(3-n) wherein R is a C1-C6 alkyl residue, more speci- fically ethyl, Hal is a halogen, more specific- ally chlorine, and n is a number of from 1 to 3, and preferably 3.
501524
Fink Gerhard
Kinkelin Eberhard
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Fink Gerhard
Kinkelin Eberhard
Studiengesellschaft Kohle Mbh
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