Olefin polymerization catalyst compositions and a process...

Details Olefin polymerization catalyst compositions and a process... Olefin polymerization catalyst compositions and a process...

C - Chemistry, Metallurgy

08

F

252/107, 402/645

C08F 4/64 (2006.01) C08F 10/00 (2006.01)

Patent

CA 1141093

A B S T R A C T OLEFIN POLYMERIZATION CATALYST COMPOSITIONS AND A PROCESS FOR THE POLYMERIZATION OF OLEFINS EMPLOYING SUCH COMPOSITIONS An olefin polymerization catalyst composition comprising: a) a reaction product of an organo aluminium compound and an electron donor, and b) a solid component which has been obtained by halogen- ating a magnesium compound with the formula MgRjR2 wherein R1 is an alkyl, aryl, alkoxide or aryloxide group and R2 is an alkyl, aryl, alkoxide or aryloxide group or halogen, with a halide of tetravalent titanium in the presence or a halohydrocarbon, and contacting the helogenated product with a tetravalent titanium compound.

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