Novel olefin polymerizing catalyst, method for preparing it...

Details Novel olefin polymerizing catalyst, method for preparing it... Novel olefin polymerizing catalyst, method for preparing it...

C - Chemistry, Metallurgy

08

F

C08F 4/654 (2006.01) C08F 10/00 (2006.01)

Patent

CA 2152355

.alpha.-olefin and particularly ethene can be polymerized with a high yield and a controlled molar mass and molar mass distribution by using a procatalyst composition prepared in the following steps: (a) chlorinating a particulate inert support with a chlorinating agent,(b) contacting the chlorinated support with an impregnating solution based (i) on a magnesium halide, (ii) an alkoxy magnesium compound, (iii) a tetravalent titanium alkoxide compopund and (iv) an electron donor.

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