C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2058, 402/41
C08F 4/60 (2006.01) C08F 4/02 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1108113
ABSTRACT OF THE DISCLOSURE Novel trialkylaluminum cocatalyst systems are used for the polymerization of .alpha.-olefin polymerization, the cocatalyst systems being a mixture of group IVB to VIII transition metal halide compounds, wherein the halide group is chloride or bromide, on a support and at least one alkyl metal compound, at least one of which has the formula: RnMR'3-n wherein R' is one of C1 to C20 primary alkyl, alkenyl or aralkyl groups or hydride, R is one of a group consisting of C3 to C20 secondary or tertiary alkyl, cycloalkyl, alkenyl or aralkyl groups, M is one of aluminum, gallium or indium and n = 1 to 3, and wherein the composition includes at least one Lewis base.
300729
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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