Titanium halide catalyst for polymerization

Details Titanium halide catalyst for polymerization Titanium halide catalyst for polymerization

C - Chemistry, Metallurgy

08

F

252/109

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

Patent

CA 1158633

TITANIUM HALIDE CATALYST FOR POLYMERIZATION ABSTRACT A novel catalyst system for the polymeriza- tion of alpha-olefins is provided. The catalyst system comprises: (a) an organoaluminum containing component, e.g. triethyl aluminum, and (b) a titanium halide containing component. The titanium halide containing component is obtained by co-pulverizing a halogen containing magnesium compound, e.g. MgCl2, with an active hydrogen containing organic compound, e.g. phenol, to produce a co-pulverized product. The co-pulverized product is then reacted with an organo- metallic compound of a metal of Groups I to III of the Periodic Table, e.g. triethyl aluminum, to produce a reaction product. The reaction product is then co- pulverized with a complex of a first titanium halide compound and an electron-donor, e.g. TiCl4.ethyl benzoate, to produce a solid reaction product. The solid reaction product is then reacted with a second titanium halide compound, e.g. TiCl4. A novel titanium halide containing component is provided as well as a process for producing said component. A process for the polymerization of alpha-olefins is also provided.

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