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US 2013/0253156 A1Published application
Catalyst component
AssigneeBorealis AG
InventorsPeter Denifl, Mikaela Eriksson, Timo Leinonen, Anssi Haikarainen
Life of this patent
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Abstract
The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form for polymerising olefins, especially ethylene or propylene or comonomers thereof.
Claims16
1-15. (canceled)
Process for preparing a particulate olefin polymerisation catalyst component of particles having a mean particle size from 5 to 500 μm, comprising:
- forming an emulsion by admixing a solution of at least one Complex A, Complex A being a complex of at least a Group 2 metal compound and an alcohol comprising in addition to the hydroxyl moiety at least one further oxygen bearing moiety being different to a hydroxyl moiety, with at least one transition metal compound,
- and solidifying the dispersed phase of said emulsion.
Dependencies are inferred from the claim text.