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U.S. Department of Energy
Office of Scientific and Technical Information

Polyolefin polymerization catalyst and method of production use

Patent ·
OSTI ID:5143704
This patent describes a process for the preparation of a catalyst suitable for the polymerization of an {alpha}-olefin. It comprises: forming a first component by reacting reactants comprising a magnesium dihalide, a phenol, an alkylbenzoate, and a titanium tetrahydrocarbyloxide; reacting the first component with an organoaluminum halide comprising ethylaluminum sesquichloride to produce a solid product; and then contacting the resulting solid product with an activating liquid comprising titanium tetrachloride and trichlorosilane in a confined zone under pressure of at least about 70 psi.
Assignee:
Phillips Petroleum Co., Bartlesville, OK (USA)
Patent Number(s):
US 4988655; A
Application Number:
PPN: US 7-443690
OSTI ID:
5143704
Country of Publication:
United States
Language:
English