Preparation of olefin polymerization catalyst component

US7902108B2 · kind B2 · utility

Assignee

• Borealis Technology Oy · FI

Inventors

• Peter Denifl · Gries am Brenner, AT
• Timo Leinonen · Tolkkinen, FI

Key dates

• Filing date: Jun 18, 2002
• Grant date: Mar 8, 2011
• Expiry date: Oct 22, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2410/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 metal complex is reacted with a transition metal compound so as to produce an oil-in-oil emulsion, the disperse phase containing the preponderance of the Mg being solidified by heating to provide a catalyst component of excellent morphology. Polymerisation of olefins using a catalyst containing such a component is also disclosed. The process may be employed in the production of Ziegler-Natta catalysts.