Catalyst preparation using H2

US8216957B2 · kind B2 · utility

Assignee

• Borealis AG · AT

Inventors

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

Key dates

• Filing date: Jun 22, 2009
• Grant date: Jul 10, 2012
• Expiry date: Jun 22, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F110/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having improved polymerization properties due to the use of H2 during catalyst component preparation and the use of such catalyst components in a process for polymerizing olefins.