Catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase and the use of diene rubbers produced therewith

US6291615A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Dauben · Neuss, DE
• Rudiger Engehausen · Dormagen, DE
• Heinz Greve · Cologne, DE
• Wolfgang Nentwig · Bensberg, DE
• Walter Kaminsky · Pinneberg, DE
• Christian Strubel · Hamburg, DE
• Volker Scholz · Darmstadt, DE

Key dates

• Filing date: Aug 10, 1999
• Grant date: Sep 18, 2001
• Expiry date: Aug 10, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/943
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention is directed to a catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase, and the use of diene rubbers produced therewith, exhibiting a high cis content, an average vinyl content and a low gel content.