Method for the copolymerization of conjugated diolefins (dienes) and vinyl-aromatic monomers with rare-earth catalysts and use of the copolymers in rubber mixtures for tire applications

US6399726B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Heike Windisch · Leverkusen, DE
• Jurgen Trimbach · Recklinghausen, DE
• Peter Schertl · Leverkusen, DE
• Ellen Giebeler · Recklinghausen, DE
• Rudiger Engehausen · Dormagen, DE

Key dates

• Filing date: Aug 15, 2000
• Grant date: Jun 4, 2002
• Expiry date: Aug 15, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/903
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention concerns a method for the copolymerization of conjugated diolefins and vinyl-aromatic monomers in the presence of rare-earth catalysts and the use of the copolymers in rubber mixtures for tire applications.