Process for the preparation of partially hydrogenated nitrile rubbers

US4791172A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Johann Hohn · Dormagen, DE
• Franz-Josef Mersmann · Bensberg, DE
• Werner Obrecht · Moers, DE
• Zsolt Szentivanyi · Leverkusen, DE

Key dates

• Filing date: Oct 2, 1987
• Grant date: Dec 13, 1988
• Expiry date: Oct 2, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2205/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the preparation of partially hydrogenated nitrile rubbers with defined residual double bond contents of between 2.0 and 5.0%, preferably 3.0 and 4.5%.