Nitrile rubbers which optionally contain alkylthio terminal groups and which are optionally hydrogenated

US8623981B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Werner Obrecht · Moers, DE
• Rolf Josten · Neuss, DE
• Michael Klimpel · Langenfeld, DE

Key dates

• Filing date: Jan 16, 2009
• Grant date: Jan 7, 2014
• Expiry date: Dec 5, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/139
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

An improved polymerization and process method allows the production of special nitrile rubbers which are characterized by a specific anion content and an excellent storage stability and allow a particularly good vulcanization rate and moreover result in vulcanized materials that have advantageous properties, especially with regard to the contact with metal components of molded parts based on said vulcanized materials.