Higly dispersible silica for using in rubber

US9540247B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Oleg Stenzel
• Anke Blume · Lechenich, DE
• Hans-Detlef Luginsland · Recklinghausen, DE
• Stefan Uhrlandt · Niederkassel, DE
• Andre Wehmeier · Rheine, DE

Key dates

• Filing date: May 23, 2013
• Grant date: Jan 10, 2017
• Expiry date: Nov 25, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/90
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.