Rubber powders which contain large amounts of fillers, a process for preparing them and the use thereof

US6822036B1 · kind B1 · utility

Assignee

• PKU Pulverkautschuk Union GmbH · DE

Inventors

• Udo Gorl · Meckenheim, DE
• Thomas Trempler · Maintal, DE
• Reinhard Stober · Großkrotzenburg, DE
• Uwe Ernst · Mannheim, DE

Key dates

• Filing date: May 23, 2000
• Grant date: Nov 23, 2004
• Expiry date: May 23, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2998
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Rubber powders with a high degree of filling are obtained by precipitating water-containing suspensions which contain fillers and rubber emulsions or rubber solutions. Use thereof to prepare vulcanizable rubber mixtures.