Pulverulent rubber powder containing filler, process of the production thereof and use thereof

US6548584B1 · kind B1 · utility

Assignee

• PKU Pulverkautschuk Union GmbH · DE

Inventors

• Udo Gorl · Meckenheim, DE
• Reinhard Stober · Großkrotzenburg, DE
• Hartmut Lauer · Salmünster, DE
• Uwe Ernst · Mannheim, DE

Key dates

• Filing date: Apr 7, 1999
• Grant date: Apr 15, 2003
• Expiry date: Apr 7, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2321/00
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Pulverulent rubber powder containing filler which remains free-flowing even after exposure to mechanical stresses, a process for the production thereof, in which the rubber powder is obtained in two precipitation steps, and the use of these powders for the production of vulcanizable rubber compounds.