Method for producing stable, high-purity molded bodies from pyrogenic metal oxides without the addition of binders

US9044742B2 · kind B2 · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Roland Heidenreich · Munich, DE
• Hans-Jurgen Eberle · Munich, DE
• Torsten Gottschalk-Gaudig · Burghausen, DE
• Johann Weis · Sauerlach, DE
• Joachim Pohl · Lüdenscheid, DE

Key dates

• Filing date: Dec 6, 2007
• Grant date: Jun 2, 2015
• Expiry date: Feb 27, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/95
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Shaped bodies with good strength properties are prepared from pyrogenic metal oxide(s) by suspending the metal oxide(s) in a liquid, milling to activate the metal oxide particles, forming an activated homogenous suspension, coagulating the suspension, and forming shaped bodies therefrom.