SiO.sub.2 aerogels containing carbon particles and their preparation

US5587107A · kind A · utility

Assignee

• BASF SE

Inventors

• Fritz Schwertfeger · Griesheim, DE
• Ulrich Schubert · Jena, DE
• Elisabeth Seyfried · Würzburg, DE
• Joachim Kuhn · Würzburg, DE
• Jochen Fricke · Würzburg, DE
• Manfred Mielke · Heidelberg, DE

Key dates

• Filing date: Jan 11, 1994
• Grant date: Dec 24, 1996
• Expiry date: Jan 11, 2014

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J20/20
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

SiO.sub.2 aerogels containing carbon particles are obtainable by heating PA1 a) organically modified SiO.sub.2 aerogels in the presence of at least one pyrolyzable hydrocarbon gas and/or at least one inert gas or PA1 b) organically unmodified SiO.sub.2 aerogels in the presence of at least one pyrolyzable hydrocarbon gas and in the presence or absence of inert gases to 600.degree.-1300.degree. C.