Process for producing fiber-reinforced xerogels and their use

US5866027A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Dierk Frank · Hofheim, DE
• Birgit Kessler · Frankfurt am Main, DE
• Andreas Zimmermann · Griesheim, DE

Key dates

• Filing date: Feb 21, 1997
• Grant date: Feb 2, 1999
• Expiry date: Feb 21, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/92
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a process for producing modified, fiber-reinforced xerogels having porosities greater than 60% and xerogel matrix densities below 0.6 g/cm.sup.3 and to their use as thermal insulating material.