Granular thermal insulation material and method for producing the same

US11565974B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Matthias Geisler · Thalwil, CH
• Ann-Kathrin Herr · Hanau, DE
• Christian Moers · Langen, DE
• Gabriele Gärtner · Hanau, DE

Key dates

• Filing date: Jan 18, 2018
• Grant date: Jan 31, 2023
• Expiry date: Oct 5, 2039

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/91
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to a granular thermal insulation material comprising hydrophobized silicon dioxide and at least one IR opacifier, having a tamped density of up to 250 g/l and a compressive strength according to DIN EN 826:2013 at 50% compression of 150 to 300 kPa or greater than 300 kPa, to processes for production thereof and to the use thereof for thermal insulation.