Mineral insulation element and process for producing it

US7758955B2 · kind B2 · utility

Assignee

• Xella Dämmsysteme GmbH · DE

Inventors

• Emmo Frey · Dachau, DE
• Berit Straube · Linthe, DE

Key dates

• Filing date: Jan 30, 2006
• Grant date: Jul 20, 2010
• Expiry date: Oct 12, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249968
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A mineral, aluminum-blown insulation element, in particular insulation slab, comprising calcium silicate hydrates as framework and blown pores surrounded by the framework, wherein more than 40% by volume, in particular more than 50% by volume, of the blown pores have a diameter of less than 1 mm and more than 75% by volume, in particular more than 85% by volume, of the blown pores have a diameter of less than 2 mm and the thermal conductivity λ10dr is preferably less than 0.045 W/mK.