Expanded styrene polymers having a reduced thermal conductivity

US8173714B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Achim Datko · Leimen, DE
• Klaus Hahn · Lampertheim, DE
• Markus Allmendinger · Deggingen, DE

Key dates

• Filing date: Jun 9, 2005
• Grant date: May 8, 2012
• Expiry date: May 9, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2003/0812
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Expanded styrene polymers which have a density of less than 25 g/l and a thermal conductivity λ, determined at 10° C. in accordance with DIN 52612, of less than 32 mW/m*K, and also a process for producing them.