Humidity-regulating composite materials

US7790638B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Mirjam Herrlich-Loos · Mannheim, DE
• Corinna Haindl · Mannheim, DE
• Samantha Champ · Ludwigshafen, DE
• Martin H. Beck · Amherst, US
• Markus Tonnessen · Mutterstadt, DE
• Michael Fastner · Mannheim, DE

Key dates

• Filing date: Aug 9, 2006
• Grant date: Sep 7, 2010
• Expiry date: Nov 22, 2026

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/60
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

The invention concerns improved moisture-regulating composites comprising a sheetlike substrate material, a water-soluble hygroscopic substance and a water-absorbing polymer polymerized onto the substrate material in the presence of the hygroscopic substance and comprising a plasticizer, methods of making them and their use for moisture regulation.