Aqueous coating compositions based on polyurethane dispersions

US7485681B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Thomas Munzmay · Dormagen, DE
• Harald Blum · Wachtendonk, DE
• Uwe Klippert · Burscheid, DE
• Torsten Pohl · Cambridge, US
• Thorsten Rische · Unna, DE

Key dates

• Filing date: Sep 26, 2007
• Grant date: Feb 3, 2009
• Expiry date: Sep 26, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D175/12
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to water-dilutable, hydroxy-functional polyurethanes containing amide structural units, to a process for preparing them, to aqueous coating compositions prepared from them, and to their use for coating substrates.