Formaldehyde-free aqueous binders

US6071994A · kind A · utility

Assignee

• BASF SE

Inventors

• Rainer Hummerich · Worms, DE
• Axel Kistenmacher · Ludwigshafen, DE
• Walter Denzinger · Speyer, DE
• Gunnar Schornick · Neuleiningen, DE
• Bernd Reck · Arnstadt, DE
• Manfred Weber · Greensboro, US

Key dates

• Filing date: Aug 18, 1998
• Grant date: Jun 6, 2000
• Expiry date: Aug 18, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/17
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Formaldehyde-free aqueous binders comprise PA0 A) a polymer containing from 5 to [lacuna]% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, and PA0 B) an alkanolamine having at least two hydroxyl groups.