Use of aqueous polyurethane dispersions as adhesives for laminated films

US5891580A · kind A · utility

Assignee

• BASF SE

Inventors

• Hans-Joachim Fricke · Dirmstein, DE
• Karl Haeberle · Speyer, DE
• Lothar Maempel · Zeven, DE
• Fritz Peikert · Bischofswerda, DE
• Eckehardt Wistuba · Bad Dürkheim, DE

Key dates

• Filing date: Apr 28, 1997
• Grant date: Apr 6, 1999
• Expiry date: Apr 28, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31587
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Aqueous dispersions containing a polyurethane which contains less than 0.6% by weight, based on the polyurethane, of urea groups ##STR1## are used as adhesives.