Textile adhesive from polyurethane containing carboxylate groups
Abstract
Abstract AQUEOUS ADHESIVE COMPOSITION CONTAINING A DISPERSED POLYURETHANE POLYMER, THE METHOD OF USING THE ADHESIVE COMPOSITION IN TEXTILE APPLICATIONS, AND THE TEXTILE MATERIALS THUS OBTAINED. THE ADHESIVE COMPOSITION IS AN AQUEOUS DISPERSION OF A PARTICULAR CLASS OF SELF-DISPERSIBLE OR EMULFIFIABLE POLYURETHANE POLYMERS. THE AQUEOUS DISPERSIONS ARE OBTAINED BY ADDING A PARTICULAR CLASS OF ISOCYANATE-TERMINATED POLYURETHANE PREPOLYMERS HAVING PENDANT ARBOXYL GROUPS TO WATER CONTAINING A TERTIARY ALIPHATIC AMINE AND ALLOWING CHAIN EXTENSION WITH WATER TO PROCEED UNTIL ALL OF THE ISOCYANATE GROUPS HAVE BEN REACTED. THE RESULTING POLYURETHANE LATEX IS THICKENED TO THE DESIRABLE VISCOSITY WITH SUITABLE THICKENING AGENTS.
Inventors
- 👤 David Trimble Hermann
- 👤 Kenneth Herald Remley
Bibliographic Details
Claims Analysis
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