Carbodiimidation method

US9353221B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Evgeny Avtomonov · Leverkusen, DE
• Harald Kraus · Leverkusen, DE
• Sebastian Dörr · Mülheim an der Ruhr, DE
• Dirk Achten · Leverkusen, DE
• Jörg Büchner · Bensberg, DE

Key dates

• Filing date: Mar 28, 2011
• Grant date: May 31, 2016
• Expiry date: Feb 20, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/2738
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to aqueous dispersions containing hydrophilized polycarbodiimides, methods for producing the aqueous dispersions according to the invention, their use as a constituent of binders in adhesives, lacquers, paints, paper coating compounds or in fiber nonwovens and articles made of wood, metal, textile, leather or plastic, which are treated with the aqueous dispersion according to the invention.