Aqueous binder dispersions as coating compositions

US7232860B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Martin Melchiors · Leverkusen, DE
• Ulrich Freudenberg · Hirschberg, DE
• Robert Reyer · Tönisvorst, DE
• Raul Pires · Cologne, DE
• Sandra Grosskopf · Bedburg, DE

Key dates

• Filing date: Aug 13, 2003
• Grant date: Jun 19, 2007
• Expiry date: Jul 1, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F8/44
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

An aqueous binder dispersion that includes at least one copolymer (P) containing carboxylic acid and/or carboxylate groups. The copolymer (P) includes structural units of carboxyl-free (meth)acrylic esters with a cycloaliphatic structure, and at least 25 mol % of the carboxylic acid groups of the copolymer (P) in the dispersion being present in triethanolamine-neutralized form. The aqueous binder can be used in aqueous coating materials, which can be used to coat a substrate.