Aqueous coating compositions based on epoxybutene polyethers

US6787627B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Martin Melchiors · Leverkusen, DE
• Jan Weikard · Neunburg vorm Wald, DE
• Rolf Gertzmann · Leverkusen, DE
• Helmut Greiving · Wuppertal, DE
• Ulrich Freudenberg · Hirschberg, DE

Key dates

• Filing date: Feb 18, 2003
• Grant date: Sep 7, 2004
• Expiry date: Feb 18, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31551
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to water-dilutable polyurethanes containing structural units derived from 3,4-epoxy-1-butene and also to aqueous dispersions comprising these polyurethanes, to a process for preparing them and to use as aqueous oxidatively drying and/or UV-crosslinking coating compositions.