Use of phosphoric esters in aqueous basecoats

US10221324B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Bernhard Steinmetz · Meiningen, DE
• Peggy Jankowski · Würzburg, DE
• Nadia Luhmann · Karlstadt, DE
• Michael Matura · Würzburg, DE
• Michael Wohlfarth · Waldsee, DE

Key dates

• Filing date: Jan 20, 2016
• Grant date: Mar 5, 2019
• Expiry date: Feb 9, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/019
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to the use of phosphoric acid and/or of monoesters and/or diesters of phosphoric acid in aqueous basecoat materials for improving adhesion of these coating materials to overbaked clearcoat materials which comprise boron compounds.