Aqueous primary dispersions, method for preparation and use thereof

US6797761B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Maximilian Bendix · Hachenburg, DE
• Heinz-Peter Rink · Hachenburg, DE

Key dates

• Filing date: Jun 28, 2002
• Grant date: Sep 28, 2004
• Expiry date: Mar 1, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J151/003
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Aqueous primary dispersions comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter≦500 nm, preparable by free-radical microemulsion or miniemulsion polymerization of at least one olefinically unsaturated monomer (A) in the presence of at least one polyhydroxy-functionalized cyclic and/or acyclic alkare having from 9 to 16 carbon atoms in the molecule, and their use in automotive OEM finishing and refinishing, in furniture coating and in industrial coating, including coil coating, container coating and the coating of electrical components.