Process for the production of a multicoat finish and aqueous basecoats suitable for this process

US5502101A · kind A · utility

Assignee

• Basf Lacke & Farben Aktiengesellschaft · DE

Inventors

• Stephan Schwarte · Münster, DE
• Arnold Dobbelstein · Cologne, DE
• Ju/ rgen Niemann · Hachenburg, DE
• Walter Lassmann · Munster, DE
• Susanne Piontek · Munster, DE
• Ulrich Poth · Munster, DE
• Klaus Eikelmann · Würzburg, DE

Key dates

• Filing date: Nov 30, 1992
• Grant date: Mar 26, 1996
• Expiry date: Nov 30, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D151/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to basecoats for the production of finishes of the basecoat/clearcoat type which comprise a water-thinnable polyacrylate resin which can be obtained by polymerizing, either successively or in part amounts, monomers containing carboxyl groups and monomers free from carboxyl groups in an organic solvent to form a polyacrylate resin which is neutralized, at least partially, and dispersed in water.