Carboxyl-containing acrylate copolymer, carboxyl-containing resin and epoxy resin

US5686531A · kind A · utility

Assignee

• Basf Lacke & Farben Aktiengesellschaft · DE

Inventors

• Stephan Engelke · Drensteinfurt, DE
• Michael Brunnemann · Munster, DE
• Olaf Rotter · Everswinkel, DE
• Andreas Holst · Neu Wulmstorf, DE

Key dates

• Filing date: May 24, 1995
• Grant date: Nov 11, 1997
• Expiry date: May 24, 2015

Classification

• Technology area (CPC G): Physics
• CPC primary: G09G3/2018
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A coating agent comprises a binding agent containing at least one acrylate copolymer (A) with carboxyl groups and/or at least one acrylate copolymer (B) with epoxide groups, the acrylate copolymers (A) and (B) being obtained by solution polymerization using less than 5% by weight based on the total weight of monomers of one or more polysiloxane macromonomers a.sub.1 having a number-average molecular weight of 1000 to 40,000 and on average 0.5 to 2.5 ethylenically unsaturated double bonds per molecule; one or more addition and/or condensation resins with carboxyl groups; and one or more epoxy resins.