Color and/or effect coating system comprising a combination effect coat

US7625630B2 · kind B2 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Walter Lassmann · Munster, DE
• Klaus Stegemann · Coesfeld, DE
• Horst Hintze-Brüning · Hachenburg, DE
• Joachim Woltering · Hachenburg, DE
• Wolfgang Reckordt · Hachenburg, DE

Key dates

• Filing date: Mar 15, 2001
• Grant date: Dec 1, 2009
• Expiry date: Mar 15, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/26
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed is a combination effect coat that simultaneously provides at least one function selected from the group consisting of color, effect, or the combination thereof as well as at least one function selected from the group consisting of corrosion protection, adhesion promotion, absorption of mechanical energy, or the combination of two or more of the foregoing. The combination effect coat is produced by the application and curing of a pigmented powder slurry wherein the pigmented powder slurry is curable thermally, or curable thermally and with actinic radiation. The pigmented powder slurry consists of finely divided dimensionally stable constituents having an average particle size of from 0.8 to 40 μm, has a residual volatile solvent content of less than 1% by weight, and comprises a (meth)acrylate copolymer having an epoxide equivalent weight of 400 to 2500; and a color pigment, an effect pigment, or a combination thereof.