Pigment preparation and ink jet printing ink

US8333832B2 · kind B2 · utility

Assignee

• ECKART GmbH · DE

Inventors

• Joerg Maennig · Painesville, US
• Stefan Trummer · Koblenzer Straße, DE
• Andreas Kroell · Taufkirchen, DE
• Dieter Proelss · Schwabach, DE
• Stefan Engel · Aachen, DE
• Werner Pieper · Kerpen, DE

Key dates

• Filing date: Dec 19, 2008
• Grant date: Dec 18, 2012
• Expiry date: Dec 19, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24802
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present disclosure is directed to a pigment preparation comprising aluminum effect pigments, a solvent and at least one additive, wherein the aluminum effect pigments have a d98 value of the volume averaged particle size distribution curve of less than 15 μm, the at least one additive is a phosphorous containing additive, and the solvent has a viscosity equal to or more than 1.8 mPa's at 25° C. The disclosure is further directed to an ink jet printing ink as well the use thereof.