Eckart Gmbh

Andreas Kroell

Stefan Trummer

Dieter Proelss

Stefan Engel

Joerg Maennig

Werner Pieper

Wolfgang Herzing

Michael Becker

Dieter Prölβ

Katrin Wczasek

Monika Herold

Frank Schaefer

Ralf Deinzer

Friedrich Dietz

Dieter PRÖLß

Karin Wczasek

The invention relates to a pigment preparation with metal effect pigments, wherein the pigment preparation contains metal effect pigments the average size dof which lies in a range of from 1.7 to 2.8 &#x3bc;m and the average thickness hof which lies in a range of from 15 to 50 nm, as well as at least one polycarboxylic acid. In addition, the invention relates to a method for producing this pigment preparation as well as the use of same.

Pigment preparation with metal effect pigments, method for the production of same and use of same

The present disclosure is directed to a pigment preparation comprising aluminum effect pigments, a solvent and at least one additive, wherein the aluminium effect pigments have a dvalue of the volume averaged particle size distribution curve of less than 15 &#x3bc;m, 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&#xb0; C. The disclosure is further directed to an ink jet printing ink as well the use thereof.

Pigment preparation and ink jet printing ink

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 dvalue of the volume averaged particle size distribution curve of less than 15 &#x3bc;m, 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&#xb0; C. The disclosure is further directed to an ink jet printing ink as well the use thereof.

Platelet-shaped, copper-containing, metallic effect pigments which have a copper content of 60% to 100% by weight, based on the total metal content, the metal pigments having a thickness distribution as determined via thickness counting by scanning electron microscopy (SEM) and represented as cumulative undersize distribution,

Platelet-shaped, copper-containing, metallic effect pigments, process for preparing them and use thereof

Growing community of inventors

Velden, Germany

Andreas Kroell