Agfa Graphics Nv

Joachim Storsberg

Geert Deroover

Frank Louwet

Bert Groenendaal

Markus Hartenstein

A pigment dispersion includes a pigment and a block copolymer having ionic aromatic monomers. The pigment dispersions can be used for manufacturing inkjet inks and for the coating of colored layers. A process for preparing the pigment dispersion is also disclosed.

Stable pigment dispersions

A pigment dispersion includes a pigment with at least one carboxylic acid group and a block copolymer including aromatic monomers having at least one carboxylic acid group or a salt thereof and aromatic monomers having at least one sulfonic acid group or a salt thereof. The pigment dispersions can be used for manufacturing inkjet inks and for the coating of colored layers.

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Woerrstadt, Germany

Joachim Storsberg