Carbon Black Pigments for Printing Inks

Carbon Black Pigments for Printing Inks

The most important features of Specialty Carbon Black are the size of the pigment primary particles and the structure of the aggregates. These parameters define the colorimetric properties such as undertone, optical density, gloss and also the rheological effect of Specialty Carbon Blacks and their dispersibility in binders. An additionally important property of Specialty Carbon Black is the nature of the pigment surface, which depends on the production and after treatment process. This surface chemistry is important for the wettability of the carbon black by the binder, and in this way also influences properties such as ink rheology and gloss. Furthermore the choice of the right Specialty Carbon Black is largely determined by the print technology and its special demands on printing ink properties, such as color development, dispersing technology, binder system, rheology, film thickness, matting or optical density.

Brochure: Specialty Carbon Blacks

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