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Highly Compatible Pigment Preparations for Aqueous Ink Jet Inks

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In recent years, pigment-based inks have become more and more attractive for office and wide format ink jet applications. This non-impact printing technology does pose special requirements, not only for pigment preparations, but also for the pigments themselves. Besides the exploration of new dispersants and the optimization of the dispersant system, tailoring the properties of the pigments, such as particle size distribution, surface charge and polarity, morphology, and especially purity, is key. As a result, the desired features of preparations and inks such as transparency, hue, viscosity and storage stability (no flocculation or sedimentation) can be improved, as well as the elimination of cogation or abrasion in the printhead. New test methods for ink jet applications and new concepts for production processes such as microreactor technology or finish treatment can significantly improve the suitability of specific organic pigments for ink jet printing and the performance of the resulting inks.

Document Type: Research Article

Publication date: January 1, 2004

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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