Organic Pigments for Ink Jet Applications: Key Properties and Impact on Ink Performance

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Abstract:

Dye and pigment inks for ink jet applications usually strive for different parts of the non-impact printing market, where their respective key benefits can be fully exploited (brilliancy vs. fastness). The use of pigments as ink jet colorants, instead of dyes, usually provides an adequate answer to image degradation caused by environmental factors such as light, moisture and atmospheric pollutants, and enables the production of digital graphics that meet the stringent durability criteria required for outdoor display.

However, the particularities of ink jet technology (firing of tiny droplets through ultra fine nozzles, low ink viscosity…) makes the formulation of pigment inks quite demanding and an accurate selection of the key ingredients is crucial to reliably performing inks and high quality, colorful prints.

This paper will review the prerequisites for effective pigmented ink jet inks and give hints to proper pigment selection in terms of chemistry, particle size, surface modification and chemical purity.

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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