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Developing Custom Colors in Hot Melt Jet Inks

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In this paper, we present a rationale for the development of custom colors by blending selected single pigment jet inks. One of the routes to special or custom colors is to blend existing single pigment inks. This approach offers advantages but also places unique demands on the formulation. For example, all of the inks must be mixable in all proportions without affecting jetting characteristics and stability. After good primary colors have been selected and qualified, then commercial spectrophotometers and software are available for suggesting ├Črecipes├« for particular color inks. This hardware is extremely valuable but is limited in its ability to accurately predict the color of printed images. Examples of well and poorly matched recipes will be discussed. It is necessary to relate the color from ink fills to that printed by the specific ink jet printing system. We will discuss how special colors can be formulated in the lab and approaches to make this practical in an industrial or commercial environment. There are opportunities for increasing the gamut and range of blended colors in a digital printing system. One way to accomplish this expansion is to use additional single pigment inks.
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Document Type: Research Article

Publication date: 1998-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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