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Polymeric Dye Inkjet Colorants with High Waterfastness

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Ink compositions used in inkjet printers can be classified as either pigment based, in which the colorant exists as pigment particles suspended in the ink composition, or as dye based, in which the colorant exists as a fully solvated dye species that consists of one or more dye molecules. Commonly used dye-based inks suffer poor waterfastness and low durability against wet rub abrasion, which can render text and universal packaging code information illegible. A subclass of dye-based inks may contain polymeric colorants in which a chromophore is covalently bound to a polymer structure. This presentation describes our work with a class of polymeric colorants that can be utilized in ink compositions for inkjet printing that are stable, do not adversely affect the performance of an inkjet nozzle, and deliver images with high waterfastness.
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Document Type: Research Article

Publication date: 2008-01-01

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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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