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Elucidating PVP Dye-Binding Mechanisms in Ink Jet Media

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The extensive use of polyvinyl pyrrolidone (PVP) as an ink acceptor material derives from two concurrent attributes: the propensity to bind anionic dyes and the ability to rapidly absorb the liquid vehicle.1 Recognizing that polymer microstructure and morphology regulates ink permeability, we utilize a diverse array of PVP copolymers in order to systematically investigate the simultaneous impact of comonomer composition on ink penetration and dye immobilization. On the basis of the offset (dry time) protocol and corresponding optical density measurements, we elucidate the fundamental mechanisms underlying the chromatographic separation of ink jet dyes from aqueous solvents during the diffusion of picoliter ink drops into hygroscopic films of various PVP copolymers.
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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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