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Ink Absorption Mechanism of Silica Based Ink Jet Paper Coating

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As digital cameras have become a popular consumer product, higher standards for ink jet paper is required in order to produce better picture quality. The surface of ink jet paper is generally coated with ink-absorbing material that mainly consists of inorganic particles such as silica, alumina or hydrophilic swelling resin. The required function of the coat layer is to quickly absorb only the solvent of the ink which is distributed from the printer and to keep the dye on the surface, which is the key to determine the quality of printed pictures. In this presentation, we report the results of our analysis of the ink-absorption mechanism of the coat layer materials containing various types of silica using a mercury porosimeter. We found that the precipitated silica “Finesil X Series” keeps more dye on the surface than other types of silica because it has more pores with diameter around 100 Å, which is the suitable size for adsorbing dye. As the result, ink jet paper coated with “Finesil X Series” generates high optical densities.
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Document Type: Research Article

Publication date: 2000-01-01

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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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