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Improving Inkjet Print Performance of Plain Sized Paper with Nanostructured Pigments

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Following the industry trends, it is clear that commercial inkjet printing will compete increasingly with traditional printing processes in the coming years. While special paper is already available for traditional impact printing processes, papers that meet the requirements of high speed inkjet printing are just in the infancy of their development. Standard papers, like those found in the office, still exhibit significant weaknesses in such important properties as optical density, gamut and water resistance.

A very thin layer of a fumed silica based coating (0.5-2.0 g/m2) applied to plain paper at the size press improves inkjet printing performance. The silica coating behaves as an inorganic sponge with a well defined void and channel structure to absorb ink rapidly for enhancing color qualities, print uniformity and image resolution. In the presentation we show results of a paper machine trial and compare nano-structured silica based pigments with traditional coating pigments, e.g. calcium carbonate. Comparisons are made to other approaches, such as the incorporation of multivalent metal ions into the paper.
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Document Type: Research Article

Publication date: 2009-01-01

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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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