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The Effect of Surface Characteristics on the Optical Density of a Print Image by Using Carbon Black Dispersion Ink

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We investigated effective factors on optical density of a print sample printed by using of carbon black dispersion ink for ink jet printers, and studied characteristics of carbon black to get higher optical density of print images. We observed carefully the surface of the printed areas and we found out the relationship between the properties of the surface area and optical density. We focused the surface roughness in nanometer order, and confirmed that the optical density gets higher as the S.A.D. (= Surface Area Difference measured by A.F.M.) of the printed area becomes larger. To make high S.A.D. surface (= high surface area) of the printed areas, new furnace carbon black was developed by using our original technology. It has small particle diameter, very large DBP absorption and sharp particle size distribution. The ink jet ink containing this carbon black could make really high optical density print images even on a plain paper for copier.
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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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