X-Ray CT Measurement of Pigment Influence on Ink Penetration in Inkjet Printing

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  • SATO Keisuke
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology
  • KODAMA Manabu
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology
  • MORISAKI Kodai
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology
  • KURAMOTO Shinichi
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology Advanced Technology R & D Division, Ricoh Company, Ltd.
  • KATO Koichi
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology Advanced Technology R & D Division, Ricoh Company, Ltd.
  • KADONAGA Masami
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology Advanced Technology R & D Division, Ricoh Company, Ltd.
  • FUSHINOBU Kazuyoshi
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology
  • HIRAI Shuichiro
    School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology

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Other Title
  • 顔料がインクジェットプリント浸透に及ぼす効果のX線CT計測
  • ガンリョウ ガ インクジェットプリント シントウ ニ オヨボス コウカ ノ Xセン CT ケイソク

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Abstract

<p>In this study, non-destructive penetration area measurements were performed using X-ray CT (computed tomography) to elucidate the penetration behavior of pigment ink. Using an ink in which silver particles were added as pigment particles to a solution of propylene glycol mixed with a cesium iodide solution, we were able to measure the ink penetration area and the pigment particle deposition area using X-ray CT, and observed the penetration behavior of pigment inks on plain and coated paper. In particular, we examined the effect of the presence or absence of pigment particles on ink penetration. As a result, no change in the penetration area was observed on plain paper with or without pigment particles. On coated paper, however, the pigment particles penetrate into the coated layer and fill the voids in the coated layer, suppressing ink penetration and reducing the horizontal and vertical penetration areas.</p>

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