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Studying ink penetration with microscopic and spectroscopic techniques
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Institute for Surface Chemistry, Stockholm.
Mid Sweden University.
Stora Enso Research Center.
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2006 (English)In: Journal of Imaging Science and Technology, ISSN 1062-3701, Vol. 50, no 4, 327-332 p.Article in journal (Refereed) Published
Abstract [en]

Distribution of ink jet ink in paper substrates and the consequences of ink penetration for printing color reproduction have been studied by combining microscopic image processing with spectroscopic analysis. The study focused on the effects of the composition of uncoated paper, for five laboratory papers plus two commercial products, all consisting of similar pulps but with different combinations of additives. In particular, it was observed that hydrophobizing internal size agents significantly reduced ink penetration, while their effect on paper optical properties was negligible. This observation thus made it possible to study experimentally the pure effects of ink penetration. Pairwise comparisons of prints on such laboratory papers with identical optical properties revealed remarkable impacts of ink penetration on optical density, causing color saturation reduction and color shift. These experimental observations confirmed the theoretical predictions.

Place, publisher, year, edition, pages
2006. Vol. 50, no 4, 327-332 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-53490DOI: 10.2352/J.ImagingSci.Technol.(2006)50:4(327)OAI: diva2:290025
Available from: 2010-01-25 Created: 2010-01-25 Last updated: 2010-12-02

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