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Open Access Absorption Mechanism of Aqueous and Solvent Inks into Synthetic Nonwoven Fabrics

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In order to obtain high quality printing results, it is important to understand the mechanisms of ink absorption and setting on various substrates. The final position of ink pigments determines the ink density and the resolution of the printed product. Absorption rates of aqueous and solvent inks into nonwoven fabrics were characterized with a Bristow absorption wheel. A model based on Darcy's Law was applied to predict the ink absorption rate into the nonwoven fabrics. The model links the void fraction, pore size, contact angle, and the Darcy permeability coefficients to the absorption rate. The results showed a good correlation between the experimental data and the predicted results for many combinations of substrates and inks, but in a few cases, the absorption rates were different than expected. A clear difference of microscale distributions between aqueous and solvent inks on the nonwoven fabrics could be obtained by confocal laser scanning microscopy.

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Document Type: Research Article

Affiliations: 1: Research Institute, National Printing Bureau of Japan, Odawara, Kanagawa 256-0816, Japan 2: Department of Chemical and Biological Engineering, University of Maine, Orono, Maine 04469-5737

Publication date: 2009-09-01

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  • The Journal of Imaging Science and Technology (JIST) is dedicated to the advancement of imaging science knowledge, the practical applications of such knowledge, and how imaging science relates to other fields of study. The pages of this journal are open to reports of new theoretical or experimental results, and to comprehensive reviews. Only original manuscripts that have not been previously published, nor currently submitted for publication elsewhere, should be submitted.

    IS&T's JIST-first publication option allows authors wishing to present their work at conferences, but have a journal citation for their paper, to submit a paper to JIST that follows the same rigorous peer-review vetting and publication process as traditional JIST articles, but with the benefit of a condensed time-to-publication time frame and guaranteed conference presentation slot.

    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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