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Imbibition of picoliter water droplets on coated inkjet papers
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Surface and Corrosion Science. YKI, Ytkemiska Institutet, Stockholm, Sweden .
2010 (English)In: NIP26: 26th International Conference on Digital Printing Technologies, 2010, 475-478 p.Conference paper (Refereed)
Abstract [en]

When an impinged inkjet droplet is impacting a paper substrate, it evaporates to the air and penetrates into the paper. The imbibition dynamics are strongly dependant on the pore structure on the surface and inside the substrate. In this work picoliter (pL) water droplets were impinged onto two commercially available matte and gloss coated paper sample. The imbibition process was recorded and analyzed using a high speed imaging system. Calcidations of the volume change were done by considering that the droplets are shaped as hemispherical caps. The total drying time of water droplets of about 60 pL is 10-15 ms on the gloss coated paper, and 30-150 ms on the matte coated paper. In addition, the two samples show different regimes in the imbibition process caused by the different porous structures present in the samples.

Place, publisher, year, edition, pages
2010. 475-478 p.
Keyword [en]
Drying time, Gloss-coated papers, Hemispherical cap, High speed imaging systems, Imbibition process, Ink jet paper, Ink-jet droplets, Matte coated papers, Paper substrate, Porous structures, Volume change, Water droplets, Digital printing, Surface structure, Drops
National Category
Other Engineering and Technologies
URN: urn:nbn:se:kth:diva-150244ScopusID: 2-s2.0-79955738260ISBN: 978-089208293-3OAI: diva2:743131
26th International Conference on Digital Printing Technologies, NIP26 and 6th International Conference on Digital Fabrication 2010, DF 2010; Austin, TX; United States; 19 September 2010 through 23 September 2010

QC 20140903

Available from: 2014-09-03 Created: 2014-09-01 Last updated: 2014-09-03Bibliographically approved

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Claesson, Per Martin
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Surface and Corrosion Science
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