Imbibition of Picoliter Water Droplets on Coated Inkjet Papers
Abstract: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. Calculations 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 d 30-150 ms on n 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.
Document Type: Research Article
Publication date: 2010-01-01
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.
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