A Study of the Dynamic Spreading of Inks onto Various Ink-jet Substrates
Abstract:The aim of this paper is to present some results concerning ink/substrate interactions in the context of ink-jet printing. During the impact of an ink drop onto the substrate, the interface properties of the materials play a crucial role, which may determine, to a certain extent, the spreading of the ink droplets, and therefore the ensuing print quality.
In this study, several substrates, including papers of various quality levels and a polymer film, were analysed. Classical methods of porosity determination were applied, together with roughness measurements. The surface energy of these substrates was calculated from measurements of contact angles with various liquids.
A series of commercial ink-jet inks, and the corresponding model solvents were analysed. Their surface tension was measured by the DuNouy ring method and then,.their spreading kinetics onto the different substrates were examined using a high-speed camera coupled with an image analysis system.Various situations were observed. These results were correlated to quality tests conducted with commercial ink-jet printers using the same inks/ substrates systems.
Document Type: Research Article
Publication date: January 1, 2000
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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