Dynamic Surface Tension of UV-Curable Inkjet Inks
Abstract:Properties like adhesion of inkjet prints on unporous media are strongly determined by wetting characteristics of ink on media. In contrast to solvent based inks for UV-curable inkjet-systems the ink is not allowed to equilibrate on surfaces because the film is cured within a very short timeframe after jetting. Therefore the static surface tension is not able to characterise the ink-media interaction before the ink curing process is initiated. In a time-scale of milliseconds the dynamic surface tension measured with the maximum pressure bubble method can be used to describe the dynamic processes of ink on unporous media. In this paper we present a study of dynamic surface tension of mono-, di-, and trifunctional acrylates in order to evaluate the effect of molecular weight, structure and the behavior of mixtures on the resulting dynamic surface tension in UV-curable inkjet inks.
Document Type: Research Article
Publication date: January 1, 2004
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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