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Inkjet printing of polymer microspheres

: Sowade, E.; Seifert, T.; Hammerschmidt, J.; Blaudeck, T.; Baumann, R.

TU Chemnitz, Institut für Print- und Medientechnik:
Printing Future Days 2009. 3rd International Student Conference on Print and Media Technology. Proceedings : November 2 - 5, 2009, Chemnitz, Germany
Berlin: Verlag für Wissenschaft und Forschung, 2009
ISBN: 978-3-89700-108-4
Printing Future Days <3, 2009, Chemnitz>
Fraunhofer ENAS ()

In its history, the inkjet technology turned out as a reliable, fast and flexible additive deposition technique for the production of microstructures from a colloidal suspension. Upon evaporation of the solvent from the sessile drops, the polymer microsphere particles tend to undergo a selforganization related to the individual surface properties. In this paper we report on printing monodisperse polystyrene microsphere particles suspended in an aqueous environment using a Dimatix DMP 2831 drop-on-demand (DOD) piezo inkjet materials printer on glass substrates with variable surface energy. Our approach focuses on the effects of the self-assembly process under variation of the solids content of the inks and the surface energy of the substrate by physical and chemical means.