The SGG is using the experience of the INCOREDEC Project (High Temperature Inks and a Computerised, Reliable Printing System for Marking and Decoration of Products and Semi Finished Products), to develop the preparation of mixed oxides nanoparticles for pigments and inks (ink-jet).
The preparation is oriented for ink-jet inks for printing on vitreous, metallic or ceramics surfaces by means of a computer controlled system. The inks must be stable at very high temperatures (800-1100ºC) in order to withstand the calcination process of the different substrates. These materials need to have optimal mechanical and chemical properties as well as good adhesion to the substrates and stability upon irradiation with UV-light. Pigment nanoparticles must comply with important size limitations in order to allow its usage in pigmented ink-jet inks.
XRD patterns showing the small particle size of the mixed oxides
Nanoparticles prepared via Sol-Gel and modified Sol-Gel procedures
Sol-Gel prepared Ni-hydroxynitrate nanosheets
H. Cui, M. Zayat and D. Levy, A chemical strategy to control the shape of oxide nanoparticles, Journal of Nanoparticles Research 2009, 11(6), 1331-1338.
H. Cui, M. Zayat and D. Levy, A general epoxide-assisted sol-gel route for the synthesis of metal oxide-silica composites and silicates ultrafine particles, Journal of Alloys and Compounds 2009, 474(1), 292-296.
H. Cui, M. Zayat and D. Levy, Controlled homogeneity of the precursor gel in the synthesis of SrTiO3 nanoparticles by an epoxide assisted sol-gel route, Journal of Non Crystalline Solids 2007, 353(11-12), 1011-1016.
H. Cui, M. Zayat and D. Levy, Exfoliation-free nanosheet synthesis of transition metal hydroxynitrate and its transformation to oxide particulate nanosheet, Chemistry Letters 2007, 36(1), 144-145.
H. Cui, M. Zayat and D. Levy, Effect of HCl on the PPO assisted Sol-Gel synthesis of olivine-type Co2SiO4 ultrafine particles, Journal of Sol-Gel Science and Technology 2006, 40(1), 83-87.
H. Cui, M. Zayat and D. Levy, Nanoparticle Synthesis of Willemite Doped with Cobalt Ions (Co0.05Zn1.95SiO4) by an Epoxide-Assisted Sol-Gel Method, Chem. Mater. 2005, 17(22), 5562-5566.
M. Zayat and D. Levy, Blue CoAl2O4 Particles Prepared by the Sol-Gel and Citrate-Gel Methods, Chem. Mater. 2000, 12(9), 2763-2769.