Abstract
A new octa-coordinated metallo-organic complex of zirconium (IV) [(CH3COCHCOCH3)2Zr{C6H4(N=CHC6H4O)2}] was synthesized quantitatively by treating Zr(OPri)4·PriOH with CH3COCH2COCH3 and tetradentate Schiff’s base ligand (L) [where L = {C6H4(N=CHC6H4OH)2}] in 1:2:1 stoichiometry in anhydrous refluxing toluene. The yellow solid complex was characterized by elemental analysis, FTIR, UV–visible, fluorescence and NMR (1H and 13C) spectra as well as by single-crystal XRD. The complex was processed to obtain nano-structured zirconia (ZrO2) by sol–gel technique, and oxide ceramic was subjected to powder XRD, TEM and EDX analyses. Further, the same zirconia was employed in preparing superhydrophobic PVDF–nano-ZrO2 composite coatings by spray coating method, and the effect of nano-oxide ceramic on the wettability of PVDF–nano-ZrO2 composite coatings was studied systematically. The composite material was also characterized by FTIR and powder XRD.
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Acknowledgments
The authors express their cordial thanks to VIT University, Vellore, India, for providing essential infrastructure and facilities to accomplish the present research work. One of the authors (V. G. Prasanth) is grateful to VIT administration for the award of Research Associateship.
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Prasanth, V.G., Prasad, G., Kiran, T. et al. Synthesis, spectral characterization and crystal structure of a new precursor [(CH3COCHCOCH3)2Zr{C6H4(N=CHC6H4O)2}] for nano-zirconia: an investigation on the wettability of polyvinylidene fluoride–nano-zirconia composite material. J Sol-Gel Sci Technol 76, 195–203 (2015). https://doi.org/10.1007/s10971-015-3766-5
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DOI: https://doi.org/10.1007/s10971-015-3766-5