Materiales de Construcción, Vol 67, No 325 (2017)

Synthesis of nanocomposite coating based on TiO2/ZnAl layer double hydroxides

V. Jovanov
"Ss Cyril and Methodius" University in Skopje, Faculty of Technology and Metallurgy, Macedonia, the former Yugoslav Republic of

O. Rudic
University of Novi Sad, Faculty of Technology, Serbia

J. Ranogajec
University of Novi Sad, Faculty of Technology, Serbia

E. Fidanchevska
"Ss Cyril and Methodius" University in Skopje, Faculty of Technology and Metallurgy, Macedonia, the former Yugoslav Republic of


The aim of this investigation was the synthesis of nanocomposite coatings based on Zn-Al layered double hydroxides (Zn-Al LDH) and TiO2. The Zn-Al LDH material, which acted as the catalyst support of the active TiO2 component (in the content of 3 and 10 wt. %), was synthesized by a low super saturation co-precipitation method. The interaction between the Zn-Al LDH and the active TiO2 component was accomplished by using vacuum evaporation prior to the mechanical activation and only by mechanical activation. The final suspension based on Zn-Al LDH and 10wt. % TiO2, impregnated only by mechanical activation, showed the optimal characteristics from the aspect of particle size distribution and XRD analysis. These properties had a positive effect on the functional properties of the coatings (photocatalytic activity and self-cleaning efficiency) after the water rinsing procedure.


Composite; Durability; Characterization; Microstructure; Particles size distribution

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