PROTECTIVE TiO₂ COATINGS PREPARED BY SOL-GEL METHOD ON ZINC

Gabriella Stefánia SZABÓ; Emőke  ALBERT; Zoltán  HÓRVÖLGYI; Liana Maria  MUREŞAN

PROTECTIVE TiO₂ COATINGS PREPARED BY SOL-GEL METHOD ON ZINC

Authors

Gabriella Stefánia SZABÓ Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: gszabo@chem.ubbcluj.ro. https://orcid.org/0000-0002-7083-9106
Emőke ALBERT Department of Physical Chemistry and Materials Science, Faculty of Chemical Technology and Biotechnology, Centre for Colloid Chemistry, Budapest University of Technology and Economics, Hungary. Corresponding author: zhorvolgyi@mail.bme.hu.
Zoltán HÓRVÖLGYI Department of Physical Chemistry and Materials Science, Faculty of Chemical Technology and Biotechnology, Centre for Colloid Chemistry, Budapest University of Technology and Economics, Hungary. Email: zhorvolgyi@mail.bme.hu. https://orcid.org/0000-0002-8512-1682
Liana Maria MUREŞAN Department of Chemical Engineering, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, Romania. Email: limur@chem.ubbcluj.ro. https://orcid.org/0000-0002-2891-2947

Keywords:

zinc; TiO2, sol-gel method, dip- coating, corrosion

Abstract

The objective of this work was to develop new TiO₂-based coatings for producing an effective barrier as well as an appropriate support for inhibitors in corrosion protection of zinc. For this purpose, compact and mesoporous titania coatings on zinc substrates were prepared by sol-gel method (dip coating). For preparing mesoporous layers, cationic (cetyltrimethylammonium bromide, CTAB) or non-ionic (Pluronic PE 10300) surfactant templates were applied. The corrosion behaviour of the coatings was evaluated by open circuit potential measurements and Tafel interpretation of the polarization curves. The best corrosion resistance was noticed in the case of TiO₂ coated samples prepared in the presence of Pluronic surfactant.

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STUDIA UBB CHEMIA, Volume 60 (LX), No. 3, September 2015

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Published

2015-09-30

How to Cite

SZABÓ, G. S., ALBERT, E. ., HÓRVÖLGYI, Z. ., & MUREŞAN, L. M. . (2015). PROTECTIVE TiO₂ COATINGS PREPARED BY SOL-GEL METHOD ON ZINC. Studia Universitatis Babeș-Bolyai Chemia, 60(3), 225–235. Retrieved from https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/8483