Influence of newly synthesized titanium phosphates on the corrosion protection properties of alkyd coating

M. A. Deyab, Khadija Eddahaoui, Rachid Essehli, Said Benmokhtar, Tarik Rhadfi, Alberto De Riccardis, Giuseppe Mele

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

This study reports the effect of three new titanium phosphates Li0.5M0.25Ti2(PO4)3 (where M = Mn, Co and Ni) on the protective properties of alkyd resin films applied on carbon steel substrate in 3.5% sodium chloride solution. The performance of the coatings was evaluated by electrochemical impedance spectroscopy, oxygen and water permeability and pull-off adhesion measurements. It was found that titanium phosphates improve the corrosion resistance as well as the adhesion strength of alkyd resin coatings. The incorporation of titanium phosphates into the alkyd resin coating significantly enhances the pore resistance of the alkyd resin and decreases the coating capacitance. Lower water and oxygen permeability were observed for alkyd resin containing titanium phosphates, confirming formation of a protective layer on the surface. The order of anticorrosion performance of the three coatings was as follows: Li0.5Mn0.25Ti2(PO4)3 > Li0.5Co0.25Ti2(PO4)3 > Li0.5Ni0.25Ti2(PO4)3.

Original languageEnglish
Pages (from-to)699-703
Number of pages5
JournalJournal of Molecular Liquids
Volume216
DOIs
Publication statusPublished - 1 Apr 2016

Fingerprint

alkyd resins
Alkyd resins
Corrosion protection
corrosion
phosphates
Phosphates
titanium
Titanium
coatings
Coatings
permeability
adhesion
Oxygen
Water
Bond strength (materials)
carbon steels
oxygen
sodium chlorides
Sodium chloride
Electrochemical impedance spectroscopy

Keywords

  • Carbon steel
  • Corrosion inhibition
  • EIS
  • Organic coatings

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

Cite this

Influence of newly synthesized titanium phosphates on the corrosion protection properties of alkyd coating. / Deyab, M. A.; Eddahaoui, Khadija; Essehli, Rachid; Benmokhtar, Said; Rhadfi, Tarik; De Riccardis, Alberto; Mele, Giuseppe.

In: Journal of Molecular Liquids, Vol. 216, 01.04.2016, p. 699-703.

Research output: Contribution to journalArticle

Deyab, M. A. ; Eddahaoui, Khadija ; Essehli, Rachid ; Benmokhtar, Said ; Rhadfi, Tarik ; De Riccardis, Alberto ; Mele, Giuseppe. / Influence of newly synthesized titanium phosphates on the corrosion protection properties of alkyd coating. In: Journal of Molecular Liquids. 2016 ; Vol. 216. pp. 699-703.
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