New hybrid phosphite (CH3OH)Cd(H2PO3)2: Synthesis, characterization and application of nanocomposite

(CH3OH)Cd(H2PO3)2 (CdP) has been synthesized in solution, it was characterized by single crystal X-ray diffraction and Fourier-transform infrared spectroscopy (FT-IR). The impact of CdP nanoparticles on the protective performance of polyurethane (PU) coatings was investigated. The anti-corrosion per...

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Bibliographic Details
Published in:Journal of molecular liquids 2019-09, Vol.289, p.111142, Article 111142
Main Authors: Ouarsal, Rachid, Lachkar, Mohammed, Deyab, M.A., Dusek, Michal, El Bali, Brahim
Format: Article
Language:English
Subjects:
Corrosion
Crystal structure
Hypophosphite
IR spectroscopy
Nanocomposite coatings
Polyurethane
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Summary:(CH3OH)Cd(H2PO3)2 (CdP) has been synthesized in solution, it was characterized by single crystal X-ray diffraction and Fourier-transform infrared spectroscopy (FT-IR). The impact of CdP nanoparticles on the protective performance of polyurethane (PU) coatings was investigated. The anti-corrosion performance of new CdP/PU nanocomposite coatings was characterized by electrochemical impedance spectroscopy (EIS), cathodic disbanding and pull-off adhesion investigations. The results indicated that the anti-corrosion property and the cathodic disbanding resistance of the PU coatings were significantly improved by adding CdP nanoparticles. •(CH3OH)Cd(H2PO3)2 (CdP) has been synthesized in solution.•FTIR spectrum confirms the expected bands of the phosphite anion.•We developed CdP/PU nanocomposite coatings.•CdP/PU nanocomposite coatings exhibit better anticorrosive properties.•CdP particles in nanocomposite coatings improve its mechanical properties.
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2019.111142