Fabrication and evaluation of Rb2Co(H2P2O7)2$2H2O/waterborne polyurethane nanocomposite coating for corrosion protection aspects

M. A. Deyab; R. Essehli; B. El Bali; M. Lachkar

doi:10.1039/c7ra11212b

Fabrication and evaluation of Rb₂Co(H₂P₂O₇)₂$2H₂O/waterborne polyurethane nanocomposite coating for corrosion protection aspects

M. A. Deyab, R. Essehli, B. El Bali, M. Lachkar

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Here we investigate the influence of new acidic pyrophosphate (Rb₂Co(H₂P₂O₇)₂$2H₂O) (DP) incorporation in waterborne polyurethane (WBPU) coatings on the corrosion protection efficiency of WBPU coatings for carbon steel in 3.5% NaCl solution. We used potentiodynamic polarization, electrochemical frequency modulation (EFM) and pull-off adhesion and O₂ gas permeability measurements to measure the corrosion protection efficiency of the WBPU coating. The dispersion of the DP nano-particles into the WBPU matrix was characterized via TEM observations. We find that the corrosion resistance and mechanical properties of the WBPU coating increase with incorporation of DP nano-particles into the WBPU coating.

Original language	English
Pages (from-to)	55074-55080
Number of pages	7
Journal	RSC Advances
Volume	7
Issue number	87
DOIs	https://doi.org/10.1039/c7ra11212b
State	Published - 2017
Externally published	Yes

Funding

aEgyptian Petroleum Research Institute (EPRI), P.O. Box 11727, Nasr City, Cairo, Egypt. E-mail: [email protected] bQatar Environment and Energy Research Institute, Hamad Bin Khalifa University, Qatar Foundation, P.O. Box 5825, Doha, Qatar cLaboratoire d'Ingénierie des Matériaux Organométalliques et Moléculaires «L.I.M.O.M», Facultédes Sciences, UniversitéSidi Mohamed Ben Abdellah, B. P. 1796 (Atlas), Fès, Morocco

Funders	Funder number
Hamad bin Khalifa University
bQatar Environment and Energy Research Institute
Qatar Foundation	Atlas

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10.1039/c7ra11212b

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abstract = "Here we investigate the influence of new acidic pyrophosphate (Rb2Co(H2P2O7)2$2H2O) (DP) incorporation in waterborne polyurethane (WBPU) coatings on the corrosion protection efficiency of WBPU coatings for carbon steel in 3.5% NaCl solution. We used potentiodynamic polarization, electrochemical frequency modulation (EFM) and pull-off adhesion and O2 gas permeability measurements to measure the corrosion protection efficiency of the WBPU coating. The dispersion of the DP nano-particles into the WBPU matrix was characterized via TEM observations. We find that the corrosion resistance and mechanical properties of the WBPU coating increase with incorporation of DP nano-particles into the WBPU coating.",

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AU - El Bali, B.

AU - Lachkar, M.

PY - 2017

Y1 - 2017

N2 - Here we investigate the influence of new acidic pyrophosphate (Rb2Co(H2P2O7)2$2H2O) (DP) incorporation in waterborne polyurethane (WBPU) coatings on the corrosion protection efficiency of WBPU coatings for carbon steel in 3.5% NaCl solution. We used potentiodynamic polarization, electrochemical frequency modulation (EFM) and pull-off adhesion and O2 gas permeability measurements to measure the corrosion protection efficiency of the WBPU coating. The dispersion of the DP nano-particles into the WBPU matrix was characterized via TEM observations. We find that the corrosion resistance and mechanical properties of the WBPU coating increase with incorporation of DP nano-particles into the WBPU coating.

AB - Here we investigate the influence of new acidic pyrophosphate (Rb2Co(H2P2O7)2$2H2O) (DP) incorporation in waterborne polyurethane (WBPU) coatings on the corrosion protection efficiency of WBPU coatings for carbon steel in 3.5% NaCl solution. We used potentiodynamic polarization, electrochemical frequency modulation (EFM) and pull-off adhesion and O2 gas permeability measurements to measure the corrosion protection efficiency of the WBPU coating. The dispersion of the DP nano-particles into the WBPU matrix was characterized via TEM observations. We find that the corrosion resistance and mechanical properties of the WBPU coating increase with incorporation of DP nano-particles into the WBPU coating.

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Fabrication and evaluation of Rb₂Co(H₂P₂O₇)₂$2H₂O/waterborne polyurethane nanocomposite coating for corrosion protection aspects

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