Green synthesis and use of copper oxide nanoparticles to prepare a highly thermal, antimicrobial, and anticorrosion hybrid coating for mild steel under electron beam irradiation

Purpose The purpose of this study is to prepare copper oxide nanoparticles (CuO NPs) in an easy and efficient way using a natural and environmentally friendly substance like ascorbic acid. Various concentrations of these nanoparticles were then added to solvent-free coating formulations to produce h...

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Bibliographic Details
Published in:	Anti-corrosion methods and materials Vol. 69; no. 2; pp. 160 - 170
Main Authors:	Mousaa, I.M, Abdelreheim, N.A, Elnaggar, S.A, Fathy, Rasha M
Format:	Journal Article
Language:	English
Published:	Bradford Emerald Publishing Limited 18-02-2022 Emerald Group Publishing Limited
Subjects:	Acids Acrylates Analytical methods Antiinfectives and antibacterials Ascorbic acid Contact angle Copper Copper oxides Corrosion Corrosion potential Corrosion prevention Corrosion resistance Corrosion tests Disease resistance Electron beams Electron irradiation Epoxy compounds Formulations Fourier transforms Homogeneity Infrared spectroscopy Irradiation Low carbon steels Nanocomposites Nanoparticles Open circuit voltage Polymerization Protective coatings Radiation Sodium Sodium chloride Solvents Spectrum analysis Steel Thermal stability Water hardness Water resistance X-ray diffraction United States > US Japan Egypt Antimicrobial anticorrosion Mild steel Inhibitors Corrosion Hybrid coating Copper oxide nanoparticles
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Summary:	Purpose The purpose of this study is to prepare copper oxide nanoparticles (CuO NPs) in an easy and efficient way using a natural and environmentally friendly substance like ascorbic acid. Various concentrations of these nanoparticles were then added to solvent-free coating formulations to produce highly hydrophobic, corrosion-resistant and antimicrobial hybrid coatings. These hybrid formulations were also used to coat the spent fuel casks for their integrity. Design/methodology/approach The hybrid coated films were then characterized by X-ray diffraction, Fourier transform infrared spectroscopy (FT-IR), water contact angle and Scanning electron microscope (SEM). In addition, different measurements, namely, mechanical, physical, chemical, thermal, corrosion tests, open circuit potential and antimicrobial activity of these hybrid films were performed. Findings The results showed that the copper oxide was prepared at nanometer scales with good homogeneity and diffusion in the epoxy acrylate matrix. It also showed that some hybrid coatings have high corrosion resistance, strong hardness, excellent water resistance, remarkable antimicrobial activity and high thermal stability compared to virgin epoxy acrylates. Originality/value The formula containing 0.5% CuO NPs was found to provide the highest corrosion protection and antimicrobial activity for mild steel in 3.5% sodium chloride (NaCl).
ISSN:	0003-5599 1758-4221
DOI:	10.1108/ACMM-11-2021-2566