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Poly(o‐phenylenediamine) and poly(o‐phenylenediamine)/ZnO (PoPd/ZnO) nanocomposites coating were prepared on type‐304 austenitic stainless steel (SS) using H 2 SO 4 acid as electrolyte by potentiostatic methods. Fourier transforms infrared spectroscopy and scanning electron microscopy techniques were used to characterize the composition and structure of PoPd/ZnO nanocomposites. The corrosion protection of polymer coatings ability was studied by E ocp ‐time measurement, anodic and cathodic potentiodynamic polarization and impedance techniques in 3.5% NaCl as corrosive solution. It was found that ZnO nanoparticles improve the barrier and electrochemical anticorrosive properties of poly(o‐phenylenediamine).
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Aisha A. Ganash (2014) studied this question.
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