A smooth, adherent and nano-colloidal polyaniline (NCPANI) coating was electrosynthezied inpoly(maleic acid-co-vinyl acetate) (PMAVA) matrix by cyclic voltammetry in order to protect the fer-ritic 430 stainless steel (430SS) from corrosion. The electrodeposited coating was characterized by cyclicvoltammetry, UV–vis and FT-IR techniques. The morphology and the structure of the film were investigated by scanning electron microscopy (SEM). Corrosion behavior of coated steel was evaluated in3.5% NaCl solution by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The obtained results revealed that NCPANI coating provided a significant protection against corrosionprogression.
کلید واژگان :.Nano-colloidal polyaniline, Electropolymerization, Poly(maleic acid-co-vinyl acetate), Ferritic 430 stainless steel, Corrosion
ارزش ریالی : 600000 ریال
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