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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۱، شماره ۴، صفحات ۱۳۱۳-۱۳۲۱
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عنوان انگلیسی Corrosion Inhibition Properties of Sulfonated Polyaniline-Poly(Vinyl Alcohol) Composite on Mild Steel
چکیده انگلیسی مقاله In this work, we demonstrate water-based corrosion inhibition properties of engineered sulfonated polyaniline molecules on poly(vinyl alcohol), PANI-PVA, for mild steel. The corrosion-inhibition performances were evaluated using potentiodynamic polarization in a salty corrosive 3 % NaCl solution. The anti-corrosion coating based on these composite materials displays barrier properties against corrosion-causing agents and shows a corrosion protection efficiency of 84.39 %, compared with uncoated. The material showed a lower value of corrosion current (Icorr) which is 2.56 μA/cm2 and a positive shift in corrosion potential (Ecorr), -0.426 V, in comparison with uncoated steel.   Open Circuit Potential (OCP) Studies and electrochemical impedance (EIS) were also carried out to check the corrosion protection ability of the material. OCP studies, Nyquist plot, and Bode plots showed that the synthesized PANI-PVA possess a corrosion protection ability on mild steel against the corrosive species.
کلیدواژه‌های انگلیسی مقاله Poly (vinyl alcohol),Polyaniline,Corrosion protective coating,corrosion potential,corrosion current
نویسندگان مقاله Wahid Ullah |
National Center of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, PAKISTAN

Hajera Gul |
National Center of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, PAKISTAN

Rizwan Ullah |
National Center of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, PAKISTAN

Salma Gul |
Department of Chemistry, Women University, Swabi, PAKISTAN

Anwar Ul HaqAnwar Ali Shah |
Institute of Chemical Sciences, University of Peshawar, 25120 Peshawar, PAKISTAN

Salma Bilal |
National Center of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, PAKISTAN

نشانی اینترنتی https://ijcce.ac.ir/article_244124_259a8dd9ff22773b3768f261c7902881.pdf
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