Influence Of pH on Corrosion Protection Performance of Mild Steel By Poly(o-anisidine) Coatings

摘要

The possibility of using the electrochemically synthesized poly(o-anisidine) (POA) coatings on Mild Steel (MS) for corrosion protection purposes was examined under different pH condition. The POA coatings were synthesized from an aqueous solution of oxalic acid under cyclic voltammetry. The extent of the corrosion protection offered by these coatings to MS in aqueous 3percent NaCl was examined by potentiodynamic polarization technique. The potentiodynamic polarization measurements demonstrate that the POA acts as a protective layer on MS against corrosion in chloride solution. This study shows that a POA coating can be considered as a potential coating material to protect MS against corrosion in a chloride environment.