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Keywords:

  • conducting polymers;
  • poly(o-toluidine);
  • brass;
  • electrodeposition;
  • cyclic voltammetry;
  • electrochemical impedance spectroscopy

Abstract

Poly(o-toluidine) (POT) has been electrodeposited on brass from an aqueous salicylate solution by using cyclic voltammetry, and its corrosion protection performance has been evaluated by potentiodynamic polarization technique and electrochemical impedance spectroscopy in aqueous 3% NaCl solution. The corrosion potential was about 0.115 V vs. SCE more positive for the POT-coated brass than that of uncoated brass and reduces the corrosion rate of brass almost by a factor of 800. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010