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Adherent electroactive films of poly( o -phenylenediamine) (PPD) were obtained by electropolymerization of o -phenylenediamine ( o -PD) on 304 stainless steel under potentiostatic conditions. The in situ Fourier transform infrared reflectance spectroscopy study suggests a phenazine ring ladder-structure polymer. Open circuit potential and potentiodynamic studies of PPD-coated steel electrodes, in chloride aqueous solution show a positive shift of the corrosion potential.
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D’Elia et al. (2001) studied this question.
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