Abstract
Conducting polymer composites have gained popularity into the field of organic anticorrosive coatings research due to their low environmental and health impact. In this work, the effect of the conducting polymer/elastomer ratio and the PAni doping method on the electrochemical behavior of polyaniline/styrene butadiene rubber films (PAni/SBR) has been studied in order to evaluate the performance of the proposed coatings for carbon steel corrosion prevention. According to open circuit potential measurements, linear polarization resistance tests, electrochemical impedance spectroscopy and polarization curves, the use of dodecyl benzene sulfonic acid as doping agent and the reduction of the PAni content in the composite enhance the anticorrosive behavior of PAni/SBR composites by inducing carbon steel passivation process.
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