Study of water transport characteristics of poly(o-ethylaniline) coatings: corrosion mechanism

作者：Shinde Vandana P^*

来源：Ionics, 2018, 24(2): 605-615.

DOI：10.1007/s11581-017-2213-8

• Poly(o-ethylanilne)-coated copper
• EIS
• Corrosion mechanism
• Diffusion coefficient
• Breakpoint frequency
• Dielectric constant

Poly(o-ethylaniline) (POEA) coatings were synthesized on copper from aqueous solution containing o-ethylaniline and sodium salicylate by using cyclic voltammetry. This coating was characterized by mass spectroscopy. The corrosion protection behaviors of these coatings were evaluated by electrochemical impedance spectroscopy (EIS) in aqueous NaCl solution. Diffusion coefficient of water and chloride ion in POEA coatings on copper were investigated by EIS parameters. Due to these diffusion process variations in various properties of coatings such as dielectric constant, resistivity and diffusion layer thickness has been observed. All these parameters are useful for explaining corrosion mechanism of POEA coating in NaCl solution.

• 出版日期2018-2