Superhydrophobic Polyaniline Micro/Nano Structures as Anticorrosion Coating

doi:10.7503/cjcu20130214

Abstract

Abstract:

A "template-free" method was used to prepare the polyaniline micro/nano structures with different wettability by changing the dopant. The corrosion protection performance of the PANI with different wettability was evaluated in 0.1 mol/L H₂SO₄ using the potentiodynamic polarization curves and electrochemical impe-dance spectroscopy(EIS). The effect of the wettability on the anticorrosion performance was investigated. Superhydrophobic PANI micro/nano structures show good anticorrosion properties. This is due to the superhydrophobic conducting PANI coating not only inhibited water from being absorbed by the coating, thus preventing the corrosive chemicals and corrosion products from diffusing through the coating, but also promoting a thin oxide film on the electrode surface.

Key words: Superhydrophobicity, Anticorrosion, PANI micro/nano structure, Wettability

CLC Number:

O631

TrendMD:

XING Cui-Juan, YU Liang-Min, ZHANG Zhi-Ming. Superhydrophobic Polyaniline Micro/Nano Structures as Anticorrosion Coating[J]. Chem. J. Chinese Universities, 2013, 34(8): 1999.

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Superhydrophobic Polyaniline Micro/Nano Structures as Anticorrosion Coating

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