Enhanced corrosion resistance of silicone-modified epoxy coatings by surface-wave plasma treatment

Tao Xu, Heqing Li, Jing Song, Guilian Wang, Seiji Samukawa, Xijiang Chang, Jingxia Yang

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Silicone-modified epoxy coatings were prepared and treated under different plasma atmospheres in order to enhance their anticorrosion ability. The corrosion current density, corrosion potential and impedance of the modified coatings were measured by an electrochemical workstation. The results showed that the corrosion resistances of silicone-modified epoxy coatings were highly improved by surface-wave plasma treatment. Compared with the original coating, the corrosion current density of these coatings modified by plasma decreased from 0.5976 μA/cm2 to the minimum of 0.0058 μA/cm2 and the impedance increased from 1.925×103 Ω·cm2 to the maximum of 2.938×106 Ω·cm2, in which Ar plasma showed the best significant effect.

Original languageEnglish
Pages (from-to)5051-5063
Number of pages13
JournalInternational Journal of Electrochemical Science
Volume14
Issue number6
DOIs
Publication statusPublished - 2016 Jun 1

Keywords

  • Corrosion resistance
  • Silicone-modified epoxy
  • Surface modification
  • Surface wave plasma

ASJC Scopus subject areas

  • Electrochemistry

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