Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480
Review
A Nanotechnology in Corrosion Science (Part 5)
—Protection of Passive Film against Breakdown and Substrate Iron against Corrosion by Coverage of Passivated Iron with an Ultrathin Two-dimensional Polymer Coating—
Kunitsugu Aramaki
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JOURNALS FREE ACCESS

2012 Volume 61 Issue 4 Pages 136-143

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Abstract

An ultrathin, two-dimensional polymer coating of carboxylate ion self-assembled monolayer adsorbed on a passivated iron electrode is prepared by chemical modification with alkyltriethoxysilanes. Passive film breakdown in 0.1 M NaCl, 0.1 M Na2SO4, and 0.1 M KClO4 with and without Cl is markedly prevented by coverage with the polymer coating and healing treatment in 0.1 M NaNO3. Complete protection of the iron electrode against corrosion in these solutions is accomplished by covering the electrode with the healed passive film and polymer coating unless the passive film is broken down.

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© 2012 Japan Society of Corrosion Engineering
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