Electrosynthesis of polypyrrole coatings on steel has been investigated in ionic liquid, 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide (EMITESI). The electrical conductivity, morphology, adhesion, permeability and the protection efficiency have been interpreted. For this purpose, SEM and ATR-FTIR spectroscopy measurements, electrochemical impedance spectroscopy (EIS), temperature dependent potentiodynamic polarization and electrochemical noise measurements were utilized. Ionic liquid synthesis environment offers a polymer film with low permeability and better electrical conductivity. However, it has a substantial drawback like poor adhesion on steel, when compared to coatings obtained from aqueous solution. In order to combine superiorities of different synthesis conditions bilayer coating system has been prepared and showed that this coating has better coating properties. (C) 2013 Elsevier B.V. All rights reserved.
机构:
Tokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
Tokyo Univ Agr & Technol, Grad Sch Engn, Funct Ion Liquid Labs, Naka Cho, Koganei, Tokyo 1848588, Japan
Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USATokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
Kohno, Yuki
Gin, Douglas L.
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Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA
Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USATokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
Gin, Douglas L.
Noble, Richard D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USATokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
机构:
Tokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
Tokyo Univ Agr & Technol, Grad Sch Engn, Funct Ion Liquid Labs, Naka Cho, Koganei, Tokyo 1848588, Japan
Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USATokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
Kohno, Yuki
Gin, Douglas L.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA
Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USATokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan
Gin, Douglas L.
Noble, Richard D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USATokyo Univ Agr & Technol, Dept Biotechnol, Naka Cho, Koganei, Tokyo 1848588, Japan