A comparative study of polymer films on steel from ionic liquid and aqueous solution

被引：4
|
作者：
Sigircik, Gokmen [1 ]
Tuken, Tunc [1 ]
Erbil, Mehmet [1 ]
机构：
[1] Cukurova Univ, Dept Chem, Fac Sci & Letters, Adana, Turkey
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2013年 / 138卷 / 2-3期
关键词：
Polymers; Thin films; Coatings; Electrochemical properties; ELECTROCHEMICAL SYNTHESIS; POLYPYRROLE; ELECTROPOLYMERIZATION; POLY(3,4-ETHYLENEDIOXYTHIOPHENE);
D O I：
10.1016/j.matchemphys.2012.12.066
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
引用
收藏
页码：823 / 832
页数：10
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