A comparative study on fabrication of a highly effective corrosion protective system based on graphene oxide-polyaniline nanofibers/epoxy composite

被引：191
|
作者：
Hayatgheib, Y. [1 ]
Ramezanzadeh, B. [1 ]
Kardar, P. [1 ]
Mandavian, M. [1 ]
机构：
[1] ICST, Dept Surface Coatings & Corros, PO 16765-654, Tehran, Iran
来源：
CORROSION SCIENCE | 2018年 / 133卷
关键词：
Steel; XRD; TEM; EIS; Polymer coatings; MILD-STEEL; NANOSHEETS; BARRIER; IRON; RESISTANCE; REDUCTION; GRAPHITE; BEHAVIOR; LAYER;
D O I：
10.1016/j.corsci.2018.01.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Graphene oxide nanosheets were functionalized with polyaniline (PANI) nanofibers through three methods In method II the polymerization of aniline was done in the presence of sodium dodecyl sulfate as a surfactant and ammonium persulfate as an initiator. In method I the surfactant and in method III the initiator were eliminated during polymerization procedure. The morphology and chemistry of the nanosheets were characterized. Then, the GO/epoxy and GO-PANIs/epoxy nanocomposites were fabricated and their corrosion protection performance was studied on steel substrate by electrochemical impedance spectroscopy. Results revealed that GO-PANI remarkably improved the barrier performance and provided active inhibition for epoxy coating.
引用
收藏
页码：358 / 373
页数：16
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