Investigation of viscoelastic and active corrosion protection properties of inhibitor modified silica nanoparticles/epoxy nanocomposite coatings on carbon steel

被引：58

作者：

Khodabakhshi, Javad ^{[1
]}

Mandavi, Hossein ^{[2
]}

Najafi, Farhood ^{[3
]}

机构：

[1] Univ Tehran, Dept Chem, Alborz Campus, Tehran, Iran

[2] Univ Tehran, Coll Sci, Sch Chem, POB 14155-6455, Tehran, Iran

[3] Inst Color Sci & Technol, Dept Resin & Addit, POB 16765-654, Tehran, Iran

来源：

CORROSION SCIENCE | 2019年 / 147卷

关键词：

Carbon steel; EIS; FESEM; Polarization; Epoxy coating; Silica nanoparticles; GRAPHENE OXIDE; EPOXY COATINGS; ANTICORROSION PROPERTIES; POLYETHYLENE-GLYCOLS; MILD-STEEL; PERFORMANCE; NANOCONTAINERS; RESISTANCE; PIGMENT; CLAY;

D O I：

10.1016/j.corsci.2018.11.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface modified silica nanoparticles (NPs), were synthesized using 2-mercaptobenzimidazol (MBI) and poly (ethylene glycol) (PEG) as organic corrosion inhibitors and characterized by FTIR spectroscopy and thermo-garavimetric analysis (TGA). The effect of incorporating different concentrations of SiO2-MBI and SiO2-PEG NPs in an epoxy resin, on corrosion protection properties of coated steel panels, was investigated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization. Also mechanical properties and Surface morphology of nanocomposite samples determined by field-emission scanning electron microscopy (FE-SEM) and dynamic mechanical thermal analysis (DMTA). Results, approved the effective role of NPs, in active corrosion protection and barrier properties of the coated samples.

引用

页码：128 / 140

页数：13

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