Preparation of the fluorinated graphene/epoxy resin anti-corrosion composite coating

被引：5

作者：

Peng, Yihe ^{[1
]}

Ou, Baoli ^{[1
,2
]}

Peng, Yongjie ^{[1
]}

Cheng, Tianyu ^{[1
]}

Wen, Mieyi ^{[1
]}

Liu, Huan ^{[1
]}

机构：

[1] Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China

[2] Tsinghua Univ, State Key Lab Tribol Adv Equipment, Beijing 100084, Peoples R China

来源：

基金：

中国国家自然科学基金;

关键词：

Graphene oxide; Fluorinated graphene; Epoxy resin; Coating; Anti-; corrosion; OXIDE; TEMPERATURE;

D O I：

10.1016/j.diamond.2024.111634

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In order to enhance the corrosion resistance of epoxy resin (EP) coating system, we put forward a facile approach to prepare hydrophobic fluorinated graphene (FG) filler for the EP coating by one-pot hydrothermal reaction in this work. Fourier transform infrared spectrometer (FT-IR), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), contact angle measuring instrument and scanning electron microscopy (SEM) were employed for the FG characterization. The SEM images of fracture morphology revealed that FG uniformly dispersed in epoxy resin matrix. Additionally, the excellent water resistance and the lower coefficient of friction of FG/EP coating was confirmed through the water absorption test and friction and wear test machine. The electrochemical impedance spectroscopy (EIS) demonstrated that the impedance value at the low frequency (|Z|(0.01Hz)) of 0.50 wt% FG/EP was 3.49 x 10(7) Omega<middle dot>cm(2) after being immersed in 3.5 wt% NaCl solution for 60 days, which was about 2 orders of magnitude higher than that of the pure EP coating (4.74 x 10(5) Omega<middle dot>cm(2)). The 0.50 wt% FG/EP coating exhibited the superior anti-corrosion performance due to the FG with the two-dimensional sheet structure, uniform dispersion and hydrophobicity properties.

引用

页数：12

共 59 条

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