Synthesized N1, N2-bis (furan-2-ylmethylene)Benzene-1, 2-diamine as a Corrosion Inhibitor for 20# Carbon Steel in 1 M Hydrochloric Acid

被引：2
|
作者：
Xiao, Zuoan [1 ,2 ]
Wu, Huawei [1 ]
Liang, Guijie [3 ]
Zhan, Dan [2 ]
机构：
[1] Hubei Key Lab Power Syst Design & Test Elect Vehi, Xiangyang 441053, Peoples R China
[2] Hubei Univ Arts & Sci, Dept Chem Engn & Food Sci, Xiangyang 441053, Peoples R China
[3] Hubei Key Lab Low Dimens Optoelect Mat & Devices, Xiangyang 441053, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 11期
基金：
美国国家科学基金会;
关键词：
furfural; o-diaminobenzene; corrosion inhibitor; adsorption; SCHIFF-BASE COMPOUNDS; 0.5 M H2SO4; MILD-STEEL; M HCL; ADSORPTION; ALUMINUM; COPPER; ALLOY; BRASS;
D O I：
10.20964/2017.11.47
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
N1, N2-Bis (furan-2-ylmethylene) benzene-1,2-diamine (SB) was synthesized and investigated as a 20# carbon steel inhibiter in 1 M hydrochliric acid. Electrochemical and weight loss (WL) measurements were employed for evaluating the inhibition properties of SB. It was shown that SB acted as a mix -type corrosion inhibitor during the process, and the charge transfer resistance increased, while the double layer capacitance decreased with the increasing SB concentration. The results implied that the inhibiting effect of SB was attributed to the covering layer formed on the steel surface that replaced the water molecule. The thermodynamic adsorption parameters obtained from the WL measurements demonstrated that the adsorption process is exothermic and spontaneous, and the adsorption of SB obeys a Langmuir adsorption isotherm. The calculated values of AG ads revealed that the adsorption mechanism of SB on the steel surface is a combination of physical and chemical processes.
引用
收藏
页码：10969 / 10980
页数：12
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