Single and Double Alkyl Chain Quaternary Ammonium Salts as Environment-Friendly Corrosion Inhibitors for a Q235 Steel in 0.5 mol/L H2SO4 Solution

被引：0
|
作者：
Feng, Yangyang [1 ]
Feng, Yunxiao [1 ]
Zhou, Xiaojie [1 ]
Wang, Qihui [2 ]
Cao, Yunli [1 ]
Vladescu, Alina
机构：
[1] Pingdingshan Univ, Sch Chem & Environm Engn, Pingdingshan 467000, Peoples R China
[2] Chongqing Univ Sci & Technol, Sch Civil Engn & Architecture, Chongqing 401331, Peoples R China
来源：
COATINGS | 2023年 / 13卷 / 11期
关键词：
ionic liquids; surface characterization; corrosion inhibitor; steric hindrance; self-assembly monolayers; MILD-STEEL; COPPER CORROSION; IONIC LIQUIDS; SULFURIC-ACID; CHLORIDE SOLUTION; GREEN INHIBITORS; FILM FORMATION; PASSIVATION; DERIVATIVES; EXTRACT;
D O I：
10.3390/coatings13111847
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the corrosion inhibition effects of octadecyl trimethyl ammonium chloride (OTAC) and dioctadecyl dimethyl ammonium chloride (DDAC) on Q235 steel in a 0.5 mol/L H2SO4 solution are studied. The results of the electrochemical experiment, contact angle measurement, and scanning electron microscopy indicate that the two ionic liquids belong to mixed-type corrosion inhibitors with good anti-corrosion performance. Additionally, OTAC has a better anti-corrosion ability than DDAC, implying that the steric hindrance effect of the double alkyl chain is not conducive to the adsorption of DDAC on the electrode surface.
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页数：13
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