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.

引用

页数：13

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