Intra-/inter-molecular synergistic inhibition effect of sulfonate surfactant and 2-benzothiazolethiol on carbon steel corrosion in 3.5% NaCl solution

被引：50

作者：

Zhu, Hailin ^{[1
]}

Li, Xiaofen ^{[1
]}

Lu, Xiaomeng ^{[1
]}

Chen, Xiaojie ^{[1
]}

Li, Jun ^{[1
]}

Han, Xinghua ^{[1
]}

Ma, Xuemei ^{[1
]}

Hu, Zhiyong ^{[1
]}

机构：

[1] North Univ China, Sch Chem Engn & Technol, Taiyuan 030051, Peoples R China

来源：

CORROSION SCIENCE | 2021年 / 182卷 / 182期

基金：

中国国家自然科学基金;

关键词：

Intra-/inter-molecular synergism; Carbon steel; NaCl solution; Electrochemical techniques; Theoretical studies; MILD-STEEL; GEMINI SURFACTANT; IONIC LIQUIDS; ACID; PERFORMANCE; COPPER; DERIVATIVES; MECHANISM; TWEEN-80; BEHAVIOR;

D O I：

10.1016/j.corsci.2021.109291

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A sulfonate surfactant (CHT) was synthesized, reacted with 2-benzothiazolethiol (MBT) to obtain CHMT to investigate the intramolecular synergistic inhibition effect of CHT and MBT. Meanwhile, a mixture of CHT and MBT in a 1:1 mol ratio (CHT + MBT) was used to investigate the intermolecular synergistic inhibition effect of CHT and MBT. The results from electrochemical experiment and theoretical studies indicated that CHMT and CHT + MBT strongly inhibited the corrosion of carbon steel in 3.5 % NaCl solution compared to MBT or CHT, revealing intramolecular and intermolecular synergistic action between CHT and MBT. Additionally, the mechanisms of intramolecular and intermolecular synergistic effects were proposed.

引用

页数：13

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