Adsorption and inhibition of rosin thiourea imidazole quaternary ammonium salt on steel surface in HCl solution

被引：9

作者：

Sun, Zhongwen ^{[1
,2
,3
]}

Wu, Hao ^{[1
]}

Wei, Gaofei ^{[1
]}

Zhang, Ruilin ^{[4
]}

Deng, Shuduan ^{[1
]}

Lei, Ran ^{[1
]}

Xu, Dake ^{[5
]}

Li, Xianghong ^{[1
]}

机构：

[1] Southwest Forestry Univ, Coll Mat & Chem Engn, Kunming 650224, Peoples R China

[2] Kunming Med Univ, Sch Pharmaceut Sci, Kunming 650500, Peoples R China

[3] Kunming Med Univ, Yunnan Key Lab Pharmacol Nat Prod, Kunming 650500, Peoples R China

[4] Kunming Med Univ, Sch Forens Med, NHC Key Lab Drug Addict Med, Kunming 650500, Peoples R China

[5] Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China

来源：

COLLOID AND INTERFACE SCIENCE COMMUNICATIONS | 2024年 / 60卷

基金：

中国国家自然科学基金;

关键词：

Rosin; Quaternary ammonium salt; Corrosion inhibitor; Steel; Adsorption; Hydrochloric acid; CORROSION INHIBITION; CARBON-STEEL; PETROLEUM OIL; TUBING STEEL; IRON; ACIDIZATION; WATER;

D O I：

10.1016/j.colcom.2024.100788

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Rosin thiourea imidazole quaternary ammonium salt (RTIQAs) was synthesized by connecting rosin and imidazole units via thiourea linker, and its inhibitive action on the corrosion of CRS (cold rolled steel) in 1.0 M HCl solution was fully investigated. The results demonstrate that RTIQAs is an efficient mixed-type inhibitor with the maximum inhibition efficiency of 95%. The adsorption rule on the CRS surface fully complies with Langmuir isotherm. The efficient inhibition of RTIQAs can also be verified by AFM, SEM and CLSM (confocal laser scanning microscope). The direct adsorption proof of RTIQAs molecules on steel surface can be further presented in EDX and XPS.

引用

页数：10

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