Corrosion protection properties of tetraphenylethylene-based inhibitors toward carbon steel in acidic medium

被引：1

作者：

Chen, Yumeng ^{[1
]}

An, Yiming ^{[1
]}

Ma, Jing ^{[1
]}

Zhang, Zhihua ^{[1
]}

Qiao, Fulin ^{[1
]}

Lei, Xue ^{[1
]}

Sun, Fei ^{[1
]}

Wang, Chunlu ^{[1
]}

Gao, Song ^{[1
]}

Zhao, Yue ^{[1
]}

Wang, Jinhua ^{[1
]}

Fu, Xiaoping ^{[1
]}

Wang, Hui ^{[1
]}

Yu, Zhengqi ^{[1
]}

机构：

[1] Sinopec Res Inst Petr Proc Co Ltd, Beijing 100083, Peoples R China

来源：

RSC ADVANCES | 2023年 / 13卷 / 12期

基金：

中国国家自然科学基金;

关键词：

AGGREGATION-INDUCED EMISSION; ENERGY-TRANSFER; PLATFORM; DESIGN; DOTS;

D O I：

10.1039/d2ra08062a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four novel corrosion inhibitors (1, 2, 3 and 4) integrating different tetraphenylethylene (TPE) cations and thiocyanate (SCN-) anions were developed. Weight-loss and electrochemical measurements were employed to assess their protective properties toward carbon steel in 0.5 M H2SO4, revealing them as effective corrosion inhibitors in the order of 3 > 4 > 2 > 1, with the inhibition efficiencies of 2, 3 and 4 all exceeding 97%. The inhibitory effect could be attributed to hard and soft acids and bases theory and the synergistic effect of the charged ingredients. The efficiency trend of the corrosion inhibition, as well as inhibition mechanism, was verified by multi-scaled theoretical simulations combined with grand canonical Monte Carlo and molecular dynamic methods.

引用

页码：8317 / 8326

页数：10

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