期刊
COMPUTATIONAL AND THEORETICAL CHEMISTRY
卷 1229, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.comptc.2023.114327
关键词
Corrosion inhibitor; Imidazoline; Functional group; Density functional theory; Molecular dynamics
This study investigates the corrosion inhibition performance and adsorption behaviors of imidazoline modified by different functional groups using density functional theory calculation and molecular dynamics simulation. The results show that Imidazoline-CO-CH3 and Imidazoline-CHO have the best corrosion inhibition performance. This research not only facilitates the synthesis of corrosion inhibitors with improved performance but also provides guidance for large-scale synthesis of high-efficiency corrosion inhibitors in industry.
The imidazoline corrosion inhibitors have been a hot topic in research. The corrosion inhibition performance of imidazoline modified by different functional groups is probed in this study. The quantum chemical parameters for predicting the inhibition performance and adsorption behaviours of modified imidazoline are investigated by density functional theory calculation and molecular dynamics simulation. By evaluating the effect of functional groups on imidazoline corrosion inhibition, the modified imidazoline with better corrosion inhibition perfor- mance is screened. Besides, the interactions between modified imidazoline and the Fe(100) surface are explored. The results verify that Imidazoline-CO-CH3 and Imidazoline-CHO have the best corrosion inhibition perfor- mance. This work will not only facilitate the design and synthesis of imidazoline corrosion inhibitors with improved corrosion inhibition performance, but also provide guidance for large-scale synthesis of high-efficiency corrosion inhibitors in industry.
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