Discotic anthraquinones as novel corrosion inhibitor for mild steel surface

被引：12
|
作者：
Sowmyashree, A. [1 ]
Somya, Amita [1 ]
Kumar, Sandeep [2 ,3 ]
Rao, Srilatha [2 ]
Jayaprakash, Gururaj Kudur [4 ]
机构：
[1] Presidency Univ, Sch Engn, Dept Chem, Bangalore, Karnataka, India
[2] Nitte Meenakshi Inst Technol, Dept Chem, Bangalore, Karnataka, India
[3] Raman Res Inst, Soft Condensed Matter, Sadashivanagar 560080, Bengaluru, India
[4] Shoolini Univ, Sch Adv Chem Sci, Solan 173229, Himachal Prades, India
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2022年 / 347卷
关键词：
Corrosion inhibitor; Corrosion efficiency; Hydrochloric acid; Mild steel (MS); And Electrochemical studies; CARBON-PASTE ELECTRODE; TRITON X-100; DERIVATIVES; RUFIGALLOL; FUKUI;
D O I：
10.1016/j.molliq.2021.118194
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：
Liquid crystals are primarily known for their application in electro-optical devices and their application potential in preventing corrosion has rarely been explored. This report elucidates the application of a room temperature anthraquinone based discotic liquid crystal 1,5-dihydroxy-2,3,6,7-tetrakis(3,7-dime thyloctyloxy)-9,10-anthraquinone 3 (RTAQ) as a corrosion inhibitor on mild steel surfaces. It also attempts to bring out the importance of mesogenic organization towards inhibiting corrosion for metals. The aforementioned RTAQ exhibits, cathodic type of inhibition. The inhibition efficiency obtained for RTAQ was found to be 83.96% at a higher concentration of the inhibitor. The results obtained from quantum studies are in good agreement with the experimental studies. (C) 2021 Elsevier B.V. All rights reserved.
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页数：7
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