Synthesis and investigation of quinazoline derivatives based on 8-hydroxyquinoline as corrosion inhibitors for mild steel in acidic environment: experimental and theoretical studies

被引：70
|
作者：
Rbaa, M. [1 ]
Galai, M. [2 ]
Benhiba, F. [3 ]
Obot, I. B. [4 ]
Oudda, H. [3 ]
Ebn Touhami, M. [2 ]
Lakhrissi, B. [1 ]
Zarrouk, A. [5 ]
机构：
[1] Ibn Tofail Univ, Lab Agroresources Polymers & Proc Engn, Dept Chem, Fac Sci, POB 133, Kenitra 14000, Morocco
[2] Ibn Tofail Univ, Lab Mat Engn & Environm Applicat & Modeling, Fac Sci, POB 133, Kenitra 14000, Morocco
[3] Univ Ibn Tofail, Lab Separat Proc, Fac Sci, POB 133, Kenitra 14000, Morocco
[4] King Fahd Univ Petr & Minerals, Ctr Res Excellence Corros, Dhahran, Saudi Arabia
[5] Mohammed V Univ, Lab Mat Nanotechnol & Environm, Fac Sci, Ave Ibn Battuta BP 1014, Rabat, Morocco
来源：
IONICS | 2019年 / 25卷 / 07期
关键词：
Synthesis; Quinazolinone derivatives; Corrosion inhibition; Electrochemical techniques; Theoretical studies; SEM; 1 M HCL; CARBON-STEEL; ADSORPTION; QUINOLINE; EXTRACT; PERFORMANCE; MOLECULES; SURFACE; EIS;
D O I：
10.1007/s11581-018-2817-7
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：
HCl pickling treatment is utilized to remove mill scales from mild steel (MS) surface at different temperatures up to 328 +/- 2K. In order to minimize the metal dissolution, newly multifunctional heterocycles based on 8-hydroxyquinoline namely 3-((8-hydroxyquinolin-5yl)-methyl)-2-phenylquinazolin-4(3H)-one (HQ-ZH), 3-((8-hydroxyquinliene-5-yl)-2-(4-nitrophenyl)-quinazolin-4(3H)-one (HQ-ZNO(2)), and 2-(2-hydroxyphenyl)-3-((8-hydroxyquinolin-5-yl)-methyl)-quinazolin-4(3H)-one (HQ-ZOH) have been synthesized and characterized by Fourier transform infrared (FT-IR), H-1,C-13 NMR, and elemental analysis. Their anticorrosive performance for the mild steel in 1M HCl medium has been determined by electrochemical and theoretical investigations. HQ-ZH, HQ-ZOH, and HQ-ZNO(2) act as excellent inhibitors for MS in 1M HCl. In addition, the surface of the mild steel has been analyzed by the UV-visible and SEM. The experimental results were correlated with theoretical studies.
引用
收藏
页码：3473 / 3491
页数：19
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