One-Step Synthesis of a Steel Corrosion Inhibitor, 1-(2-Neononylamidoethyl)-2-neononyl-2-imidazoline

被引：3
作者：
Bondareva, S. O. [1 ]
Murinov, Yu, I [1 ]
机构：
[1] Russian Acad Sci, Ufa Fed Res Ctr, Ufa Inst Chem, Ufa 450054, Bahskortostan, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2022年 / 95卷 / 02期
关键词：
neodecanoic acid; 1-(2-Neononylamidoethyl)-2-neononyl-2-imidazoline; base hydrolysis; acid corrosion inhibitor; MILD-STEEL; IMIDAZOLINES; HYDROLYSIS; IRON;
D O I：
10.1134/S1070427222020045
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
1-(2-Neononylamidoethyl)-2-neononyl-2-imidazoline was synthesized in one step from diethylenetriamine and neodecanoic acid in 55-60% yield. Its structure was confirmed by data of gas-liquid chromatography, mass spectrometry, and UV, IR, and C-13 NMR spectroscopy. As shown by UV spectroscopy, the product is resistant to acid hydrolysis. The kinetics of its base hydrolysis in 50% aqueous isopropanol at 25-75 degrees C and pH 12.5 was studied. The inhibiting effect of 1-(2-neononylamidoethyl)-2-neononyl-2-imidazoline on the corrosion of St3 low-carbon steel in 2.0 \M sulfuric acid and in 1.0 and 4.8 \M hydrochloric acid was studied; the degree of protection was 90-94%.
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页码：256 / 263
页数：8
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