Synthesis and inhibitive performance of novel cationic and gemini surfactants on carbon steel corrosion in 0.5 M H2SO4 solution

被引：70
作者：
Hegazy, M. A. [1 ]
El-Tabei, A. S. [1 ]
Bedair, A. H. [2 ]
Sadeq, M. A. [2 ]
机构：
[1] Egyptian Petr Res Inst, Cairo 11727, Egypt
[2] Al Azhar Univ, Fac Sci, Dept Chem, Cairo 11787, Egypt
来源：
RSC ADVANCES | 2015年 / 5卷 / 79期
关键词：
HYDROCHLORIC-ACID SOLUTION; MILD-STEEL; COPPER CORROSION; SCHIFF-BASES; IODIDE-IONS; ADSORPTION; DERIVATIVES; BEHAVIOR; TRIAZOLE; OIL;
D O I：
10.1039/c5ra06473b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Novel cationic and gemini surfactants were synthesized and characterized. The corrosion inhibition efficiency of the synthesized surfactants was studied, on carbon steel in 0.5 M H2SO4, by weight loss, potentiodynamic polarization and EIS. The results revealed that both cationic and gemini surfactants effectively inhibited the corrosion of carbon steel in 0.5 M H2SO4. The corrosion inhibition efficiencies obtained were calculated by weight loss and electrochemical experiments. The potentiodynamic polarization studies revealed that the inhibitors acted as mixed-type inhibitors. Thermodynamic parameters of adsorption and kinetic were obtained from weight loss at different temperatures (20-60 degrees C). The inhibitor adsorption on the carbon steel surface obeyed the Langmuir isotherm.
引用
收藏
页码：64633 / 64650
页数：18
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