Experimental and theoretical examinations of triazole linked saccharin derivatives as organic corrosion inhibitors for mild steel in hydrochloric acid
作者:Tarek A. Yousef、Abdulrahman G. Alhamzani、Mortaga M. Abou-Krisha、C.B. Pradeep Kumar、M.S. Raghu、K. Yogesh Kumar、M.K. Prashanth、Byong-Hun Jeon
DOI:10.1016/j.molstruc.2022.134603
日期:2023.3
The new triazole linked saccharin derivatives namely, 2-(3-methyl-1H-1,2,4-triazol-5-yl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide (MTD) and 2-(3-isopropyl-1H-1,2,4-triazol-5-yl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide (ITD) were synthesized under microwave irradiation method. The newly synthesized inhibitors were characterized by 1H NMR, 13C NMR, FT-IR and mass spectroscopic techniques. The ability
新的三唑连接糖精衍生物,即 2-(3-methyl-1H-1,2,4-triazol-5-yl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide (MTD) 和2-(3-isopropyl-1H-1,2,4-triazol-5-yl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide (ITD) 采用微波辐射法合成。新合成的抑制剂通过1 H NMR、13C NMR、FT-IR 和质谱技术。电化学阻抗谱 (EIS)、重量损失和动电位极化研究证实了这两种化合物在 0.5 M HCl 中作为低碳钢 (MS) 腐蚀抑制剂的能力。在研究的浓度和温度范围内,测试的 MTD 和 ITD 表现出显着的防腐性能,在 0.8 mM 时分别达到 94% 和 96%。极化研究表明 MTD 和 ITD 表现为混合型抑制剂。检测到的抑制剂强吸附反映了具有极好的相关值的