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Carbon nanotubes functionalized with newly synthesized benzimidazole derivative for corrosion inhibition on the nickel alloy surface in a sulfuric acidic medium
Inorganic and Nano-Metal Chemistry ( IF 1.4 ) Pub Date : 2021-09-29 , DOI: 10.1080/24701556.2021.1984534
K. Jayamoorthy 1 , P. Saravanan 1 , Vaddi Seshagiri Rao 2 , N. R. Rajagopalan 1 , Sathish Rengarajan 2 , P. Nisha 3
Affiliation  

Abstract

3-methoxy-4-(1-phenyl-1H-benzimidazol-2-yl)phenol (MPBP) was synthesized by adding N-phenyl-o-phenylenediamine, 4-hydroxy-2-methoxybenzaldehyde and ammonium acetate in the presence of ethanol and nano silica at 80 °C. Newly synthesized benzimidazole was characterized by proton NMR, carbon NMR, LC-Mass spectral studies and elemental analysis. Nickel alloys play a major role in fields like automobiles and ship building owing to their stability in Acid, Base and Saline environments. CNT’s are having high stability against corrosion. So it has been planned to prepare 3-methoxy-4-(1-phenyl-1H-benzimidazol-2-yl)phenol-functionalized carbon nanotubes for corrosion-inhibiting barrier layer on nickel alloy surfaces. The evidence of corrosion inhibition efficiency of 3-methoxy-4-(1-phenyl-1H-benzimidazol-2-yl)phenol-functionalized carbon nanotubes coated on nickel alloys was confirmed by FTIR spectral studies (essence of spectra need to include). The nature of inhibition of corrosion was determined using electrochemical methods. 3-methoxy-4-(1-phenyl-1H-benzimidazol-2-yl) phenol functionalized CNTs displayed excellent corrosion inhibition on the nickel alloy surface.



中文翻译:

用新合成的苯并咪唑衍生物功能化的碳纳米管在硫酸介质中抑制镍合金表面的腐蚀

摘要

3-甲氧基-4-(1-苯基-1H-苯并咪唑-2-基)苯酚(MPBP)由N-苯基-苯二胺、4-羟基-2-甲氧基苯甲醛和乙酸铵在乙醇和纳米二氧化硅在 80 °C。新合成的苯并咪唑通过质子核磁共振、碳核磁共振、LC-质谱研究和元素分析进行​​了表征。由于镍合金在酸、碱和盐环境中的稳定性,镍合金在汽车和造船等领域发挥着重要作用。CNT具有抗腐蚀的高稳定性。因此已计划制备3-甲氧基-4-(1-苯基-1 H-苯并咪唑-2-基)苯酚官能化碳纳米管,用于镍合金表面的腐蚀抑制阻隔层。FTIR光谱研究证实了涂覆在镍合金上的3-甲氧基-4-(1-苯基-1 H-苯并咪唑-2-基)苯酚官能化碳纳米管的腐蚀抑制效率的证据(光谱的本质需要包括) . 使用电化学方法确定腐蚀抑制的性质。3-甲氧基-4-(1-苯基-1 H-苯并咪唑-2-基)苯酚官能化碳纳米管在镍合金表面显示出优异的腐蚀抑制作用。

更新日期:2021-09-29
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