| ZHANG Zhe,RUAN Le,LI Xiu-ying,LI Xiu-ying.3-amino-1,2,4-triazole and 3-amino-1,2,4-triazole Aromatic Aldehydes Schiff Bases as Carbon Steel Corrosion Inhibitors in 0.5 mol/L Chloride Solution[J],46(1):193-199 |
| 3-amino-1,2,4-triazole and 3-amino-1,2,4-triazole Aromatic Aldehydes Schiff Bases as Carbon Steel Corrosion Inhibitors in 0.5 mol/L Chloride Solution |
| Received:August 05, 2016 Revised:January 20, 2017 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2017.01.031 |
| KeyWord:self-assembly Schiff bases carbon steel corrosion |
| Author | Institution |
| ZHANG Zhe |
Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, School of Chemistry and Bioengineering, Guilin University of Technology, Guilin , China |
| RUAN Le |
Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, School of Chemistry and Bioengineering, Guilin University of Technology, Guilin , China |
| LI Xiu-ying |
Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, School of Chemistry and Bioengineering, Guilin University of Technology, Guilin , China |
| LI Xiu-ying |
Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, School of Chemistry and Bioengineering, Guilin University of Technology, Guilin , China |
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| Abstract: |
| The work aims to obtain 3-amino-1, 2, 4-triazole and 3-amino-1, 2, 4-triazole and three kinds of self-assembled films of triazol-3-ylamine and three kinds of aldehydes Schiff base, and increase corrosion inhibition of carbon steel in 0.5 mol/L HCl solution. Electrochemical parameters of Schiff base self-assembled films in HCl solution, such as impedance variation, corrosion potential and corrosion current, were studied by using electrochemical impedance spectroscopy, tafel polarization curve, etc. Composition of the self-assembled films was characterized by using XPS. The maximum inhibition efficiency of self-assembled films was up to 92.72% in HCl solution, XPS test showed that self-assembled molecules and metallic atoms bonded in the form of chemical. The 3-amino-1, 2, 4-triazole and 3-amino-1, 2, 4-triazole aromatic aldehydes Schiff bases provide favorable corrosion inhibition effect for carbon steel in HCl. The inhibiting efficiency depends on the molecular structure, O and N heteroatoms, halogen group, three thiazole ring and benzene ring contribute to the formation of self-assembled films. |
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