Branched chain versus straight chain fluorinated surfactant: A comparative study of their anticorrosion performance on carbon steel

Wei, Zengfeng; Chen, Xin; Duan, Jiang; Zhan, Guangming; Wei, Yuansong; Zhang, Aidong

doi:10.1016/j.molliq.2019.02.062

Cited by 27 publications

(12 citation statements)

References 37 publications

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“…Generally speaking, if ΔN is between 0 and 3.6, larger ΔN values usually represent a stronger capability of self-assembled molecules to donate electrons and higher inhibition efficiency. [51] All in all, these conclusions of better properties of Arg theoretically support the results of the former experimental studies.…”

Section: Quantum Chemical Calculationssupporting

confidence: 82%

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I⁻ ions: Experimental and theoretical studies

Zhao

Qian

Niu

2021

Materials & Corrosion

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The inhibition effect of amino acids L-lysine (Lys) and L-arginine (Arg), which serve as inhibition films for corrosion of 316L stainless steel in 0.5 M NaCl solution, is studied by electrochemical measurements. The adsorption of the inhibitor molecules on the steel surface is studied by Fourier transformed infrared spectroscopy (FTIR) and surface-enhanced Raman spectroscopy (SERS), accompanied by the characterization of the metal surface by scanning electron microscopy (SEM). All in all, Lys or Arg can obviously restrain the corrosion of 316L steel, while the inhibition efficiency is even higher with the assistance of I − ions. Arg always has better inhibition performance than Lys regardless of the addition of I − ions. FTIR and SERS confirm the adsorption of amino acids on the metal surface; at the same time, the morphology and protection effect of the inhibition films is clearly illustrated via SEM images. Thanks to all experimental measurements as mentioned above and theoretical calculations, a mechanism model is proposed to simulate the corrosion inhibition process of amino acids and the synergistic effect of I − ions on 316L steel.

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Section: Quantum Chemical Calculationssupporting

confidence: 82%

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I⁻ ions: Experimental and theoretical studies

Zhao

Qian

Niu

2021

Materials & Corrosion

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“…On the contrary, Figure c shows a smoother and remarkably less damaged surface. This result suggests the formation of a protective film by CPYA adsorption …”

Section: Resultsmentioning

confidence: 80%

Theoretical and experimental studies of a new aniline derivative corrosion inhibitor for mild steel in acid medium

Fernandes

Palmeira-Mello

Santos

et al. 2019

Materials & Corrosion

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4‐Chloro‐N‐(pyridin‐2‐ylmethyl)aniline (CPYA) was synthesized by a simple and inexpensive method and tested as a corrosion inhibitor in acid medium for mild steel by using gravimetric studies and electrochemical measurements. An average maximum efficiency of 96.0% was achieved at 4.59 mmol/L. Corrosion kinetic and thermodynamic parameters were also analyzed. Surface analyses (atomic force microscopy and scanning electron microscopy) show that protection is enabled by adsorption on the metal, forming a film. Quantum chemical calculations were performed to access information regarding the molecular structure in the corrosive medium and to support interpretation of the results obtained by experimental methods.

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“…Electrochemical measurements were performed in 3.5 wt% NaCl solution by potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS). 30 Potentiodynamic polarisation tests were conducted from ±300 mV vs. steady open circuit potential at a rate of 1 mV s −1 and 25 °C. The EIS was measured within the 10 −2 to 10 5 Hz frequency range with applied 10 mV sinusoidal perturbations.…”

Section: Methodsmentioning

confidence: 99%

Synthesis of 4-substituted catechols with side-chains of different CC bond number as urushiol analogues and their anticorrosion performance

Wei

Quan

et al. 2021

RSC Adv.

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Branched chain versus straight chain fluorinated surfactant: A comparative study of their anticorrosion performance on carbon steel

Cited by 27 publications

References 37 publications

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I⁻ ions: Experimental and theoretical studies

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I⁻ ions: Experimental and theoretical studies

Theoretical and experimental studies of a new aniline derivative corrosion inhibitor for mild steel in acid medium

Synthesis of 4-substituted catechols with side-chains of different CC bond number as urushiol analogues and their anticorrosion performance

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Branched chain versus straight chain fluorinated surfactant: A comparative study of their anticorrosion performance on carbon steel

Cited by 27 publications

References 37 publications

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I− ions: Experimental and theoretical studies

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I− ions: Experimental and theoretical studies

Theoretical and experimental studies of a new aniline derivative corrosion inhibitor for mild steel in acid medium

Synthesis of 4-substituted catechols with side-chains of different CC bond number as urushiol analogues and their anticorrosion performance

Contact Info

Product

Resources

About

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I⁻ ions: Experimental and theoretical studies

Corrosion inhibition of amino acids for 316L stainless steel and synergistic effect of I⁻ ions: Experimental and theoretical studies