scholarly journals Study on the Corrosion Inhibition Performance of a Schiff Base for Carbon Steel in 1 M HCl Solution

2021 ◽  
pp. ArticleID:210916
Author(s):  
Xiumei Wang ◽  
Keyword(s):  
Schiff Base ◽  
Carbon Steel ◽  
Corrosion Inhibition ◽  
Inhibition Performance ◽  
Hcl Solution

Synthesis of 2-aminofluorene bis-Schiff base and corrosion inhibition performance for carbon steel in HCl

2019 ◽  
Vol 277 ◽  
pp. 330-340 ◽  
Author(s):  
Chuxin Liang ◽  
Zheng Liu ◽  
Qiuqun Liang ◽  
Guo-Cheng Han ◽  
Jiaxing Han ◽  
...  
Keyword(s):  
Schiff Base ◽  
Carbon Steel ◽  
Corrosion Inhibition ◽  
Inhibition Performance

Corrosion inhibition performance of newly synthesized 5-alkoxymethyl-8-hydroxyquinoline derivatives for carbon steel in 1 M HCl solution: experimental, DFT and Monte Carlo simulation studies

2018 ◽  
Vol 20 (30) ◽  
pp. 20167-20187 ◽  
Author(s):  
M. El Faydy ◽  
R. Touir ◽  
M. Ebn Touhami ◽  
A. Zarrouk ◽  
C. Jama ◽  
...  
Keyword(s):  
Monte Carlo Simulation ◽  
Monte Carlo ◽  
Carbon Steel ◽  
Organic Compounds ◽  
Corrosion Inhibition ◽  
Spectroscopic Methods ◽  
Simulation Studies ◽  
Inhibition Performance ◽  
Hcl Solution ◽  
C Nmr

Three new organic compounds primarily based on 8-hydroxyquinoline have been successfully synthesized and characterized via different spectroscopic methods (FTIR, 1H, and 13C NMR).

scholarly journals Multidimensional Study On The Corrosion Inhibition of Polypyrrole-Chitosan (PPy-CTS) Composites For Carbon Steel In Acid Medium

2021 ◽  
Author(s):  
Baiyi Chen ◽  
Guohe Xu ◽  
Luyao Wang ◽  
Chen Zhang ◽  
Congcong Li ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Corrosion Inhibitor ◽  
Corrosion Inhibition ◽  
In Situ Polymerization ◽  
Economic Losses ◽  
Inhibition Mechanism ◽  
Physical Barrier ◽  
Anodic Protection ◽  
Inhibition Performance ◽  
Hcl Solution

Abstract The acidic corrosion of carbon steel is a great concern, which has caused serious economic losses on a global scale. Therefore, the exploitation of corrosion inhibition strategy for carbon steel and an in-depth study on its mechanism are of vital importance. Here we have developed a mixed type corrosion inhibitor of PPy-CTS, which incorporated the good solubility and adsorption capacity of chitosan (CTS) into the excellent corrosion inhibition performance of polypyrrole (PPy) by in-situ polymerization of pyrrole on CTS. The corrosion inhibition performance of PPy-CTS composites as a potential corrosion inhibitor for Q235 carbon steel in 1 M HCl solution was investigated by electrochemical (potentiodynamic polarization curve and AC impedance spectroscopy) and surface morphological (scanning electron microscopy and water droplet contact angle) characterization. The results revealed that PPy-CTS with the optimal concentration of 250 ppm achieved the highest corrosion inhibition efficiency of 91.1%. Subsequently, the corrosion inhibition mechanism was furtherly studied. Gibbs free energy obtained from the Langmuir isotherm model suggested that the absorption of PPy-CTS corrosion inhibitor on Q235 steel in 1 M HCl solution belonged to a combined type of physisorption and chemisorption, which resulted in the formation of a physical barrier preventing the carbon steel from corrosion. In addition, the conductive polymer PPy of corrosion inhibitor possessed an oxide-film anodic protection for carbon steel. Ultimately, PPy-CTS effectively suppressed the corrosion reaction of carbon steel in harsh acidic environment through the synergistic effect of physical barrier and anodic protection.

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