Synthesis of calixarene derivatives and their anticorrosive effect on steel in 1M HCl

• Published in: Pigment & resin technology Vol. 36; no. 6; pp. 373 - 381
• Main Authors: Benabdellah, M, Souane, R, Cheriaa, N, Abidi, R, Hammouti, B, Vicens, J
• Format: Journal Article
• Language: English
• Published: Bradford Emerald Group Publishing Limited 13-11-2007
• Subjects: Acids; Cathodic corrosion; Corrosion; Corrosion potential; Corrosion tests; Efficiency; Electrodes; Nitrogen; Steel; United Kingdom > UK; England; Corrosion; Acids; Steel
• ISSN: 0369-9420; 1758-6941
• DOI: 10.1108/03699420710831791

Purpose - To evaluate the effect of synthesised calixarenes as new inhibitors on the corrosion of steel in HCl media at various temperatures.Design methodology approach - Calixarenes have been synthesised and tested as corrosion inhibitors. Gravimetric technique and potentiodynamic polarisation and impedance spectroscopy methods were used.Findings - Calixarenes exhibited a good inhibition. Their efficiency decreases slightly with temperature.Research limitations implications - It was found that the inhibition efficiency increases with the concentration of inhibitors to reach 92 per cent at 10−4M.Practical implications - The efficiency of calixarene derivatives increases with the concentration and falls slowly with temperature to attain 84 per cent at 353 K range. Calixarenes can be used in chemical cleaning and pickling processes.Originality value - The originality of this work is to find an inhibitor to give protection close to 100 per cent.