Environmentally benign corrosion inhibitors based on cellulose niacin nano-composite for corrosion of copper in sodium chloride solutions.

International Journal of Biological Macromolecules
Mohamed S Hasanin, Sherief A Al Kiey

Abstract

There is a high demand for high performance, effective and eco-friendly corrosion inhibitors for industrial applications. Therefore, novel benign high performance corrosion inhibitors based on biopolymer were synthesized in-situ using different cellulosic materials and niacin. Characterization of the cellulose nano-composite was carried out by Fourier transform infrared (FTIR), thermal gravimetric analysis (TGA), dynamic light scattering (DLS), scanning electron microscopy (SEM) and energy dispersive X-ray (EDX). The anticorrosive performance of cellulose composites for copper in 3.5% NaCl solutions were evaluated using polarization and electrochemical impedance spectroscopy (EIS) techniques. Surface morphology of uninhibited and inhibited composites was studied using SEM and EDX. Potentiodynamic polarization measurements confirmed that cellulose based inhibitors act as a mixed type inhibitor. The inhibition efficiency of ethyl cellulose-niacin composite (NEC) was 94.7% outperforms those of microcrystalline cellulose-niacin composite (NMCC) and carboxymethyl cellulose-niacin composite (NCMC) which were 33.2 and 83.4%, respectively, as green corrosion inhibitors for Copper in 3.5% NaCl solutions. The data extracted from EIS were...Continue Reading

Citations

Nov 18, 2020·International Journal of Biological Macromolecules·A M YoussefG M Turky
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Mohamed S HasaninMathias O Senge
Sep 10, 2021·Biotechnology Journal·Mohamed S HasaninSamir Kamel

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