Chitosan based new nanocomposites for corrosion protection of mild steel in aggressive chloride media

Thin-Film Coating of the Hydrophobic Lotus Leaf on Copper by the Floating Film Transfer Method and Investigation on the Corrosion Behavior of Coated Copper in Saline Water

“…The minimum I corr was noticed for 3L LLCE-coated Cu and the maximum I corr was observed for pristine Cu among the studied samples (Table ). This revealed that the LLCE coating effectively stopped the corrosion of Cu in 0.5 M NaCl. − The maximum level of prevention offered by the 3L LLCE coating was 97%, which was quite effective. Thus, it was declared, based on OCP and TP curve results, that the LLCE coating was efficiently suppressing Cu corrosion in 0.5 M NaCl.…”

Recent developments in sustainable corrosion inhibitors: design, performance and industrial scale applications

“…SEM and EDX studies were undertaken to demonstrate the adsorption nature of corrosion protection. [156][157][158], chitosan-hydroxyapatite [159][160][161][162][163], chitosan-polyamines [135], chitosan-drug [164], chitosan-polymer [142,146,165,166], chitosan-boron nitrile [167], chitosan-nanocomposites [168][169][170], carboxymethyl chitosan grafted poly(2-methyl-1-vinylimidazole) [171,172], sulfonated chitosan [173,174], chitosanpolymer blends [142,175], etc. chitosan based compounds are widely used as anticorrosive materials.…”

Anticorrosion allyl sulfonate graft chitosan/graphene oxide nanocomposite material

“…These electron exchanges originate from metal-inhibitor type reactions leading to the electron pairs interactions between on the chitosanic moiety and vacant 3d-orbitals of the metallic steel substrate. 10- 13 Here, the chemical structure of the nanocomposite comes into play. The graft chitosanic copolymer comprises of long polymeric chains bound lone pair electrons that can act as metalsurface bonding sites for strong coordination bond formation.…”

“…hydrophobicity) that are not in normal polymers. The protective performance of several chitosanic nanocomposites systems incorporated with the following nanoparticles have been reported: Co/SnS 2 , 13 Ag, 14, 15 , graphene oxide (GO), 16 ZnO/GO nano-hybrids, 17 and Fe 3 O 4 18 , to mention but a few. In the present study, allyl sulfonate graft chitosan/graphene oxide nanocomposite (CH(S)-GO) was used as a corrosion inhibitor for pipeline steel corrosion in CO 2 saturated NaCl medium at 60 o C. This novel CH(S)-GO nanocomposite was synthesized by grafting allyl sulfonate graft chitosan (CH(S)) onto graphene oxide nanosheets.…”