Importance

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Abstract

A complex of beta-cyclodextrin and graphene (CD-G) and a method of use of the complex in corrosion protection of the metal surfaces exposed to high saline concentrations. Composite laminates comprise CD-G, zinc (optionally magnesium) powder embedded in a resin matrix and adjacent to the metal, followed by polyurethane comprising a polymeric zinc chelator, followed by a hermetic sealant layer and finally by a hydrophobic self-cleaning fouling release layer as a topcoat. Optional managed stress of the laminated layers by temperature swings and mechanical vibration ensures resolution of local strain at the formative stage and not during functioning, producing defects that are healed during deposition of the next layer. More than 99% of the zinc and other toxic ions extracted from the metal and coating are intercepted by the selective chelator layer insulated under the sealer and fouling-release layers.

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First Claim