▎ 摘　　要

Polymeric nanocomposite has been developed to inhibit metal and related material rusting. Graphene is an exclusive nanocarbon nanofiller for polymers owing to structural and physical properties. Incidentally, graphene based nanocomposites have been developed for corrosion protection. The matrices used for anti-corrosion graphene nanocomposites include polyurethane, epoxy, polyaniline, poly(methyl methacrylate), and other thermoplastic/conducting polymers. The formation of graphene nanofiller network in matrix support electrical conductivity and anti-corrosion. Fine graphene dispersion and matrix-nanofiller interaction may considerably enhance corrosion resistance performance. The anti-corrosion mechanism of nanocomposite depends on the formation of tortuous diffusion pathways and least penetration of corrosive species to the substrate.