Fabricating an epoxy composite coating with enhanced corrosion resistance through impregnation of functionalized graphene oxide-co-montmorillonite Nanoplatelet

This study aims at developing an epoxy-based nanocomposite coating with enhanced corrosion protection properties employing different mixtures of graphene oxide (GO) and Cloisite 20A montmorillonite (MMT) nanoclay (NC) particles functionalized with aminosilane and 1,4-butanediol diglycidyl ether (BDDE) molecules. The effects of modified NC (MNC), modified GO (MGO) and various mixtures of MNC-MGO on the corrosion resistance of epoxy coating were studied. Results revealed the enhancement of surface modified GO and NC particles stability in the epoxy matrix. It was also revealed that the mixture of MNC-MGO (30:70%w/%w) resulted in the highest improvement of the epoxy coating corrosion resistance.