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A waterborne graphene-poly(urethane-acrylate) for anticorrosive coatings

Researchers prepared waterborne graphene/polymer nanocomposite by incorporation of cationic graphene (CGR) in anionic poly(urethane-acrylate) (WPUA) prepolymer. The results revealed that the water resistance, tensile strength and anticorrosive properties are significantly increased compared to control sample. Moreover, it was found that the impedance modulus and coating resistance of 0.5% CGR-WPUA are of the same order before and after immersion. Long-term anticorrosive properties of CGR-WPUA were superios and the corrosion protection efficiency of CGR-WPUA increased by 78.2% in comparison to WPUA. Therefore, prepared waterborne graphene/polymer nanocomposite is promising for anticorrosion applications.

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