Developing a Novel WaterbornePolyurethane Nanocomposite Coating withEnhanced Anticorrosion Properties Using a h-BN/GO/NiO Nanocomposite

Herein, a new anticorrosion nanocomposite coating based on the waterborne polyurethane modifiedby aromatic Schiff base bonds was synthesized. The prepared polymer exhibited remarkablemechanical properties, making it an ideal matrix for the preparation of a new nano-compositecoating using hexagonal-boron nitride/graphene oxide/nickel oxide (h-BN/GO/NiO) nanocompositefor anti-corrosion applications. The nano-composite coatings (CSBWPU) wereformulated by introducing varying amounts of h-BN/GO/NiO. The coatings displayed an increasein contact angle and a decrease in water absorption rate. The electrochemical impedancespectroscopy (EIS) results revealed that the ۰.۷۵-CSBWPU, containing ۰.۷۵% nano-composite, hadthe highest corrosion resistance (۱.۵۸×۱۰۱۰ Ω⋅cm۲) after ۹۰ days of immersion in seawater

کلیدواژه ها:

Anticorrosion coating ، Aromatic Schiff base bond ، Waterborne polyurethane