Anti-corrosion reinforcement of water-borne polyurethane coating
Researchers describe the anti-corrosion reinforcement of a water-borne polyurethane coating with polymerised graphene oxide.
The research and preparation of excellent anti-corrosion coatings is still a difficult task and critical to practical applications. In a new paper, phosphoric acid, dodecylbenzenesulfonic acid (DBSA), and polyaniline (PANI) were polymerised in-situ onto graphene oxide (GO) by the one-pot method to prepare dodecylbenzenesulfonic acid-PANI/phosphorylated graphene oxide (DPPGO).
The results of TEM, FTIR, Raman spectrum, XRD, TGA, and XPS analysis showed that the DPPGO was successfully prepared. The SEM observations showed that DPPGO has best dispersibility and compatibility than GO and PANI/phosphorylated graphene oxide (PPGO) in water-borne polyurethane (WPU) matrix. To achieve anti-corrosion performance, a new type of graphene-based polymer nanocomposites water-based coating was developed and tested by electrochemical measurements.
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2026-09-08
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