Abstract:Self‐healing coatings offer tremendous application prospects in the field of preventing metal corrosion because of their superior functionality. The coordination of barrier performance and self‐healing ability, however, continues to be difficult. Herein, a polymer coating based on polyethyleneimine (PEI) and polyacrylic acid (PAA) with self‐repairing and barrier ability was designed. Introducing the catechol group into the anti‐corrosion coating increases the adhesion and self‐healing efficiency of the coating… Show more
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