Chemistry and potential applications of multifunctional polymer nanocomposite coatings: A review

• Polymer nanocomposite coatings (PNCCs) offer multifunctional properties including corrosion protection, mechanical resistance, antimicrobial activity, chemical durability, electrical insulation, and UV aging resistance, making them highly valuable across industries. • The review systematically covers the chemistry and applications of major PNCC systems, particularly epoxy and polyurethane, highlighting the role of inorganic nanofillers such as ZnO, TiO2, CNTs, graphene, and others. • The author's own contributions to developing innovative functional polymer nanocomposites are presented, emphasizing economic and industrial impacts and future directions. • The paper provides a comprehensive overview of recent advances and applications of PNCCs, serving as a key reference for researchers and engineers in materials science and coating technology.