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In recent years, based on the urgent need in the field of cultural heritage conservation, the research and development of coatings have attracted much attention. FEVE (trifluorovinyl chloride and vinyl ether copolymer) is one of the reinforcing materials in the protective coatings of color paint. However, it has problems such as compactness, low tensile strength, and poor resistance to aging. Therefore, modified graphene was introduced and combined with FEVE coatings (FEVE/m-GO) to optimize their adhesion, compactness, resistance to corrosion, and performance at shielding the paintings from ultraviolet light. The structural features of the hybrid films were characterized by UV–Vis spectroscopy, transmission electron microscopy, infrared spectroscopy, etc. In addition, the water absorption, mechanical properties, color difference test, and aging resistance of the FEVE/m-GO and simulated samples were investigated. The results showed that the hybrid film with 0.04% m-GO incorporation as an effective consolidant exhibited outstanding comprehensive performance. This composite material was used in the protection and consolidation of the Sanyou Xuan ancient architectural color painting in the Palace Museum, which opened up a new way of thinking about the long-term conservation of color paintings.

Modified Graphene-FEVE Composite Coatings: Application in the Repair of Ancient Architectural Color Paintings