Research Progress of Tung Oil/UV Photocomposite Curing Material

Tung oil (TO)/ultraviolet (UV) photo-composite curing material possesses the characteristics of low curing tem-perature, low material shrinkage and low environmental pollution. Accordingly, this material must be developed and utilized with the conjugated double bonds contained in the long chain of the main structure (alpha-tung acid) molecules in the refined TO. The aforementioned material can be chemically modified using a variety of chemical methods to develop a new TO-based UV photocurable material due to its unique chemical properties. This work reviews the research progress of TO/UV photo-composite curing materials in recent years. Firstly, the chemical structure and application of TO and UV Photocatalysis Technology were briefly introduced. Secondly, the research status of novel TO/UV photo-composite curing materials developed by the Diels-Alder reaction was dis-cussed. The method and curing effect of the UV curing system constructed by other chemically modified TO were also discussed. Thereafter, the application of TO in industrial production is introduced from four directions: the application of TO in biodiesel, the application in synthetic resin, the application in self-healing coating and micro -capsules and other applications. Finally, the research and application prospects of TO/UV photo-composite cur-ing materials were presented.