Triacetonediamine is primarily used as a curing agent in epoxy resins, enhancing their mechanical properties and chemical resistance. It is also employed in the production of coatings, adhesives, and composites, where it improves durability and performance. Additionally, it serves as a crosslinking agent in polymer chemistry, contributing to the stability and strength of various materials. Its application extends to the synthesis of pharmaceuticals and agrochemicals, where it acts as an intermediate in the production of active ingredients. Furthermore, it is utilized in the formulation of corrosion inhibitors, providing protection for metal surfaces in industrial settings.