The Role of 2-Ethyl-4-Methylimidazole in Powder Coating Formulations: A Comprehensive Review Abstract: 2-Ethyl-4-methylimidazole (2E4MI) is a heterocyclic organic compound increasingly utilized as a catalyst and curing agent in powder coating formulations. This article presents a comprehensive review of the properties, applications, and mechanisms of action of 2E4MI in powder coatings, particularly focusing on epoxy-based systems....