2-ethylimidazole as a curing accelerator in powder epoxy coating formulations: a comprehensive review abstract: this article provides a comprehensive review of the application of 2-ethylimidazole (2-ei) as a curing accelerator in powder epoxy coating formulations. it explores the chemical mechanism of 2-ei-catalyzed epoxy curing, examines the effects of 2-ei concentration on coating properties such as...