enhancing epoxy coating adhesion to metal substrates using 2-isopropylimidazole abstract: this article explores the efficacy of 2-isopropylimidazole (2-ipi) as an adhesion promoter in epoxy coatings applied to metal substrates. the study delves into the mechanisms by which 2-ipi influences interfacial interactions, modifying both the epoxy resin network and the metal surface. characterization techniques including pull-off...