investigating the solubility of 2-propylimidazole in common epoxy resin types abstract: this study investigates the solubility of 2-propylimidazole (2-pi), a widely used latent curing agent, in various common epoxy resin types. understanding the solubility characteristics of 2-pi in different epoxy resins is crucial for optimizing the formulation of epoxy-based adhesive and composite materials. the miscibility...