The Role of 2-Phenylimidazole in Enhancing Electrical Insulation Properties of Epoxy Resins Abstract: Epoxy resins are widely utilized as electrical insulation materials due to their excellent mechanical strength, chemical resistance, and adhesive properties. However, their inherent electrical properties can be further enhanced to meet the stringent requirements of modern electrical and electronic applications. 2-Phenylimidazole (2-PI)...