Synthesis of bisphenol A diglycidyl ether The most common epoxy resins are according to reacting epichlorohydrin (ECH) with bisphenol A,  causing a unique chemical compound known as bisphenol A diglycidyl ether (typically known as BADGE or DGEBA).Consequently common nucleophilic hardeners such as amines are hardly suitable for crosslinking. Cycloa