Synthesis of bisphenol A diglycidyl ether The most typical epoxy resins are determined by reacting epichlorohydrin (ECH) with bisphenol A, resulting in a unique chemical substance generally known as bisphenol A diglycidyl ether (usually called BADGE or DGEBA). Epoxy resins are polymeric or semi-polymeric products or an oligomer, and https://aklevelandpolish.com/location/richmond-hill/