analysis on the selection of synthetic raw materials for 4,4′-diaminodiphenylmethane and its impact on product quality
selecting synthetic raw materials for 4,4′-diaminodimethane and its impact on product quality introduction 4,4′-diaminodimethane (mda) is an important organic intermediate and is widely used in polyurethane, epoxy resin, dyes and medicine fields. due to its excellent chemical properties and widespread industrial applications, the synthesis process of mda has attracted much attention. this article will explore…

