news Patented technical analysis of 4,4′-diaminodiphenylmethane and its innovative application in new materials 4,4'-diaminodimethane: a magical chemical molecule 4,4'-diaminodimethane (MDA, Methylene Dianiline) ... 02/18314'-diaminodiphenylmethane and its innovative application in new materials Patented technical analysis of 4