4-Dimethylaminopyridine (DMAP): Catalyst Star in the Polyurethane Industry In the vast starry sky of the polyurethane industry, 4-dimethylaminopyridine (DMAP) is undoubtedly one of the dazzling stars. It is like a skilled conductor, freely acting on the stage of chemical reactions, accurately guiding the perfect encounter between various molecules. As an important tertiary amine catalyst, DMAP...