news The key role of DMDEE dimorpholine diethyl ether in the production of polyurethane hard foam: improving reaction speed and foam quality The key role of DMDEE dimorpholine diethyl ether in the production of polyurethane hard foam: improv... 03/0658The key role of DMDEE dimorpholine diethyl ether in the production of polyurethane hard foam: improving reaction speed and foam quality