1,8-Diazabicycloundeene (DBU): an ideal multi-purpose polyurethane catalyst Preface In the vast ocean of the chemical industry, there is a compound that stands out for its excellent catalytic properties and wide applicability. It is 1,8-diazabicyclo[5.4.0]undec-7-ene), referred to as DBU. DBU is not only an efficient alkaline catalyst, but also a popular celebrity material in the polyurethane...