polyurethane catalyst dbu: the behind-the-scenes driver of smart home in the vast world of smart home products, there is a seemingly inconspicuous but crucial ingredient – the polyurethane catalyst dbu (1,8-diazabicyclo[5.4.0]undec-7-ene). it is like a magician hidden behind the scenes. although it does not directly contact users, it plays an irreplaceable role in improving product...