1. introduction catalysts are chemicals that can change the rate of chemical reactions. catalysts used in polyurethane synthesis can be broadly classi…

in the process of polyurethane foam preparation, the role of catalysts is mainly to regulate the speed of foaming and gelation reactions to make them …

kinetics of the reaction of hydroxyl compounds with isocyanates -d(-nco)/dt=k0×(-nco)×(-oh) k1 is the forward reaction rate for the complex formation …