analysis of the contribution of polyurethane catalyst a-1 to enhance durability of rigid foam
introduction polyurethane (pu) is an important polymer material and is widely used in many fields such as construction, automobile, home appliances, and furniture. among them, rigid polyurethane foam (rpuf) has an irreplaceable role in building insulation, refrigeration equipment, pipeline insulation, etc. due to its excellent insulation properties, mechanical strength and durability. however, with the continuous growth of market demand and the increasing technical requirements, how to…

