The important role of polyurethane catalyst A-1 in the research and development of aerospace materials

introduction polyurethane (pu) is a high-performance polymer material. because of its excellent mechanical properties, chemical resistance, wear resistance and processability, it has been widely used in the aerospace field. with the continuous development of aerospace technology, the requirements for materials are becoming increasingly high, especially in lightweight, high strength, high temperature resistance and corrosion resistance.…