N,N,N’,N”,N”-Penmethyldipropylene triamine: a revolutionary application in high-performance polyurethane elastomers Introduction Polyurethane Elastomers (PU Elastomers) are a polymer material with excellent mechanical properties, wear resistance, chemical resistance and elasticity. They are widely used in automobiles, construction, electronics, medical and other fields. In recent years, with the rapid development of materials science, the demand for high-performance polyurethane...