Synergistic Co-catalysis of Polyurethane Amine Catalysts in CASE Applications: A Comprehensive Review Abstract: Polyurethane (PU) coatings, adhesives, sealants, and elastomers (CASE) are widely used materials due to their versatility and excellent performance characteristics. Amine catalysts play a crucial role in the polyurethane reaction, influencing curing speed, crosslinking density, and ultimately, the final properties of the...