Polyurethane TPE Anti-Yellowing Agent: Storage Stability and Resin Compatibility Introduction In the world of polymer materials, polyurethane thermoplastic elastomers (TPE) have become indispensable due to their versatility, elasticity, and mechanical strength. However, one persistent challenge in the application of these materials is yellowing—a discoloration that often signals degradation under heat, light, or oxygen exposure. To...