Polyurethane Composite Antioxidant in Polyurethane Coatings and Adhesives Introduction: The Invisible Hero Behind Long-Lasting Materials 🛡️ In the world of modern materials science, polyurethane (PU) is like a chameleon—adaptable, versatile, and often hidden in plain sight. Found in everything from car seats to shoe soles, PU coatings and adhesives are prized for their durability, flexibility,...