Title: The Anti-Aging Effect of Polyurethane Composite Antioxidants in Polyurethane Elastomers Abstract Polyurethane (PU) elastomers are widely used in industries ranging from automotive and aerospace to footwear and biomedical applications due to their excellent mechanical properties, flexibility, and durability. However, these materials are prone to degradation under environmental stressors such as heat, oxygen, UV radiation,...