Chitosan-Based Self-Adaptive Crosslinker-Driven Functional Integration of Polyurethane Foam: High Strength, Intrinsic Flame Retardancy, and Upcycling.
Semi-rigid polyurethane foam plays an indispensable role in the field of safety protection. However, its widespread use has brought challenges of unsustainability and potential fire hazards. Bio-based foams offer a new path to solve these problems, but the complexity of traditional manufacturing processes and their ins...