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A ductile and strong bioplastic film based on biodegradable polyurethane nanoparticle-crosslinked chitosan
Summary
Researchers fabricated chitosan bioplastic films crosslinked with biodegradable polyurethane nanoparticles, achieving an elastic node-grid microstructure that simultaneously improved both tensile strength and ductility—properties that typically trade off—making the films viable candidates for flexible packaging applications.
This study presents a facile strategy for fabricating chitosan/polyurethane nanoparticle (PU NP) bioplastic films that simultaneously enhance both ductility and strength due to their unique elastic node-grid structure.