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Whey protein concentrate (WPC) has been widely studied as a biodegradable bio‐based packaging material in the food industry. In this study, different whey protein films were obtained through physical, chemical, enzymatic, and composite modifications. The molecular structure, micro‐morphology, mechanical properties, barrier properties, and other characteristics of the films were evaluated. The results...
In the paper, a new biodegradable polyurethane (PU, PU-I) was prepared: the prepolymer was synthesized via bulk ring-opening polymerization with poly(ethylene glycol) (Mn=600) (PEG600) as an initiator and l-lactide (l-LA), ɛ-caprolactone (CL) as monomers, and the prepolymer was chain-extended with an isocyanate-terminated urethane triblock (macrodiisocyanate) to prepare the PU. The macrodiisocyanate,...
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