Rheological Behavior of Polylactic Acid Solution and Physical Properties of Resulting Film Using Cellulose Nanocrystals

Polylactic acid (PLA), a polymer synthesized from biomass, is biodegradable and sustainable. PLA has limited applications, owing to its poor mechanical properties. In this study, cellulose nanocrystals (CNCs) were introduced into a PLA solution to improve the mechanical properties of the composite film without sacrificing biodegradability. The dispersion of CNCs was investigated based on the rheological behavior of the solution. The uniform dispersion of CNCs decreased the solution viscosity and enhanced the mechanical performance of the resulting film. When the CNC content was 2 wt%, the thermal decomposition onset temperature of the film improved.

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Rheological Behavior of Polylactic Acid Solution and Physical Properties of Resulting Film Using Cellulose Nanocrystals

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