Simultaneous improvement of mechanical properties and thermal stability of bacterial polyester by cellulose nanocrystals

► Achieving the homogenous dispersion of CNCs in the PHBV matrix through solvent exchange procedure. ► Observing a significant enhancement on the mechanical property and thermal stability of PHBV/CNC nanocomposites. ► Studying the underlying mechanism of simultaneous enhancement on the physical properties of PHBV. ► Optimizing the processing conditions of completely renewable polymeric nanocomposites and their final properties.