Bionanocomposites of thermoplastic starch and cellulose nanofibers manufactured using twin-screw extrusion

► Compounding process where bionanocomposites of cellulose nanofibers (CNF) and thermoplastic starch were prepared in one-step. ► We used CNF with high water content. ► Composites mechanical properties were improved with increased CNF content. ► Nanocomposite films were translucent even with high nanofiber contents.