After hydrolysis, the suspension was centrifuged and diluted several times, until pH neutral. The CNCs were
solvent exchanged from deionised water (dH2O) into dioxane through acetone (3 times per solvent exchange, with centrifugation and homogenization steps in between) and a sample taken in order to ascertain their wet:dry ratio for the production of PLA/CNC composite feedstock, described below.