To prepare the PLA/MCC composites, 10 wt% solution of PLA was
mixed with different amounts of MCC (1, 3 and 5 wt%) and the
mixture was kept at 60 ◦C with strong agitation until the PLA pellets
were fully dissolved. The suspension was then sonicated for
5 min and was immediately cast on a clean glass plate to generate
composite thickness of
∼100 m after removal of the solvent.
The composites were designated as PLA/MCC1, PLA/MCC3 and
PLA/MCC5