2.2. PreparationofPLAandPLA/MCCcomposite
A 10wt% solution of PLA pellets in chloroform was pre- pared by stirring the solution inside the water bath at 60◦C for 2h until the pellets were fully dissolved (Maria, Garcia, & Lagaron, 2010). The PLA solution was immediately cast on the clean glass plates and left for the solvent to evap- orate at ambient temperature for 48h. The thickness of the cast solution was approximately 100