Fig. 35. SEM micrographs of PLA/OBC/EMA-GMA 90/7/3 blends with various annealing time: (a) 0 h, (b) 0.25 h, (c) 0.5 h, (d) 5 h, (e) 24 h and the number average particle size as a function of annealing time. Ref. 165, copyright 2014. Reproduced with permission from Elsevier.