The Compatibilization Effects of Alkylated-grafted-Graphene Oxide on Polypropylene/Polystyrene Blends

Figure 6

FESEM images showing the phase morphologies of 0.2 wt% aGO in representative composites. [(a) and (a′)] aGO/PP/PS; [(b) and (b′)] (PS/aGO)/PP; [(c) and (c′)] (PP/aGO)/PS (the region pointed by arrows is the “transition zone”).