Simultaneous Improvement in the Tensile and Impact Strength of Polypropylene Reinforced by Graphene

Figure 8

Scanning electron microscope pictures of nanocomposite material section: (a) graphene 0 wt.%; (b) graphene 0.2 wt.%; (c) graphene 0.4 wt.%; (d) graphene 0 .6 wt.%; (e) graphene 0.8 wt.%; (f) graphene 1 wt.%.

(a)

(b)

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(f)