fig2

Figure 2. (A) SEM images of different size sandpapers, including 400#, 500#, 1000# and 2000#; (B) corresponding size of microstructural distribution of different sandpapers; (C) sample of CNF/SBS films fabricated with 400#, 500#, 1000# and 2000# sandpapers as templates; (D) SEM images of CNFs and CNF/SBS with mass fractions of 3%, 5% and 10%, respectively.