Figure 3
From: Ultraviolet aging study on bitumen modified by a composite of clay and fumed silica nanoparticles

FESEM image of CS-NPs: (a) size of clay nanolayers; and (b) size of fumed silica nanoparticles.
From: Ultraviolet aging study on bitumen modified by a composite of clay and fumed silica nanoparticles

FESEM image of CS-NPs: (a) size of clay nanolayers; and (b) size of fumed silica nanoparticles.