Controlled Morphology of Porous Polyvinyl Butyral Nanofibers

Figure 4

SEM images of PVB nanofibers prepared from 10 wt.% polymer solution from the mixtures: (a) ethanol/methanol (9/1 v/v), (b) ethanol/DMSO (9/1 v/v), (c) THF/DMSO (9/1 v/v).

(a)

(b)

(c)