Figure 4

Cross-section SEM images of representative mats: (A) as-spun, and impregnated with NBR solution at (B) 3.0 wt% and (C) 7.0 wt% (NyTFA membranes).

Cross-section SEM images of representative mats: (A) as-spun, and impregnated with NBR solution at (B) 3.0 wt% and (C) 7.0 wt% (NyTFA membranes).