Figure 4

SEM images of unidirectionally aligned (a) pure TPU and (b) TPU/CNT membranes, and fiber diameter distribution of unidirectionally aligned (c) pure TPU and (d) TPU/CNT membranes.
SEM images of unidirectionally aligned (a) pure TPU and (b) TPU/CNT membranes, and fiber diameter distribution of unidirectionally aligned (c) pure TPU and (d) TPU/CNT membranes.