Fig. 14. SEM image for pristine PU (A) and PU/HAp electrospun nanofiber mats containing: 3 wt% (B), 5 wt% (C) and 7 wt% (D) HAp with respect to polymer solution.
Fig. 14. SEM image for pristine PU (A) and PU/HAp electrospun nanofiber mats containing: 3 wt% (B), 5 wt% (C) and 7 wt% (D) HAp with respect to polymer solution.