Study on the Morphologies and Formational Mechanism of Poly(hydroxybutyrate-co-hydroxyvalerate) Ultrafine Fibers by Dry-Jet-Wet-Electrospinning

Figure 4

Beaded fibers prepared by DJWE of 4 wt% PHBV solution with collection distance of 4 cm (a) and 6 cm (b).

(a)

(b)