fig2

Figure 2. (A) Schematic of melt-blown spinning. (B) SEM of PPS melt-blown fiber membrane. (C) Photograph of PPS melt[39]. (D) Schematic of melt electrostatic spinning. (E) SEM of PPS melt electrostatic spinning fiber membrane[47]. (F) Photograph of PPS melt electrostatic spinning fiber membrane[48].