Figure 6.
(a) Photograph and SEM images of PI/PTFE–PAI NAs at different sintering temperature as the ratios of PAA/PTFE–PAI@PEO was 5:5 and the content of fibers was 1%: (b,b’) 300 °C; (c,c’) 350 °C; (d,d’) 400 °C; (e,e’) 450 °C.
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