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. 2021 Mar 24;13(7):992. doi: 10.3390/polym13070992

Figure 4.

Figure 4

Correlations obtained between PAN-MA/lignin electrospun nanofibers’ diameter with polymer solution viscosity at 10 s−1 for (A) fibers of different lignin types and blend ratios at a total 10 wt % and (B) fibers at higher polymer content of 12 wt % (AL-3) and 20 wt % (AL-4). [Points with error bars represent nanofiber diameters].