Electric Field Simulation and Effect of Different Solvent Ratios on the Performance of Single Electrospun PVDF/PEI Composite Film

Figure 7

SEM photos of PVDF/PEI composite fiber membrane prepared by electrospinning with the different solvent mass ratio of m(DMF)/m(THF). (a) m(DMF)/m(THF): 9/1; (b) m(DMF)/m(THF): 8/2; (c) m(DMF)/m(THF): 7/3; (d) m(DMF)/m(THF): 6/4; (e) m(DMF)/m(THF): 5/5.

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(b)

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(e)