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Applied voltage electrospun structure

Nanofibres have been successfully electrospun from SMPU solutions by different people. The structures had ultrafine diameters in a range of 50 nm to 2 xm. Uniform nanofibres can be prepared by adjusting applied voltage, concentration and feeding rate. In particular, the concentration plays a key role in controlling its diameters. The cycUc tensile test proves that the resulting nanofibres have good SME 98% shape recovery and 80% shape fixity can be obtained after several cycles. ... [Pg.447]

Figure 15.2. SEM micrographs showing the effect of molecular weight on the micro structures of electrospun nanofibers from (a) 5%, (b) 6% PEO (Mw, 3x10 g/mol) aqueous solution (c) 5%, (d) 6% PEO (Mw, 9 X 10 g/mol) aqueous solution at 15 cm and applied voltage of 10 kV (0.6 kV/cm). All other parameters were kept constant. Figure 15.2. SEM micrographs showing the effect of molecular weight on the micro structures of electrospun nanofibers from (a) 5%, (b) 6% PEO (Mw, 3x10 g/mol) aqueous solution (c) 5%, (d) 6% PEO (Mw, 9 X 10 g/mol) aqueous solution at 15 cm and applied voltage of 10 kV (0.6 kV/cm). All other parameters were kept constant.
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See also in sourсe #XX -- [ Pg.69 ]



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