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Nanofibers with Other Morphologies

In addition to the different nanofibers discussed previously, nanofibers with other morphologies, such as porous core-sheath, porous hollow, ribbon-like, branched, hehcal stmctures, also have been developed. [Pg.104]

Electrospun nanofibers usually exhibit a solid interior. However, electrospun nanofibers with other morphologies also exist. [Pg.101]

The temperature of the solution has both the effect of increasing its evaporation rate and reducing the viscosity of the polymer solution, thus enabling the polymer solution which was spinnable under room temperature to be electrospun easily. For example, the hyaluronic acid is a natural polyelectrolyte that is hard to be electrospun under room temperature [27]. Li et al. [83] used the high electrospinning temperature that was higher than the gel temperature of hyaluronic acid (40 °C) and thus successfully fabricated hyaluronic acid composite nanofibers with uniform morphology. Similar method was also suitable for the fabrication of other natural... [Pg.17]

Other physical properties, such as air permeability, interfiber pore size and porosity, were also studied. Activated carbon nanofibers were produced from eleetrospun PAN by chemical activation with potassium hydroxide (KOH) as the activating agent. They were characterized by morphology, Fourier transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller... [Pg.121]

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Other Morphologies

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