Effect of Solution Properties on Electrospinning of Polymer Nanofibers: A Study on Fabrication of PVDF Nanofibers by Electrospinning in DMAC and (DMAC/Acetone) Solvents

  • Mostafa Moshfeghian
  • Hossein Azimi
  • Mehrdad Mahkam
  • Mohammadreza Kalaee
  • Saeedeh Mazinani
  • Hossein Mosafer
Keywords: Electrospinning, PVDF, Nanofiber, SEM, Contact angle measurement

Abstract

Fabrication of nano poly (vinylidene fluoride) (PVDF) fibers that have high surface area to volume ratio has been investigated nowadays for its applications in various industries. Among the important advantages of these fibers one can point to the efficiency and economic aspects (e.g fuel cost). One of the important features that has led to the widespread use of PVDF fibers in the industry (especially membrane systems) is the very high degree of hydrophobicity. Therefore, this study used two different solvents to evaluate their effect on the hydrophobic characteristic of PVDF fibers. Nanofibers of PVDF fibers were made by electrospinning in Dimethylacetamide (DMAC)/Acetone (6/4): (w/w) and DMAC solvents.  After determining the solvent effect, the effect of different concentrations were investigated. Hydrophobicity was evaluated by contact angle measurmement and fiber quality and morphology were discussed using Scanning Electron Microscope (SEM) analysis.

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Published
2020-06-20
Section
Articles