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Preparation and characterization of polyvinylidene fluoride nanofibrous membranes by Forcespinning™
- Source :
- Polymer Engineering and Science. October 1, 2012, Vol. 52 Issue 10, p2260, 6 p.
- Publication Year :
- 2012
-
Abstract
- Nanofibers of polyvinylidene fluoride (PVDF) were prepared using solutions of PVDF with acetone and dimethylacetamide. The solutions were prepared at different concentrations (18, 21.5, and 25% wt) of PVDF. The nanofiber membranes were produced by using the Forcespinning™ method. Parameters such as the orifice size and spinneret angular velocity were varied. The produced membranes were characterized using scanning electron microscopy, differential scanning calorimetry, and X-ray diffraction to determine the effect of varying parameters in the Forcespinning™ process on fiber diameter, bead formation, thermal stability, polymorphism, and morphology of the fibers and overall structure of the membrane. It was observed that polymer concentration played a key role in fiber and bead formation; at higher concentrations (such as 25 wt%), the fiber diameter increased but the bead formation decreased. The prepared composite membranes have potential applications on separators for Li-ion batteries, ultra filtration membranes, and proton conductivity membranes for fuel cells applications. POLYM. ENG. SCI., 52:2260-2265, 2012. © 2012 Society of Plastics Engineers<br />INTRODUCTION There is significant interest in developing nanofiber membranes due to unique properties that could be obtained with small diameter fibers, such as high surface area to volume ratio and [...]
Details
- Language :
- English
- ISSN :
- 00323888
- Volume :
- 52
- Issue :
- 10
- Database :
- Gale General OneFile
- Journal :
- Polymer Engineering and Science
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.304861899
- Full Text :
- https://doi.org/10.1002/pen.23169