Synthesis and air permeability of electrospun PAN/PVDF nanofibrous membranes
Atike Ince Yardimci1, Mehmet Kayhan2, Aslı Durmus3, Mehmet Aksoy2, Ozgur Tarhan4
1Usak University, Technology Transfer Office, Usak, Turkey 2Usak University, Scientific Analysis, Technological Application and Research Center, Usak, Turkey
3Usak University, Department of Molecular Biology and Genetics, Usak, Turkey
4Usak University, Department of Food Engineering, Usak, Turkey
Polyacrilonitrile/ Polyvinylidene fluoride;
Electrospun nanofibers present well-design membranes for filtration applications. In this study, the synthesis of polyacrylonitrile (PAN)/polyvinylidene fluoride (PVDF) bicomponent nanofibers was reported for air filtration application. Polymer concentration effect on the morphology of PAN/PVDF nanofibers was investigated and 10, 20, 30, and 40 wt% PVDF were examined. PVDF amount influences the morphology, diameter, and thermal stability of the fibers. Morphological results revealed that beadless PAN/PVDF nanofiber was obtained and the diameter of the PAN/PVDF nanofibers decreased with the increasing amount of PVDF. However, at 30 wt% beads formation on the fibers was begun to observe. Optimum conditions to obtain uniform and beadless PAN/PVDF nanofibers were determined as 20 wt% PVDF concentration. The air permeability tests of PAN/PVDF nanofibers containing 20 wt% PVDF indicated that these nanofibrous membranes are appropriate materials for air filtration applications.
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