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Preparation of Porous Polyacrylonitrile Nanofibers Membrane for the MF Application  

Ahn, Hyeonryun (Department of Biosystems & Science and Engineering, Seoul National University)
Jang, Wongi (Department of Chemical System Engineering, Keimyung University)
Tak, Taemoon (Department of Biosystems & Science and Engineering, Seoul National University)
Byun, Hongsik (Department of Chemical System Engineering, Keimyung University)
Publication Information
Membrane Journal / v.23, no.2, 2013 , pp. 112-118 More about this Journal
Abstract
Polyancrylonitrile nanofiber membrane (PAM) was prepared by using the electrospinning method with a solution of polyacrylonitrile (PAN) in DMF. The pore-diameter of PAMs and the number of PAM's layer were controlled for the microfiltration (MF) application. In addition, in order to improve the water-flux, AN-PEGMA copolymers have been synthesized via free radical polymerization with poly (ethylene glycol) methyl ether methacrylate and azobisisobutylronitrile (AIBN), and then PAN/AN-PEGMA nanofiber membranes (PAM/APM) were prepared by electrospinning with a mixture of PAN (9 wt%) and AN-PEGMA (3 wt%) in DMF (88 wt%). The prepared membranes were investigated with FT-IR and E.D.S. It was confirmed through scanning electron microscope (SEM), porometer, and porosity analysis that the porous membrane with a uniform diameter (400~600 nm) and a uniform pore characteristics (0.5~0.4 ${\mu}m$) was prepared. For the MF application, water-flux measurements were investigated and then the result was shown that the water permeability value of PAM/APMs introduced AN-PEGMA copolymers was relatively higher than that of the PVdF commercial membrane. From these results, PAN nanofiber membranes prepared by electrospinning could be utilized as a MF membrane.
Keywords
microfiltration; PAN; electrospinning; pore-size; fouling;
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Times Cited By KSCI : 1  (Citation Analysis)
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