Preparation and characterization of (polyurethane/nylon-6) nanofiber/ (silicone) film composites <Emphasis Type="Italic">via</Emphasis> electrospinning and dip-coating |
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| Authors: | Chan-Hee Park Chae-Hwa Kim Leonard D Tijing Do-Hee Lee Mi-Hwa Yu Hem Raj Pant Yonjig Kim Cheol Sang Kim |
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| Institution: | 1.Department of Bionanosystem Engineering,Chonbuk National University,Jeonju,Korea;2.Division of Mechanical Design Engineering,Chonbuk National University,Jeonju,Korea;3.Institute of Engineering,Pulchowk Campus Tribhuvan University,Kathmandu,Nepal |
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| Abstract: | This paper reports on the preparation and characterization of nanofibers and nanofiber/film composites fabricated by electrospinning
and dip-coating. The polymers in this study consist of polyurethane, nylon-6, and silicone. Scanning electron microscopy (SEM),
fiber distribution, X-ray diffraction (XRD) analysis, Fourier transform infrared spectroscopy (FTIR) and tensile tests were
conducted. The electrospun nylon-6 nanofiber/dip-coated silicone film (dried for 5 min) showed the optimum tensile strength
and strain results, showing an increase in tensile strength of 63 % compared to pure nylon-6 nanofiber alone. XRD and FTIR
verified the presence of individual polymers in the composite matrix. The electrospun PU nanofiber produced the biggest fiber
diameter, while electrospun nylon-6, and PU/nylon-6 produced uniform fiber diameters, with PU/nylon-6 obtaining very random
and curved fiber morphology. |
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