Morphological optimization of electrospun polyacrylamide/MWCNTs nanocomposite nanofibers using Taguchi’s experimental design |
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Authors: | Navid Amini Mohammadreza Kalaee Saeedeh Mazinani Soheil Pilevar Seyed-Omid Ranaei-Siadat |
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Affiliation: | 1. Department of Polymer Engineering, Islamic Azad University, South Tehran Branch, 17776-13651, Tehran, Iran 2. Amirkabir Nanotechnology Research Institute (ANTRI), Amirkabir University of Technology (Polytechnic of Tehran), 424 Hafez Ave, 15875-4413, Tehran, Iran 3. Nano-Biotechnology Engineering Lab., Department of Biotechnology, Faculty of Energy Engineering and New Technologies, Shahid Beheshti University, GC, Tehran, Iran
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Abstract: | The morphological characteristic of electrospun polyacrylamide/multi-walled carbon nanotube (PAAm/MWCNTs) nanocomposite nanofibers is optimized in this work using Taguchi’s experimental design. The optimization is performed considering the effect of PAAm concentration, MWCNTs content, flow rate, and applied voltage on average nanofibers diameter. The reasonable dispersion of MWCNTs in PAAm solution is first ascertained via optical microscopy method. The experimental data required for the optimization process are then provided by statistical calculations on field-emission scanning electron microscopy images of the samples formulated based on a designed L 9 orthogonal array. PAAm concentration is found to have the most contribution on final fibers morphology according to the results obtained from simultaneous implementation of the analysis of variance and mean effect assessment. Therefore, PAAm concentration, which is in consistence with solution viscosity and surface tension parameter, is found to have the most contribution to forming nanofibers including the finest fiber diameter. On the contrary, the flow rate of solution among the selected parameters shows the least effect on average nanofiber diameter. |
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