Studies of Interfacial Interaction between Polymer Components on Helical Nanofiber Formation via Co-Electrospinning
AbstractHelical fibers in nanoscale have been of increasing interest due to their unique characteristics. To explore the effect of polymer type on helical fiber formation, three polymer systems, Poly(m-phenylene isophthalamide) (Nomex)/polyurethane (TPU), polystyrene (PS)/TPU and polyacrylonitril (PAN)/TPU are used to fabricate helical nanofibers via co-electrospinning. Differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR) and Zeta potential were employed to investigate the interfacial interaction between the two phases of the polymer system. The larger rigidity differential of Nomex and TPU leads to a larger interfacial interaction. The hydrogen bonds help to increase the interfacial interaction between Nomex and TPU components. The attractive force between the chloride-ions contained in Nomex molecules and the free charges on the solution surface lead to a longitudinal interfacial interaction in the Nomex/TPU system. The analysis results provide the explanation of the experimental results that the Nomex/TPU system has the greatest potential for producing helical nanofibers, while the PS/TPU and PAN/TPU systems cannot fabricate helical fibers effectively. This study based on the interfacial interaction between polymer components provides an insight into the mechanism of helical fiber formation. View Full-Text
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Wu, H.; Zhao, S.; Ding, W.; Han, L. Studies of Interfacial Interaction between Polymer Components on Helical Nanofiber Formation via Co-Electrospinning. Polymers 2018, 10, 119.
Wu H, Zhao S, Ding W, Han L. Studies of Interfacial Interaction between Polymer Components on Helical Nanofiber Formation via Co-Electrospinning. Polymers. 2018; 10(2):119.Chicago/Turabian Style
Wu, Huihui; Zhao, Shihang; Ding, Wenhua; Han, Lei. 2018. "Studies of Interfacial Interaction between Polymer Components on Helical Nanofiber Formation via Co-Electrospinning." Polymers 10, no. 2: 119.
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