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Synergistic Effect and Characterization of Graphene/Carbon Nanotubes/Polyvinyl Alcohol/Sodium Alginate Nanofibrous Membranes Formed Using Continuous Needleless Dynamic Linear Electrospinning

1,2,3, 1,2, 1,2, 1, 1, 3,4,*, 1, 3,4,5,6,7 and 1,2,3,7,8,9,10,*
1
Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, China
2
Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin Polytechnic University, Tianjin 300387, China
3
Fujian Key Laboratory of Novel Functional Fibers and Materials, Minjiang University, Fuzhou 350108, China
4
Department of Chemical Engineering and Materials, Ocean College, Minjiang University, Fuzhou 350108, China
5
Department of Bioinformatics and Medical Engineering, Asia University, Taichung 41354, Taiwan
6
Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
7
College of Textile and Clothing, Qingdao University, Shandong 266071, China
8
Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung 40724, Taiwan
9
School of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
10
Department of Fashion Design, Asia University, Taichung 41354, Taiwan
*
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(5), 714; https://doi.org/10.3390/nano9050714
Received: 31 March 2019 / Revised: 27 April 2019 / Accepted: 4 May 2019 / Published: 8 May 2019
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Abstract

In this study, a self-made continuous needleless dynamic linear electrospinning technique is employed to fabricate large-scale graphene (Gr)/carbon nanotubes (CNT)/polyvinyl alcohol (PVA)/sodium alginate (SA) nanofibrous membranes. The synergistic effect of Gr and CNT fillers in the PVA/SA membrane is explored in depth by changing the volume ratio (v/v) of Gr and CNT as 10:0, 8:2, 6:4, 4:6, 2:8, and 0:10. Microstructure, functional group, conductivity, and hydrophilicity of PVA/SA/Gr/CNT membranes was characterized. Results show that the linear electrode needleless electrospinning technique can be spun into 200-nm diameter fibers. The PVA/SA/Gr/CNT fibrous membrane has good hydrophilicity and thermal stability. A Gr/CN ratio of 6:4 possessed the optimal synergistic effect, which showed the lowest surface resistivity of 2.53 × 103 Ω/m2. This study will provide a reference for the large-scale preparation of nanofibrous membrane used as a artificial nerve conduit in the future. View Full-Text
Keywords: needleless electrospinning; synergistic effect; graphene (Gr); carbon nanotubes (CNT); sodium alginate (SA); PVA needleless electrospinning; synergistic effect; graphene (Gr); carbon nanotubes (CNT); sodium alginate (SA); PVA
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Li, T.-T.; Zhong, Y.; Yan, M.; Zhou, W.; Xu, W.; Huang, S.-Y.; Sun, F.; Lou, C.-W.; Lin, J.-H. Synergistic Effect and Characterization of Graphene/Carbon Nanotubes/Polyvinyl Alcohol/Sodium Alginate Nanofibrous Membranes Formed Using Continuous Needleless Dynamic Linear Electrospinning. Nanomaterials 2019, 9, 714.

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