Preparation of Dynamic Linear Spinning Polyvinyl Alcohol/Alginate Nanofiber Membranes

被引：0
|
作者：
Xu W. [1 ]
Li T. [1 ,2 ]
Wang J. [1 ]
Yan M. [1 ]
Lin J. [1 ,3 ]
Lou C. [1 ,4 ]
机构：
[1] Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tiangong University, Tianjin
[2] Tianjin and Ministry of Education Key Laboratory of Advanced Textile Composite Materials, Tiangong University, Tianjin
[3] Department of Fiber and Composite Materials, Feng Chia University, Taichung
[4] Department of Bioinformatics and Medical Engineering, Asia University, Taichung
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2020年 / 36卷 / 02期
关键词：
Electrospinning; Fiber morphology; Linear electrode; Spinnability; Structure control;
D O I：
10.16865/j.cnki.1000-7555.2020.0028
中图分类号：
学科分类号：
摘要：
For realizing high production of electro-spun nanofibers, polyvinyl alcohol (PVA)/sodium alginate (SA)(AP) nanofiber membranes were prepared by a self-designed needleless dynamic linear electrode electrospinning machine. The influences of PVA/SA ratio, distance and spinning voltage on the morphology and diameter distribution of fibers were studied by scanning electron microscopy (SEM). The results show the ratio of PVA/SA has the greatest influence on the morphology of spun fibers. With the decrease of SA content, the solution drafting was smooth. On this basis, as the distance increases, the fiber morphology is gradually improved, and the unevenness rate is increased. When 7.5% PVA and 2% SA are blended by the volume ratio of 9:1, the fiber morphology and diameter distribution are optimal. The optimum spinning voltage and distance are 75 kV and 25 cm, respectively. The average fiber diameter is (187±44) nm and the yield can reach 2.5 g/h. This study provides a reference for the large-scale preparation of AP nanofiber membranes. © 2020, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：140 / 146
页数：6
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