Large-scale fabrication of nanofibers by tiny-needle-spaced electrostatic-induction-assisted solution blowing spinning

IF 6.7 3区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Wenxing Zheng , Changwei Shi , Kecheng Liu , Junbo Ren
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Abstract

In this paper, a technology and device for large-scale fabrication of nanofibers called tiny-needle-spaced electrostatic-induction-assisted solution blowing spinning (TESBS) was developed. The airflow stretching force is used as the initial driving force for jet formation in TESBS, which avoids the electric field interference existing in the jet formation stage of multi-needle electrospinning(MES). The addition of an induced electric field in TESBS solves the problem of mutual merging of jets in multi-needle solution blowing spinning (MSBS). The needle spacing of TESBS can be as small as 1 mm, which is much smaller than MES (100 mm) and MSBS (3 mm). The substantial reduction in needle spacing can increase the arrangement density of blunt needles, thereby increasing the output of nanofibers. Compared with MSBS, the average diameter and diameter standard deviation of TESBS nanofibers can be reduced by 52.6% and 78.7%, respectively. Compared with MES, the uniformity of the TESBS nanofiber web has been significantly improved. The formula for the critical needle spacing to ensure that the TESBS jets do not merge with each other was derived. The output of 15-needle TESBS can reach as high as 3 ml/min. The average diameter of TESBS nanofibers decreases with the decrease in injection speed or the increase in voltage. The distance between the needle and the receiver has little effect on the average fiber diameter. TESBS nanofibers with good quality and high yield have broad and bright application prospects in many fields.

Abstract Image

通过微针间隔静电感应辅助溶液吹塑纺丝大规模制造纳米纤维
本文开发了一种用于大规模制造纳米纤维的技术和装置,即微针间隔静电感应辅助溶液吹塑纺丝(TESBS)。TESBS 以气流拉伸力作为射流形成的初始驱动力,避免了多针电纺丝(MES)射流形成阶段存在的电场干扰。在 TESBS 中加入诱导电场,解决了多针溶液吹塑纺丝(MSBS)中射流相互合并的问题。TESBS 的针距可以小到 1 毫米,远远小于 MES(100 毫米)和 MSBS(3 毫米)。针距的大幅缩小可以增加钝针的排列密度,从而提高纳米纤维的产量。与 MSBS 相比,TESBS 纳米纤维的平均直径和直径标准偏差分别降低了 52.6% 和 78.7%。与 MES 相比,TESBS 纳米纤维网的均匀性显著提高。推导出了确保 TESBS 喷射不会相互融合的临界针距公式。15 针 TESBS 的输出可高达 3 毫升/分钟。TESBS 纳米纤维的平均直径随着注射速度的降低或电压的升高而减小。针与接收器之间的距离对平均纤维直径的影响很小。质量好、产量高的 TESBS 纳米纤维在许多领域都有广阔而美好的应用前景。
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来源期刊
Journal of Science: Advanced Materials and Devices
Journal of Science: Advanced Materials and Devices Materials Science-Electronic, Optical and Magnetic Materials
CiteScore
11.90
自引率
2.50%
发文量
88
审稿时长
47 days
期刊介绍: In 1985, the Journal of Science was founded as a platform for publishing national and international research papers across various disciplines, including natural sciences, technology, social sciences, and humanities. Over the years, the journal has experienced remarkable growth in terms of quality, size, and scope. Today, it encompasses a diverse range of publications dedicated to academic research. Considering the rapid expansion of materials science, we are pleased to introduce the Journal of Science: Advanced Materials and Devices. This new addition to our journal series offers researchers an exciting opportunity to publish their work on all aspects of materials science and technology within the esteemed Journal of Science. With this development, we aim to revolutionize the way research in materials science is expressed and organized, further strengthening our commitment to promoting outstanding research across various scientific and technological fields.
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