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使用堰式电极提高交流静电纺丝生产率的方法。

Methods for increasing productivity of AC-electrospinning using weir-electrode.

作者信息

Batka Ondrej, Skrivanek Josef, Holec Pavel, Beran Jaroslav, Valtera Jan, Bilek Martin

机构信息

Department of Textile Machine Design, Faculty of Mechanical Engineering, Technical University of Liberec, Czech Republic, adress: Studentska 1402/2, Liberec, 461 17, Czech Republic.

Department of Nonwovens and Nanofibrous Materials, Faculty of Textile Engineering, Technical University of Liberec, Czech Republic, adress: Studentska 1402/2, Liberec, 461 17, Czech Republic.

出版信息

Sci Rep. 2024 Oct 14;14(1):24012. doi: 10.1038/s41598-024-75946-5.

DOI:10.1038/s41598-024-75946-5
PMID:39402383
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11473839/
Abstract

The presented work brings new knowledge in the field of spinning electrodes for AC‑electrospinning technology, which is used for producing nanofibrous structures using a solution of polyvinyl butyral. It presents new types of spinning weir‑electrodes and describes research on the influence of electrode design parameters on the stability of the spinning process and the productivity of nanofiber production. The multistage spinning electrode is presented in the ratio of stages one to five. Research is also focused on the effect of the parameters of the electric signal used as a source for the spinning electrode on spinning stability and productivity. Observed parameters were voltage level, frequency and shape such as sine wave, rectangle wave and modified sine wave. An analysis of the influence of the spinning conditions on the resulting nanofibrous structure was also performed by analyzing results gained by SEM; the defects were investigated mainly. The results of the research presented in the thesis open up new possibilities for follow-up research in the field of AC-electrospinning.

摘要

所展示的工作为交流静电纺丝技术的旋转电极领域带来了新知识，该技术用于使用聚乙烯醇缩丁醛溶液生产纳米纤维结构。它展示了新型的旋转堰式电极，并描述了关于电极设计参数对纺丝过程稳定性和纳米纤维生产效率影响的研究。多级旋转电极以一到五阶段的比例呈现。研究还聚焦于用作旋转电极源的电信号参数对纺丝稳定性和效率的影响。观察的参数有电压水平、频率和形状，如正弦波、矩形波和修正正弦波。还通过分析扫描电子显微镜获得的结果，对纺丝条件对所得纳米纤维结构的影响进行了分析；主要研究了缺陷。论文中展示的研究结果为交流静电纺丝领域的后续研究开辟了新的可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/b84e5ecbaaaa/41598_2024_75946_Fig11_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/120439f9e438/41598_2024_75946_Fig6_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/b84e5ecbaaaa/41598_2024_75946_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/f1d8b8fd00e9/41598_2024_75946_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/22b92e479188/41598_2024_75946_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/650bb5063046/41598_2024_75946_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/676e728824ca/41598_2024_75946_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/4b4fe4b91e2e/41598_2024_75946_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/120439f9e438/41598_2024_75946_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/e8db9eb26459/41598_2024_75946_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/154dc2e837f0/41598_2024_75946_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/4346c1825266/41598_2024_75946_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/aed79779d1dc/41598_2024_75946_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/369d/11473839/b84e5ecbaaaa/41598_2024_75946_Fig11_HTML.jpg

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