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首页> 外文期刊>Journal of Applied Polymer Science >Needle and Needleless Electrospinning for Nanofibers
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Needle and Needleless Electrospinning for Nanofibers

机译：纳米纤维针和无针静电纺丝

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摘要

A metallic needle is most often used in conventional electrospinning, where a point-plate electric field with nonuniform distribution is formed in single-needle electrospinning (SNE). Low flow rate in SNE has restricted the application of electrospinning on an industrial scale. Multiple needles have been introduced to enhance the flow rate. However, multiple needles make the electric field distribution much more complex. To resolve this problem, alternative electrospinning setups with more uniform electric field have to be developed. Flat spinnerets have been demonstrated to replace the needle in SNE setups. The operating diagrams for flat spinneret electrospinning (FSE) were determined and differed significantly from those for SNE. Nanofibers produced by FSE were more uniform than those from SNE. These differences were explained by the differences in electric fields simulated using finite element analysis (FEA).
机译：金属针最常用于常规的静电纺丝，其中在单针静电纺丝（SNE）中形成具有不均匀分布的点板电场。 SNE中的低流速限制了工业规模电纺的应用。已经引入了多个针头以提高流速。但是，多个针使电场分布更加复杂。为了解决这个问题，必须开发具有更均匀电场的替代电纺丝装置。扁平喷丝板已被证明可以取代SNE装置中的机针。确定了扁平喷丝头静电纺丝（FSE）的操作图，并且与SNE的操作图有显着差异。 FSE生产的纳米纤维比SNE生产的纳米纤维更均匀。这些差异可以通过使用有限元分析（FEA）模拟的电场差异来解释。

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