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Electrospinning from a convex needle with multiple jet toward better controlling and enhanced production rate

机译:用多次喷射静电从凸针静电朝向更好的控制和增强的生产率

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摘要

Multiple jet was successfully generated from a convex needle spinneret based on a conventional electrospinning setup. A convex channel was created in the front part of the needle to generate a limited free surface in the electrospinning process. A high flow rate was implemented with more than one polymer jet being produced, resulting in the production rate 2-3 times higher than conventional electrospinning. Finer nanofibers were produced from the convex needle when the applied voltage was 19 kV. The electric field intensity distribution of this spinneret was analyzed and compared with conventional needle spinneret by Comsol Multiphysics modeling. The research work has demonstrated that scaling up the production rate of nanofibers from needle-based free surface electrospinning is possible. It will benefit further development of electrospinning with enhanced throughput and more precise controlling. (c) 2019 Wiley Periodicals, Inc.
机译:基于传统的静电纺丝设置,从凸针纺纱机成功地生成多个射流。 在针的前部中产生凸通道,以在静电纺丝过程中产生有限的自由表面。 利用多于一种聚合物喷射器实施了高流速,产生的生产率比传统的静电纺丝高2-3倍。 当施加的电压为19 kV时,从凸针产生更细的纳米纤维。 通过COMSOL Multiphysics建模分析了该喷丝头的电场强度分布,并与常规的针刺喷丝。 研究工作表明,可以从针对基于针的自由表面静电纺丝缩放纳米纤维的生产率。 它将有助于通过增强的吞吐量和更精确控制的静电纺丝进一步发展。 (c)2019 Wiley期刊,Inc。

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