The Effects of Electric Field on the Multijet Electrospinning Process and Fiber Morphology

Angammana, Chitral J.; Jayaram, S.

doi:10.1109/tia.2010.2103392

Cited by 86 publications

(53 citation statements)

References 21 publications

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“…[20] The electrical field lines developed during the multineedle set-up were compared with those from those in the multifiber spinning using the plastic filter.…”

Section: Characterizationmentioning

confidence: 99%

Controlling Fiber Repulsion in Multijet Electrospinning for Higher Throughput

Kumar

Wei

Barry

et al. 2010

Macro Materials & Eng

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A novel electrospinning set‐up has been developed to successfully electrospin multiple jets with controlled fiber repulsion using a plastic filter. This set‐up shows reduced fiber repulsion as compared to a multineedle set‐up, along with increased throughput. The effect of processing parameters on the fiber repulsion in a multineedle set‐up was also studied. It was found that fiber repulsion could be reduced by controlling emitter voltage and emitter/collector distance. Other important parameters studied included fiber distribution and throughput. It was found that the plastic filter set‐up produced fibers with lower mean diameters and better uniformity. This novel plastic filter design for electrospinning provides increased electrospinning rates with better fiber uniformity.

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“…[20] The electrical field lines developed during the multineedle set-up were compared with those from those in the multifiber spinning using the plastic filter.…”

Section: Characterizationmentioning

confidence: 99%

Controlling Fiber Repulsion in Multijet Electrospinning for Higher Throughput

Kumar

Wei

Barry

et al. 2010

Macro Materials & Eng

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show abstract

“…In conventional, syringe-based electrospinning, the mass production of nanofibers is challenging because any increase in the number of needles will have an adverse influence on the system because of the interaction between the static electricity on the needles394041. In general, a nonwoven nanofiber mat is formed by a whipping motion of the electrospun nanofibers after jetting of the polymeric solution.…”

Section: Resultsmentioning

confidence: 99%

Syringeless Electrospinning toward Versatile Fabrication of Nanofiber Web

Moon

Gil

Lee

2017

Sci Rep

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Although electrospinning is considered a powerful and generic tool for the preparation of nanofiber webs, several issues still need to be overcome for real-world applications. Most of these issues stem from the use of a syringe-based system, where the key factor influencing successful electrospinning is the maintenance of several subtle balances such as those of between the mass and the electrical state. It is extremely difficult to maintain these balances throughout the spinning process until all the polymeric solution in the syringe has been consumed. To overcome these limitations, we have developed a syringeless electrospinning technique as an alternative and efficient means of preparing a nanofiber web. This new technique uses a helically probed rotating cylinder. This technique can not only cover conventional methods, but also provides several advantages over syringe-based and needless electrospinning in terms of productivity (6 times higher) and processibility. For example, we can produce nanofibers with highly crystalline polymers and nanofiber-webs comprising networks of several different polymers, which is sometimes difficult in conventional electrospinning. In addition, this method provides several benefits for colloidal electrospinning as well. This method should help expand the range of applications for electrospun nanofiber webs in the near future.

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“…Another modification by additional electrodes in multi-jet process was an auxiliary electrode. Placed in parallel to the collector, either supporting the nozzles [15,22], or working as additional collector [23], the auxiliary electrode controls the electric field uniformity in the multi-jet electrospinning process. Tomaszewski and Szadkowski, and Yang et al suggested that appropriate nozzles distribution in multi-jet electrospinning system facilitates collecting process of nanofibers [24,25].…”

Section: E V E N T H O U G H T H E I N D U S T R I a L A P P L I C A mentioning

confidence: 99%

Blow-assisted multi-jet electrospinning of poly-L-lactic acid nanofibers

2017

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Regardless the low production rate, electrospinning remains the attractive technique for the nanofibers production in various fields. Thus, the development of a multi-jet technologies for electrospinning gives an opportunity to scale up and increase throughput of the fibers production. However, the multi-jet electrospinning technologies exhibit one major drawback-electrostatic mutual jet repulsion issue. In present research, we propose air blow-assisted multi-jet electrospinning system allowing production of nanofibers with yield, at least, tenfold higher than single jet electrospinning. The system produces nanofibers in two modes: multi-jet electrospinning and blow-assisted multi-jet electrospinning. In case of the latter, the application of sheath air stream allows the system to overcome the electrostatic mutual repulsion issue. These lead to the reduction of deviation of the polymer solution jets, the reduction of instabilities of the jets and the improvement of the control of the nanofibers deposition. Nanofibers morphology and size were investigated based on the scanning electron microscope micrographs. The comparison of the two modes shows changes in nanofibers morphology from beaded structure to fine nanofibers, and the slight increase in fiber mean size when the blowing assistance was applied to the process.

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The Effects of Electric Field on the Multijet Electrospinning Process and Fiber Morphology

Cited by 86 publications

References 21 publications

Controlling Fiber Repulsion in Multijet Electrospinning for Higher Throughput

Controlling Fiber Repulsion in Multijet Electrospinning for Higher Throughput

Syringeless Electrospinning toward Versatile Fabrication of Nanofiber Web

Blow-assisted multi-jet electrospinning of poly-L-lactic acid nanofibers

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