Experimental Study of Melt Electrospinning in Parallel Electrical Field

Hao, Ming; Liu, Yong; He, Xue Tao; Xie, Peng; Yang, Wei

doi:10.4028/www.scientific.net/amr.221.111

Cited by 12 publications

(6 citation statements)

References 2 publications

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“…Due to PP's poor solubility, the melt electrospinning approach is quite common. [79][80][81][82][83][84][85][86][87][88] In some cases, and in order to enable the melt electrospinning process, various "lubricants" for lowering the PP melt viscosity, 89 or conductive additives to increase electrical conductivity, are used. 89,90 Other melt electrospinning processes were reported, including needleless melt electrospinning, [91][92][93][94] laser assisted electrospinning, 95,96 melt electrowriting, 97 melt differential centrifugal electrospinning 98 and melt blowing electrospinning.…”

Section: Fibers Production Methodsmentioning

confidence: 99%

Polypropylene nanocomposite fibers: A review of current trends and new developments

Tsioptsias

Leontiadis

Tzimpilis

et al. 2020

Journal of Plastic Film & Sheeting

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In this review, traditional and novel techniques for producing micro- and nano- fibers are discussed and various nanofillers, their modifications and polypropylene (PP) functionalization routes are presented. Their influence on PP properties is discussed and new PP composite fiber applications are presented. This review reveals interesting conclusions, such as that in terms of mechanical reinforcement, there is no nano-filler that can improve tensile strength to the extent that it is improved by drawing. However, in some cases, composite drawn fibers are characterized by higher tensile strength than drawn neat PP. With some notable exceptions, the PP nanocomposites lack of “dramatic” properties improvement is mainly due to the non-polar nature of the hydrocarbon chain, which does not favor strong intermolecular interactions with most popular (mainly inorganic) nano-fillers. However, other properties such as electric conductivity, water contact angle and others can be effectively altered using various nanofillers in PP matrices.

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Section: Fibers Production Methodsmentioning

confidence: 99%

Polypropylene nanocomposite fibers: A review of current trends and new developments

Tsioptsias

Leontiadis

Tzimpilis

et al. 2020

Journal of Plastic Film & Sheeting

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“…Lee et al 14 used a sharp-pin-grounded electrode and a cylindrical side-wall electrode to focus on the electrospun jet for the fabrication of various patterned thick mats and nanofibrouspattern mats. Hao et al 15 studied melt-electrospinning process in a parallel electric field, and a conclusion was drawn that many factors greatly affect the stability of the vertical spinning trajectory.…”

mentioning

confidence: 99%

“…Hao et al. 15 studied melt-electrospinning process in a parallel electric field, and a conclusion was drawn that many factors greatly affect the stability of the vertical spinning trajectory.…”

mentioning

confidence: 99%

Jet motion and fiber properties arising from a parallel electric field in melt-electrospinning

Zheng

Xin

et al. 2020

Textile Research Journal

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It is well known that the electric field has a great influence on the diameter and properties of fiber prepared via the melt-electrospinning technique. In this paper, two parallel metal discs were introduced to create a controllable electric field in the experiments. In addition, a three-dimensional electric field was calculated by the numerical simulation method and the jet motion was captured by taking advantage of high-speed photography technology. The influences of electric field distribution on the fiber jet, fiber diameter, fiber mat area and fiber crystallinity were studied in an in-depth and systematical manner. Both whipping amplitude and whipping frequency were also used to describe the characteristics of the jet. The above-mentioned results have proven that increasing the distance between the two parallel metal discs leads to the decrease of electric field intensity and the increase of electric field action time on the fiber, which together determine the diameter and crystallinity of the fiber. With the increase of the outer diameter of the upper disc, the distribution of the electric field becomes more uniform, making it capable of steadily controlling the behavior of the jet, and thus effectively reducing the diameter of the fiber and improving the crystallinity of the fiber.

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“…Using melt electrospining, a variety of electrospun scaffolds with varied topographies can be produced with a high degree of controllability and reproducibility [3,4,9,10,18,19]. Electrospun microfibers present an excellent ability of controlling the topography of scaffolds for several tissue engineering applications in which the effect of physical cues would play a key role in studying cell-scaffold interactions [7,9].…”

Section: Introductionmentioning

confidence: 99%

“…Melt electrospinning can control the fiber diameter, which can be altered by adjusting parameters such as computer numerical control (CNC) feed speed, extrusion die nozzle diameter, melt temperature, flow rate, and electric field strength [9,12,17,18,[20][21][22][24][25][26]. Also, melt electrospinning allows for higher viscous forces than solution electrospinning, which means that the viscous forces can balance with electric field forces [13].…”

Section: Introductionmentioning

confidence: 99%

Mathematical model for predicting topographical properties of poly (ε-caprolactone) melt electrospun scaffolds including the effects of temperature and linear transitional speed

Mohtaram

Lee

et al. 2015

J. Micromech. Microeng.

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Melt electrospinning can be used to fabricate various fibrous biomaterial scaffolds with a range of mechanical properties and varying topographical properties for different applications such as tissue scaffold and filtration and etc., making it a powerful technique. Engineering the topography of such electrospun microfibers can be easily done by tuning the operational parameters of this process. Recent experimental studies have shown promising results for fabricating various topographies, but there is not that body of work that focuses on using mathematical models of this technique to further understand the effect of operational parameters on these properties of microfiber scaffolds. In this study, we developed a novel mathematical model using numerical simulations to demonstrate the effect of temperature, feed rate and flow rate on controlling topographical properties such as fiber diameter of these spun fibrous scaffolds. These promising modelling results are also compared to our previous and current experimental results. Overall, we show that our novel mathematical model can predict the topographical properties affected by key operational parameters such as change in temperature, flow rate and feed rate and this model could serve as a promising strategy for the controlling of topographical properties of such structures for different applications.

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Experimental Study of Melt Electrospinning in Parallel Electrical Field

Cited by 12 publications

References 2 publications

Polypropylene nanocomposite fibers: A review of current trends and new developments

Polypropylene nanocomposite fibers: A review of current trends and new developments

Jet motion and fiber properties arising from a parallel electric field in melt-electrospinning

Mathematical model for predicting topographical properties of poly (ε-caprolactone) melt electrospun scaffolds including the effects of temperature and linear transitional speed

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