Composite micro/nano fibrous air filter by simultaneous melt and solution electrospinning

Buivydiene, Dalia; Todea, Ana Maria; Asbach, Christof; Krugly, Edvinas; Martuzevičius, Dainius; Kliučininkas, Linas

doi:10.1016/j.jaerosci.2021.105754

Cited by 26 publications

(22 citation statements)

References 39 publications

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“…It has been widely reported that using a multilayer structure instead of one thick electrospun layer can reduce the pressure drop of the air filter significantly when the other parameters (basis weight and total thickness) remain constant, resulting in a higher quality factor [43,49,[64][65][66][67]. Leung et al [44] coated nonwoven substrates with electrospun PEO nanofibers.…”

Section: Stack Structurementioning

confidence: 99%

“…have been used for the fabrication of air filters by electrospinning successfully. While PVDF has been selected for its inherent hydrophobicity [65,66], PAN and PA6 are attractive for their robustness [26] and long lifespan [22]. For example, an electrospun PAN filter can be used in a hazardous area for 100 h with 95-100% efficiency [56].…”

Section: Electrospinning Techniques For Making Air Filters 71 Single ...mentioning

confidence: 99%

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Application of Electrospun Nonwoven Fibers in Air Filters

Borojeni

Gajewski

Riahi

2022

Fibers

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Air filtration has seen a sizable increase in the global market this past year due to the COVID-19 pandemic. Nanofiber nonwoven mats are able to reach certain efficiencies with a low-pressure drop, have a very high surface area to volume ratio, filter out submicron particulates, and can customize the fiber material to better suit its purpose. Although electrospinning nonwoven mats have been very well studied and documented there are not many papers that combine them. This review touches on the various ways to manufacture nonwoven mats for use as an air filter, with an emphasis on electrospinning, the mechanisms by which the fibrous nonwoven air filter stops particles passing through, and ways that the nonwoven mats can be altered by morphology, structure, and material parameters. Metallic, ceramic, and organic nanoparticle coatings, as well as electrospinning solutions with these same materials and their properties and effects of air filtration, are explored.

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Section: Stack Structurementioning

confidence: 99%

Section: Electrospinning Techniques For Making Air Filters 71 Single ...mentioning

confidence: 99%

Application of Electrospun Nonwoven Fibers in Air Filters

Borojeni

Gajewski

Riahi

2022

Fibers

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“…The produced microbeads also displayed a poor adsorption behavior of persistent organic pollutants (POPs) due to their low specific surface area that, combined with the green nature of the melt electrospinning method, highlights its potential to replace non-biodegradable microbeads in cosmetics. Buivydiene et al [106] also made use of a combined method of solution and melt electrospinning for the production of polyamide 12 (PA12) fiber mats that can be potentially applied as fibrous air filters. Authors were able to develop submicron (<1 μm) and supermicron (≥1 μm) structured fibrous mats that presented favorable filtration properties, such as high-filtration quality (0.068-0.085 Pa −1 for PN 1 fraction), low values of pressure drops (15.92-50.17 Pa), and with high filtration efficiencies ranging from 94% (PN 1 ) to 99% (PN 10 ).…”

Section: Melt Electrospinningmentioning

confidence: 99%

“…Buivydiene et al. [ 106 ] also made use of a combined method of solution and melt electrospinning for the production of polyamide 12 (PA12) fiber mats that can be potentially applied as fibrous air filters. Authors were able to develop submicron (<1 µm) and supermicron (≥1 µm) structured fibrous mats that presented favorable filtration properties, such as high‐filtration quality (0.068–0.085 Pa −1 for PN 1 fraction), low values of pressure drops (15.92–50.17 Pa), and with high filtration efficiencies ranging from 94% (PN 1 ) to 99% (PN 10 ).…”

Section: Spinneret Configurationsmentioning

confidence: 99%

Management of Operational Parameters and Novel Spinneret Configurations for the Electrohydrodynamic Processing of Functional Polymers

Silva

Torres‐Giner

Vicente

et al. 2022

Macro Materials & Eng

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Functional materials have become key drivers in the development of multiple high‐end technologies. Electrohydrodynamic processing (EHDP) is a straightforward method to generate polymer micro‐ and nanostructures that can be applied to the food, pharmaceutical, environmental, and biomedical areas, among others, since these can yield materials with higher performance. Some of the EHDP's advantages over other polymer processing technologies rely on its high versatility, by which the final assembly can be modified in different ways to combine materials with multiple properties and also in different morphological structures, and the use of room processing conditions, meaning that thermolabile ingredients can be incorporated with minimal activity loss. This review provides the historical background, process basics, and the state‐of‐the‐art of the most recent advances achieved in the EHDP technology dealing with the control of its operational parameters to optimize processability and achieve end‐product quality and homogeneity. It also focuses on the newly developed modes of operation and spinneret configurations that can lead to the formation of a wide range of micro‐ and nanostructures with different functionalities and solve some of its current technical limitations. Finally, it also further highlights the potential applications of the resultant hierarchical functional polymer‐based materials obtained by these novel EHDP methods.

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“…1 Two main methods used for preparing the nanofibers via electrospinning have been designed and developed at present: solution electrospinning and melt electrospinning. 2 After years of exploration and research, the technology and theory of solution electrospinning have become relatively integrated. 3 In contrast, the research on and development of melt electrospinning show relatively slow progress.…”

mentioning

confidence: 99%

Effects of temperature on melt electrospinning with auxiliary heating: experiment and simulation study

Zheng

Liu

Xin

2021

Textile Research Journal

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In this study, the effect of the heating temperature of the spinneret on the melt electrospinning process under the condition of application of auxiliary heating was investigated, in a systematical and comprehensive way. The temperature distribution of the melt jet during the melt electrospinning process was simulated by finite element software in order to provide a good deal of insight into the experimental results. In addition, high-speed photography was adopted to capture images of jet formation and jet motion during the melt electrospinning process. The experimental results indicated that the cooling rate of the polypropylene jet decreases obviously under the condition of auxiliary heating; in addition, the higher spinneret temperature leads to greater drafting force, a drawing fiber drafting rate, and greater jet whipping motion, which is conducive to secondary drawing and refinement of the jet.

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Composite micro/nano fibrous air filter by simultaneous melt and solution electrospinning

Cited by 26 publications

References 39 publications

Application of Electrospun Nonwoven Fibers in Air Filters

Application of Electrospun Nonwoven Fibers in Air Filters

Management of Operational Parameters and Novel Spinneret Configurations for the Electrohydrodynamic Processing of Functional Polymers

Effects of temperature on melt electrospinning with auxiliary heating: experiment and simulation study

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