Multi-Layered, Corona Charged Melt Blown Nonwovens as High Performance PM<sub<0.3</sub< Air Filters

Particulate matter (PM) and airborne viruses bring adverse influence on human health. As the most feasible way to prevent inhalation of these pollutants, face masks with excellent filtration efficiency and low press drop are in urgent demand. In this study, we report a novel methodology for producin...
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Gespeichert in:

Autor*in:	Xing Zhang [verfasserIn] Jinxin Liu [verfasserIn] Haifeng Zhang [verfasserIn] Jue Hou [verfasserIn] Yuxiao Wang [verfasserIn] Chao Deng [verfasserIn] Chen Huang [verfasserIn] Xiangyu Jin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	multi-layer melt blown corona charging air filter

Übergeordnetes Werk:	In: Polymers - MDPI AG, 2011, 13(2021), 4, p 485
Übergeordnetes Werk:	volume:13 ; year:2021 ; number:4, p 485

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/polym13040485

Katalog-ID:	DOAJ071845070

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callnumber-first	Q - Science
author	Xing Zhang
spellingShingle	Xing Zhang misc QD241-441 misc multi-layer misc melt blown misc corona charging misc air filter misc Organic chemistry Multi-Layered, Corona Charged Melt Blown Nonwovens as High Performance PM<sub<0.3</sub< Air Filters
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topic_title	QD241-441 Multi-Layered, Corona Charged Melt Blown Nonwovens as High Performance PM<sub<0.3</sub< Air Filters multi-layer melt blown corona charging air filter
topic	misc QD241-441 misc multi-layer misc melt blown misc corona charging misc air filter misc Organic chemistry
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title	Multi-Layered, Corona Charged Melt Blown Nonwovens as High Performance PM<sub<0.3</sub< Air Filters
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title_sort	multi-layered, corona charged melt blown nonwovens as high performance pm<sub<0.3</sub< air filters
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title_auth	Multi-Layered, Corona Charged Melt Blown Nonwovens as High Performance PM<sub<0.3</sub< Air Filters
abstract	Particulate matter (PM) and airborne viruses bring adverse influence on human health. As the most feasible way to prevent inhalation of these pollutants, face masks with excellent filtration efficiency and low press drop are in urgent demand. In this study, we report a novel methodology for producing high performance air filter by combining melt blown technique with corona charging treatment. Changing the crystal structure of polypropylene by adding magnesium stearate can avoid charge escape and ensure the stability of filtration performances. Particularly, the influence of fiber diameter, pore size, porosity, and charge storage on the filtration performances of the filter are thoroughly investigated. The filtration performances of the materials, including the loading test performance are also studied. The melt blown materials formed by four layers presented a significant filtration efficiency of 97.96%, a low pressure drop of 84.28 Pa, and a high quality factor (QF) of 0.046 Pa<sup<−1</sup< for paraffin oil aerosol particles. Meanwhile, a robust filtration efficiency of 99.03%, a low pressure drop of 82.32 Pa, and an excellent QF of 0.056 Pa<sup<−1</sup< for NaCl aerosol particles could be easily achieved. The multi-layered melt blown filtration material developed here would be potentially applied in the field of protective masks.
abstractGer	Particulate matter (PM) and airborne viruses bring adverse influence on human health. As the most feasible way to prevent inhalation of these pollutants, face masks with excellent filtration efficiency and low press drop are in urgent demand. In this study, we report a novel methodology for producing high performance air filter by combining melt blown technique with corona charging treatment. Changing the crystal structure of polypropylene by adding magnesium stearate can avoid charge escape and ensure the stability of filtration performances. Particularly, the influence of fiber diameter, pore size, porosity, and charge storage on the filtration performances of the filter are thoroughly investigated. The filtration performances of the materials, including the loading test performance are also studied. The melt blown materials formed by four layers presented a significant filtration efficiency of 97.96%, a low pressure drop of 84.28 Pa, and a high quality factor (QF) of 0.046 Pa<sup<−1</sup< for paraffin oil aerosol particles. Meanwhile, a robust filtration efficiency of 99.03%, a low pressure drop of 82.32 Pa, and an excellent QF of 0.056 Pa<sup<−1</sup< for NaCl aerosol particles could be easily achieved. The multi-layered melt blown filtration material developed here would be potentially applied in the field of protective masks.
abstract_unstemmed	Particulate matter (PM) and airborne viruses bring adverse influence on human health. As the most feasible way to prevent inhalation of these pollutants, face masks with excellent filtration efficiency and low press drop are in urgent demand. In this study, we report a novel methodology for producing high performance air filter by combining melt blown technique with corona charging treatment. Changing the crystal structure of polypropylene by adding magnesium stearate can avoid charge escape and ensure the stability of filtration performances. Particularly, the influence of fiber diameter, pore size, porosity, and charge storage on the filtration performances of the filter are thoroughly investigated. The filtration performances of the materials, including the loading test performance are also studied. The melt blown materials formed by four layers presented a significant filtration efficiency of 97.96%, a low pressure drop of 84.28 Pa, and a high quality factor (QF) of 0.046 Pa<sup<−1</sup< for paraffin oil aerosol particles. Meanwhile, a robust filtration efficiency of 99.03%, a low pressure drop of 82.32 Pa, and an excellent QF of 0.056 Pa<sup<−1</sup< for NaCl aerosol particles could be easily achieved. The multi-layered melt blown filtration material developed here would be potentially applied in the field of protective masks.
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container_issue	4, p 485
title_short	Multi-Layered, Corona Charged Melt Blown Nonwovens as High Performance PM<sub<0.3</sub< Air Filters
url	https://doi.org/10.3390/polym13040485 https://doaj.org/article/f26d997077d442fa9e17f40af7a2e558 https://www.mdpi.com/2073-4360/13/4/485 https://doaj.org/toc/2073-4360
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up_date	2024-07-03T22:29:18.953Z
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