Performance Study of Composite Air Filters Using Heterogeneous Fibers

Recently, the worldwide demand for disposable masks has increased due to COVID-19 infections and severe air pollution. Personal masks should reduce breathe resistance while maintaining filtering performance. In this study, a solution blowing process is used to produce composite nanofiber filters to...

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Bibliographic Details
Published in:Composites Research, 35(3) 2022, 35(3), , pp.216-221
Main Authors: Ji Soo Lee, Yuree Oh, Heejin Kim, 박현설, Sam S. Yoon, 이민욱
Format: Article
Language:English
Subjects:
재료공학
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Summary:Recently, the worldwide demand for disposable masks has increased due to COVID-19 infections and severe air pollution. Personal masks should reduce breathe resistance while maintaining filtering performance. In this study, a solution blowing process is used to produce composite nanofiber filters to co-spin two polymers at once. The manufacture process of the various fiber diameter filter was designed, and the filtration performance and differential pressure of the prepared filter was investigated. Poly vinylidene fluoride-hexafluoropropylene (PVDF-HFP) and Polylactic acid (PLA) fibers were chosen to be entangled together in a layer with a diameter of 1.05 μm and 0.33 μm. Composite nanofilters showed up to 87% filtration efficiency and 32 Pa differential pressure. KCI Citation Count: 0
ISSN:2288-2103
2288-2111
DOI:10.7234/composres.2022.35.3.216