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Enhanced Aerosol Particle Filtration Efficiency of Nonwoven Porous Cellulose Triacetate Nanofiber Mats

https://hiroshima.repo.nii.ac.jp/records/2006140
https://hiroshima.repo.nii.ac.jp/records/2006140
67787e6e-f9a0-4b75-9862-cc073e8f843a
名前 / ファイル ライセンス アクション
acsomega.8b00695.pdf acsomega.8b00695.pdf (10.5 MB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Enhanced Aerosol Particle Filtration Efficiency of Nonwoven Porous Cellulose Triacetate Nanofiber Mats
言語 en
作成者 Balgis, Ratna

× Balgis, Ratna

en Balgis, Ratna

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Murata, Hiroyuki

× Murata, Hiroyuki

en Murata, Hiroyuki

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Ogi, Takasi

× Ogi, Takasi

en Ogi, Takasi

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Kobayashi, Makoto

× Kobayashi, Makoto

en Kobayashi, Makoto

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Bao, Li

× Bao, Li

en Bao, Li

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
権利情報 © 2018 American Chemical Society, This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
内容記述
内容記述 Aerosol particle filtration in most penetrating particle size (MPPS) region is of great challenge for conventional nonwoven filter mats. The present work, therefore, redesigns conventional filter mats by introducing porous structure. A combination of thermally induced phase separation and breath figure mechanism was employed to synthesize porous cellulose triacetate fibers, in conjunction with the volatile solvent methylene chloride. The ambient humidity, the concentration of the polyvinylpyrrolidone (PVP) secondary polymer, and the ethanol cosolvent were all adjusted to modify the Taylor cone formation, jet stability,and fiber porosity. After fiber formation, the PVP was removed to obtain a superhydrophobic material. To distinguish the effect of pores, the performance of porous and nonporous nanofibers having similar sizes was conducted. Tests were performed using various dust particle sizes, and the results show that the collection efficiency of the porous fibers, resulting from particle diffusion, inertial impaction, and interception, was improved. Interestingly, the efficiency of the porous fibers in the MPPS region was exceptionally enhanced (up to 95%), demonstrating that the presence of dynamic pores greatly contributes to particle capture.
言語 en
内容記述
内容記述タイプ Other
内容記述 This research was supported by JSPS KAKENHI Grant-in-Aid numbers 26709061 and 16K13642 and by the Center for Functional Nano Oxides at Hiroshima University.
出版者
出版者 American Chemical Society
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
識別子タイプ DOI
関連識別子 10.1021/acsomega.8b00695
関連情報
識別子タイプ URI
関連識別子 https://pubs.acs.org/doi/abs/10.1021/acsomega.8b00695
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 2470-1343
開始ページ
開始ページ 8271
書誌情報 ACS Omega
ACS Omega,

巻 3, 号 7, p. 8271-8277, 発行日 2018-07-25
旧ID 46762
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