Meltblown fabric vs nanofiber membrane, which is better for fabricating personal protective equipments

Wu, Junwei, Zhou, Hongjia, Zhou, Jingyi, Zhu, Xiao, Zhang, Bowen, Feng, Shasha, Zhong, Zhaoxiang, Kong, Lingxue and Xing, Weihong 2020, Meltblown fabric vs nanofiber membrane, which is better for fabricating personal protective equipments, Chinese Journal of Chemical Engineering, no. In-Press, doi: 10.1016/j.cjche.2020.10.022.

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Title Meltblown fabric vs nanofiber membrane, which is better for fabricating personal protective equipments
Author(s) Wu, Junwei
Zhou, Hongjia
Zhou, Jingyi
Zhu, Xiao
Zhang, Bowen
Feng, Shasha
Zhong, Zhaoxiang
Kong, LingxueORCID iD for Kong, Lingxue
Xing, Weihong
Journal name Chinese Journal of Chemical Engineering
Issue number In-Press
Total pages 18
Publisher Chemical Industry Press - Huaxue Gongye Chubanshe (Elsevier B.V.)
Place of publication Beijing, China
Publication date 2020-11
ISSN 1004-9541
Keyword(s) Filtration efficiency
Meltblown fabrics
Nano cobweb-biomimetic membrane
Reusable mask
Summary The coronavirus disease 2019 (COVID-19) pandemic has led to a great demand on the personal protection products such as reusable masks. As a key raw material for masks, meltblown fabrics play an important role in rejection of aerosols. However, the electrostatic dominated aerosol rejection mechanism of meltblown fabrics prevents the mask from maintaining the desired protective effect after the static charge degradation. Herein, novel reusable masks with high aerosols rejection efficiency were fabricated by the introduction of spider-web bionic nanofiber membrane (nano cobweb-biomimetic membrane). The reuse stability of meltblown and nanofiber membrane mask was separately evaluated by infiltrating water, 75% alcohol solution, and exposing under ultraviolet (UV) light. After the water immersion test, the filtration efficiency of meltblown mask was decreased to about 79%, while the nanofiber membrane was maintained at 99%. The same phenomenon could be observed after the 75% alcohol treatment, a high filtration efficiency of 99% was maintained in nanofiber membrane, but obvious negative effect was observed in meltblown mask, which decreased to about 50%. In addition, after long-term expose under UV light, no filtration efficiency decrease was observed in nanofiber membrane, which provide a suitable way to disinfect the potential carried virus. This work successfully achieved the daily disinfection and reuse of masks, which effectively alleviate the shortage of masks during this special period.
Language eng
DOI 10.1016/j.cjche.2020.10.022
Indigenous content off
Field of Research 0904 Chemical Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID National Key R & D Projects (No. 2018YFE0203500)
National Natural Science Foundation of China (21921006, 21878148)
Key Industrial R & D International Cooperation Project (BZ2018004)
Copyright notice ©2020, Chemical Industry and Engineering Society of China, and Chemical Industry Press
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