Hybrid Nanofibrous Membrane with Durable Electret for Anti-Wetting Air Filtration; Macromolecular Rapid Communications; Vol. 46, iss. 13

Hybrid Nanofibrous Membrane with Durable Electret for Anti-Wetting Air Filtration; Macromolecular Rapid Communications; Vol. 46, iss. 13

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Parent link:	Macromolecular Rapid Communications.— .— Washington: John Wiley and Sons Ltd. Vol. 46, iss. 13.— 2025.— Article number 2401058, 9 p.
Tác giả khác:	Ming Yang, Ni Yao, Surmenev R. A. Roman Anatolievich, Xinxin Zhang, Jianyong Yu, Shichao Zhang, Bin Ding
Tóm tắt:	Title screen Electrospun fibrous materials with fine fibers and small pores are fundamental for particulate matter (PM) filtration, addressing its harmful environmental and health impacts. However, the existing electrospun fibers are still limited to their sub-micron diameters and unstable surface electrostatic effect, leading to deteriorated filtration performance after prolonged storage or wetting. Herein, the study creates nanofibrous membranes with long-time stable electrostatics by electret-enhanced electrospinning. The phase separation and polarization of the charged jet are manipulated to achieve rapid stretch and strong electret. The obtained membrane exhibits nanosized structures with fiber diameters of ≈220 nm, pore size <1 µm, as well as robust surface potential of 0.4 kV. By virtue of the synergistic effects of sieving and adsorption, the nanofibrous membrane showed a remarkable PM0.3 filtration efficiency of 96.6% and pressure drop of 140 Pa, even reaching the N90 standard after five wetting cycles. The design of such durable membranes will offer a new sight in the functional filtration materials Текстовый файл
Ngôn ngữ:	Tiếng Anh
Được phát hành:	2025
Những chủ đề:	air filtration anti-wetting electret effect electrospinning nanofibrous membrane электронный ресурс труды учёных ТПУ
Truy cập trực tuyến:	https://doi.org/10.1002/marc.202401058
Định dạng:	Điện tử Chương của sách
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=681314

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