Electrospun nanofiber as building blocks for high-performance air ...
2024年4月1日 · Electrospun nanofibers exhibit integrated properties of nanoscale fiber diameter, small pore size, high porosity, and tunable surface wettability, and thus have gained extensive concern and hold great promise as building blocks for high-performance air filter.
Electrospun Nanofiber Membranes for Air Filtration: A Review
This article introduces the research advances and the application potential of electrospun nanofiber membranes in the field of air filtration, and the advantages of electrospinning technology in air filtration materials.
Electrospun bimodal nanofibrous membranes for high …
Electrospun nanofibrous air-filtration membranes, which are cost-effective materials that help safeguard human health, have garnered widespread attention. To comprehensively enhance the protection capabilities, comfort (for masks), energy efficiency (for air purifiers), and achieve optimal overall benefits, there is a demand for the ...
Electrospun nanofibers for high-performance air filtration
2019年10月1日 · In this review, we provide an overview of the design and fabrication of electrospun nanofibers with optimized structures and enhanced electrostatic effect for effective air filtration (Fig. 1). We comprehensively summarize the structures of high-performance EAFMs, including two-dimensional (2D) membranes constructed by smooth or hierarchically ...
Highly Sensitive Electrospun Sensory Membrane for Low-Speed Air Flow …
2023年9月1日 · A porous electrospun thermoplastic polyurethane (TPU) membrane was designed, fabricated, and functionalized to become a highly sensitive airflow sensor. It is composed of a permeable electrospun nanofibrous structure able to detect and measure low-speed airflow using piezoresistive phenomenon.
Preparation of electrospun nanofiber membrane for air filtration …
2021年11月23日 · Porous and fluffy fiber membranes composed of nanofibers and microfibers can enhance the 'slip effect' of air flow, reduce resistance of respiration and improve respiratory comfort . The fabrication of polymer nanofibers includes spinning, template synthesis, phase separation, self-assembly, and electrospinning [ 11 ].
Electrospun Nanofibrous Membranes for Air Filtration: A Critical …
2023年7月14日 · Nanofibrous composite membranes containing CA/PEO have a quality factor of 0.01338 Pa −1 and a filtration efficiency of 98.12% at an air flow velocity of 85 L/min, which are better than those of a two-layer nonwoven fabric of 0.00496 Pa −1 and 4.14%, respectively .
Electrospun polyacrylonitrile nanofiber membranes for air …
2021年10月8日 · Polyacrylonitrile (PAN) nanofiber membranes of varied thicknesses (20–100 µm) were electrospun at a polymer concentration of 14% (w/v) in N,N-Dimethylformamide (DMF); characterized for porosity, pressure drop, air permeability and particle filtration efficiency (PFE).
Enhanced Air Filtration Efficiency through Electrospun …
2024年8月23日 · Air filtration tests conducted with NaCl nanoparticles (7–300 nm) demonstrated superior permeability (10 –12 m 2) and minimal pressure drop (approximately 780 Pa at a 5 LPM airflow rate) compared to other electrospun materials. Both MWCNT-impregnated samples and individual PVC/PVP nanofibers exhibited filtration efficiencies nearing 96%.
Electrospun Polymer Nanofibers: Processing, Properties, and
2022年12月23日 · The quality of electrospun nanofibers is significantly influenced by environmental conditions, including temperature, air flow velocity, and humidity, in addition to electrospinning equipment and substrate parameters.