Details

Autor(en) / Beteiligte

• Valencia‐Osorio, Laura Margarita
• Álvarez‐Láinez, Mónica Lucía

Titel

Global View and Trends in Electrospun Nanofiber Membranes for Particulate Matter Filtration: A Review

Ist Teil von

• Macromolecular materials and engineering, 2021-10, Vol.306 (10), p.n/a

Ort / Verlag

Weinheim: John Wiley & Sons, Inc

Erscheinungsjahr

2021

Quelle

Wiley Online Library - AutoHoldings Journals

Beschreibungen/Notizen

• Numerous experimental works for particulate matter (PM) filtration by electrospun nanofiber membranes (ESNFMs) are published in the last 10 years (2010–2021). Organizing and comparing the large amount of the available information to identify the best trends constitutes a big challenge. This review classifies all kinds of ESNFMs considering their physical, chemical, or electrical characteristics. All of them are obtained by modifying several parameters during a specific stage associated to the electrospinning process (ES). In this review, each of these stages is considered a "moment” as a particular instant in time. According to that, three modifications are made: Moment 1—before ES, which refers to changes in polymeric solution composition; moment 2—during ES, which refers to modifying parameters while ES is performed; and moment 3—after ES, which involves applying post‐treatments directly on the membrane. After classifying all kinds of filters by moments, a detailed comparison of ESNFMs with the highest quality factors for PM0.3 is presented, finding out the best trends and comparing their main filtration parameters as well, where the most promising ones correspond to charged and nanofiber/nets membranes, due to their high capture efficiencies (>95%) while maintaining low pressure drops (<100 Pa). Electrospun nanofiber membranes (ESFNMs) are classified considering their physical, chemical, and electrical characteristics. The stablished categories are based on modifications applied at different fabrication stages or moments through electrospinning technique (before, during, and after). A detailed comparison of reported ESFNMs filtration parameters is presented, finding out the best trends for filtration of the most penetrating particulate matter size.