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A highly efficient nanofibrous air filter membrane fabricated using electrospun amphiphilic PVDF-g-POEM double comb copolymer.


ABSTRACT: Current global emergencies, such as the COVID-19 pandemic and particulate matter (PM) pollution, require urgent protective measures. Nanofibrous air filter membranes that can capture PM0.3 and simultaneously help in preventing the spread of COVID-19 are essential. Therefore, a highly efficient nanofibrous air filter membrane based on amphiphilic poly(vinylidene fluoride)-graft-poly(oxyethylene methacrylate) (PVDF-g-POEM) double comb copolymer was fabricated using atomic transfer radical polymerization (ATRP) and electrospinning. Fourier transform infrared spectroscopy, X-ray diffraction, proton nuclear magnetic resonance, transmission electron microscopy, differential scanning calorimetry, and thermogravimetric analysis were employed to successfully characterize the molecular structure of the fabricated amphiphilic PVDF-g-POEM double comb copolymer. The nanofibrous air filter membrane based on amphiphilic PVDF-g-POEM double comb copolymer achieved a low air resistance of 4.69 mm H2O and a high filtration efficiency of 93.56 % due to enhanced chemical and physical adsorption properties.

SUBMITTER: Moon J 

PROVIDER: S-EPMC9761316 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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A highly efficient nanofibrous air filter membrane fabricated using electrospun amphiphilic PVDF-<i>g</i>-POEM double comb copolymer.

Moon Juyoung J   Bui Tan Tan TT   Jang Soyoung S   Ji Seungyoung S   Park Jung Tae JT   Kim Myung-Gil MG  

Separation and purification technology 20210911


Current global emergencies, such as the COVID-19 pandemic and particulate matter (PM) pollution, require urgent protective measures. Nanofibrous air filter membranes that can capture PM<sub>0.3</sub> and simultaneously help in preventing the spread of COVID-19 are essential. Therefore, a highly efficient nanofibrous air filter membrane based on amphiphilic poly(vinylidene fluoride)-<i>graft</i>-poly(oxyethylene methacrylate) (PVDF-<i>g</i>-POEM) double comb copolymer was fabricated using atomic  ...[more]

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