Repair of Disposable Air Filters by Solution-Blown Nano/Micro Fibrous Patches

Authors
Lee, Ji SooKim, Hyun JiJung, SeojinKim, JooyounLee, Min Wook
Issue Date
2020-11-25
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED NANO MATERIALS, v.3, no.11, pp.11344 - 11351
Abstract
The material used for disposable air filters is generally made of polypropylene, a typical petroleum compound, and is not easily degradable. As a result, secondary environmental pollution is caused by the massive waste of disposable respirators that are consumed by the world's population. In this study, we manufactured solution-blown fibers with solvents that are nontoxic to the environment and the human body. When the perforated respirators were coated with the solution-blown fibers, the repaired respirators attained the filter performance required by the U.S. National Institute for Occupational Safety and Health (NIOSH) for N95 classification. The application of the solution-blown fibers developed in this study can be used as a facile remedy for the reuse and extension of effective service life for perforated or torn respirators.
Keywords
solution blow spinning; nontoxic; disposable; respirator; repair
ISSN
2574-0970
URI
https://pubs.kist.re.kr/handle/201004/117821
DOI
10.1021/acsanm.0c02425
Appears in Collections:
KIST Article > 2020
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