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Electrospinning polyethylene terephthalate/SiO 2 nanofiber composite needle felt for enhanced filtration performance
Author(s) -
Guo Yinghe,
He Weidong,
Liu Jingxian
Publication year - 2020
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.48282
Subject(s) - polyethylene terephthalate , electrospinning , materials science , nanofiber , composite material , filtration (mathematics) , composite number , membrane , chemical engineering , polymer , chemistry , statistics , mathematics , engineering , biochemistry
In this study, polyethylene terephthalate (PET) nanofiber membrane fabricated by electrospinning was newly applied to needle‐felt filters. The PET nanofiber membrane was electrospun in an optimal condition. Nanoparticles (SiO 2 ) were used to reduce the fiber diameter. Polyphenylene sulfide needle felt (PPS NF), hot melt adhesive film, and PET nanofiber membrane were compounded into sandwich‐structured composite needle felt (PET/SiO 2 NNF) by heat treatment. The dynamic filtration performance of PET/SiO 2 NNF was compared with that of PPS NF and polytetrafluoroethylene‐coated needle felt (PTFE CNF). The results showed that PET/SiO 2 NNF had a lower rate of increase of pressure drop and a higher dust removal rate. The completion cycle of PET/SiO 2 NNF was longer than PPS NF and PTFE CNF, which extended its service life in real applications. The successful synthesis of PET/SiO 2 NNF suggested a new method to synthesize an innovative high‐performance needle‐felt filter. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020 , 137 , 48282.
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