CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Three-layer Composite Filter Media Containing Electrospun Polyimide Nanofibers for the Removal of Fine Particles
Li, Lei1; Shang, Leiming1,2,3; Li, Yanxiang1; Yang, Chuanfang1
2017-04-01
Source PublicationFIBERS AND POLYMERS
ISSN1229-9197
Volume18Issue:4Pages:749-757
Abstract

Polyimide (P84) nanofibers of 200-500 nm were deposited uniformly on needle punched aramid felt with basis weight of 260-350 g/m(2) by optimized electrospinning. High temperature adhesive was then electro-sprayed on the nanofiber side deliberately to bind a thin protective layer made of temperature-resistant non-wovens. The three layer structure was afterwards enforced by hot pressing to form composite filter media. The application of the adhesive was tailored not to affect the permeability of the substrate felt while exerting adhesion strength of over 1000 kPa for the media to be suitable for flue gas dust treatment under 240 degrees C. When 0.3-10 mu m NaCl aerosols were used as the simulated dusts, it was found that even a small amount of P84 nanofibers could obviously elevate the filtration efficiency. The composite showed 100 % removal efficiency of particles equal and greater than 2.0 mu m, and 99.5 % for particles 1.0-2.0 mu m in diameter.

KeywordElectrospinning Polyimide Filtration Efficiency Nanofibers Composite Media
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s12221-017-1094-9
Indexed BySCI
Language英语
WOS KeywordAir-pollution ; Filtration ; Performance ; Efficiency ; Fibers ; Membrane ; Polymer
WOS Research AreaMaterials Science ; Polymer Science
WOS SubjectMaterials Science, Textiles ; Polymer Science
Funding OrganizationChinese Academy of Sciences
WOS IDWOS:000400306600018
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22841
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Huawei Technol Co Ltd, Shenzhen 518129, Peoples R China
Recommended Citation
GB/T 7714
Li, Lei,Shang, Leiming,Li, Yanxiang,et al. Three-layer Composite Filter Media Containing Electrospun Polyimide Nanofibers for the Removal of Fine Particles[J]. FIBERS AND POLYMERS,2017,18(4):749-757.
APA Li, Lei,Shang, Leiming,Li, Yanxiang,&Yang, Chuanfang.(2017).Three-layer Composite Filter Media Containing Electrospun Polyimide Nanofibers for the Removal of Fine Particles.FIBERS AND POLYMERS,18(4),749-757.
MLA Li, Lei,et al."Three-layer Composite Filter Media Containing Electrospun Polyimide Nanofibers for the Removal of Fine Particles".FIBERS AND POLYMERS 18.4(2017):749-757.
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