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
发表期刊FIBERS AND POLYMERS
ISSN1229-9197
卷号18期号:4页码:749-757
摘要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.
关键词Electrospinning Polyimide Filtration Efficiency Nanofibers Composite Media
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1007/s12221-017-1094-9
收录类别SCI
语种英语
关键词[WOS]AIR-POLLUTION ; FILTRATION ; PERFORMANCE ; EFFICIENCY ; FIBERS ; MEMBRANE ; POLYMER
WOS研究方向Materials Science ; Polymer Science
WOS类目Materials Science, Textiles ; Polymer Science
项目资助者Chinese Academy of Sciences
WOS记录号WOS:000400306600018
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22841
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.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
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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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