期刊
TEXTILE RESEARCH JOURNAL
卷 87, 期 2, 页码 208-215出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0040517515627171
关键词
electrospinning; polyacrylonitrile nanofiber membrane; structural; gas filtration; pressure drop; thin membranes
资金
- Chang Jiang Youth Scholars Program of China
- National Natural Science Foundation of China [51373033, 11172064, 51303021]
- Fundamental Research Funds for the Central Universities
- DHU Distinguished Young Professor Program
- Chinese Ministry of Education [113027A]
- Science and Technology Commission of Shanghai Municipality [14YF1405100]
- Science & Technology Committee of Shanghai Municipality [13ZR1400400]
- Donghua Universities Scientific Fund [EG2015005]
In this paper, patterned nanofibrous membranes were fabricated for air filtration. Polyacrylonitrile was employed as the electrospinning material as its fluffy property and bulged bubble template served as collector to prepare the patterned membrane. With this special structure, the pressure drop significantly declined from 151.7 to 24.7mmH(2)O, although the filtration efficiency of nanofiber membranes exhibited a slight decline from 99.94% to 96.33% compared to traditional electrospinning nanofibrous membranes. These sharp declines of the pressure drop while retaining the filtration efficiency imply that it could have more extensive applications.
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