Effect of Temperature on the Structure and Filtration Performance of Polypropylene Melt-Blown Nonwovens

By applying the simultaneous corona-temperature treatment, the effect of electret temperature on the structure and filtration properties of melt-blown nonwovens was investigated. Fiber diameter, pore size, thickness, areal weight, porosity, crystallinity, filtration efficiency, and pressure drop wer...

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Bibliographic Details
Published in:AUTEX Research Journal 2021-06, Vol.21 (2), p.207-217
Main Authors: Cheng, Si, Muhaiminul, Alam S. M., Yue, Zhonghua, Wang, Yan, Xiao, Yuanxiang, Militky, Jiri, Prasad, Mohanapriya, Zhu, Guocheng
Format: Article
Language:English
Subjects:
electret temperature
filtration performance
melt-blown fabrics
Polypropylene
structure
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Summary:By applying the simultaneous corona-temperature treatment, the effect of electret temperature on the structure and filtration properties of melt-blown nonwovens was investigated. Fiber diameter, pore size, thickness, areal weight, porosity, crystallinity, filtration efficiency, and pressure drop were evaluated. The results demonstrated that some changes occurred in the structure of electret fabrics after treatment under different temperatures. In the range of 20°C~105°C, the filtration efficiency of melt-blown nonwovens has a relationship with the change in crystallinity, and the pressure drop increased because of the change in areal weight and porosity. This work may provide a reference for further improving filtration efficiency of melt-blown nonwovens.
ISSN:2300-0929
2300-0929
DOI:10.2478/aut-2019-0067