E3S Web Conf.
Volume 67, 2018The 3rd International Tropical Renewable Energy Conference “Sustainable Development of Tropical Renewable Energy” (i-TREC 2018)
|Number of page(s)||7|
|Section||Multifunctional and Advanced Materials|
|Published online||26 November 2018|
Recent progress in microfiltration polypropylene membrane fabrication by stretching method
Mechanical Eng. Dept., Udayana University, Jl. Raya Kampus UNUD, Bukit Jimbaran, Kuta Selatan, Badung, Bali - 803611
2 Chemical Eng. Dept., Universitas Jenderal Achmad Yani, Jl. Ters. Jend. Sudirman PO BOX 148, Cimahi
3 Chemical Eng. Dept., Institut Teknologi Bandung, Jl. Ganesha 10, Bandung - 40132
* Coresponding author: firstname.lastname@example.org
Microfiltration polypropylene (MF-PP) membrane has been widely used in many industries due to their excellent combination of good separation performances and low production cost. In addition to membrane configuration, the structure of MF-PP membrane also plays an important role in separation performance. MF-PP membrane is commonly produced by thermal induced phase separation (TIPS) and stretching. TIPS is the simplest one where the polymer is dissolved in a solvent at a decent temperature and then cooled to induce phase separation which leads to the formation of microporous structure. However, this method is limited by the nature of PP that is difficult to dissolve in organic solvents and the solvent-contaminated effluent produced during the fabrication process. Therefore, the stretching method is more favorably used. The Stretching method involves four processing stages in sequence (i.e. melt-extrusion, annealing, stretching, and heat setting). Polymer composition, extrusion draw ratio, as well as stretching rate and temperature, are important parameters that significantly affect the pore structures evolved and thus the properties as well as the performances of MF-PP membrane. In this paper, the recent development of MF-PP fabrication by stretching methods as well as the parameters involved in each method will be reviewed and discussed comprehensively.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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