Development of Hydrophobic Microporous Isotactic Polypropylene Membrane for Membrane Contactor Application

Abstract:

Membrane Contactor (MC) is a well-known membrane technology to provide significant advantages required by industries. For MC, a hydrophobic membrane required as a barrier so that liquid absorbent and flue gaseous do not disperse with one another. However, the major concern in hydrophobic membrane is getting swelling by liquid after a short operating period. To minimize the swelling, this study focused on the exploration on membrane fabrication by Thermally Induced Phase Separation (TIPS). As the immersion in solvents is one of the important step to extract the diluent from membranes pores, the effect of the immersion in methanol was studied. The productions of hydrophobic microporous flat sheets were accomplished by using isotactic Polypropylene (iPP) and two type diluents: Dipenyl Ether (DPE) and Methyl Salicylate (MS). The measurement of hydophobicity of membranes produced was conducted by Test System of JY-82 Video Contact Instrument. Membranes produced were characterized by Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR). The highest hydrophobicity obtained were 124°(three hours immersed in methanol) and 107° (two hours immersed in methanol) by DPE and MS respectively. All membranes show spherical pores, indicating that membranes were formed via liquid-liquid TIPS and strong bond alkane group by Infrared (IR) spectras show that the membranes produce did not change when undergo TIPS process.

• Periodical: Advanced Materials Research (Volume 1113)
• Pages: 36-42
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1113.36
• Online since: July 2015
• Authors: Wan Jusoh Wan Zulaisa Amira, Sunarti Abd Rahman*
• Keywords: Dipentyl Ether, Hydrophobic Membrane, Isotactic Polypropylene, Membrane Contactor, Methyl Salicylate, Thermally Induced Phase Separation

References

[1] H. Zhang, R. Wang, D. T. Liang, J. H. Tay, Modelling and experimental study of CO2 absorption in a hollow fiber membrane contactor, J. Membr. Sci. 279 (2006) 301-310.

DOI: 10.1016/j.memsci.2005.12.017

[2] S.P. Yan, M.X. Fang, W.F. Zhang, S.Y. Wang, Z.K. Xu, Z.Y. Luo, and K.F. Cen, Experimental study on the separation of CO2 from flue gas using hollow fober membrane contactors without wetting, Fuel Processing Technology 88 (2007)501-511.

DOI: 10.1016/j.fuproc.2006.12.007

[3] H. Zhang, R. Wang, D.T. Liang, J.H. Tay, Theoretical and experimental studies of membrane wetting in the membrane gas-liquid contacting process for CO2 adsorption, J. Membr. Sci. 308 (2008)162-170.

DOI: 10.1016/j.memsci.2007.09.050

[4] N. Tang, Q. Jia, H. Zhang, J. Li, Sha Cao, Preparation and Morphology Membranes using Characterization of Narrow Pore Size Distributed Polypropylene Hydrophobic Membranes for Vacuum Membrane Distillation via Thermally Induced Phase Separation, Desalination 256 (2010).

DOI: 10.1016/j.desal.2010.02.024

[5] A. Mansourizadeh and A.F. Ismail, Effect of LiCl concentration in the polymer dope on the structure and performance of hydrophobic PVDF hollow fiber membranes for CO2 adsorption, Journal of Chemical Engineering 165(2010) 980-988.

DOI: 10.1016/j.cej.2010.10.034

[6] R. Abedini and A. Nezhadmoghadam, Application of membrane in gas separation process: its suitability and mechanisms, Petroleum and Coal 52 (2010) 69-80.

[7] X. Sun, Effects of the Based Membrane on the hydrophobility of super-hydrophobic PES membrane and its structural properties, Journal of Modern Applied Science 4 (2010) 2.

DOI: 10.5539/mas.v4n2p71

[8] V.Y. Dindore, D.W.F. Brilman, F.H. Geuzebroek, G.F. Versteeg, Membrane–solvent selection for CO2 removal using membrane gas–liquid contactors, Sep. & Purification Technology 40 (2004)133-145.

DOI: 10.1016/j.seppur.2004.01.014

[9] H. Matsuyama, T. Maki, M. Teramoto, K. Asano, Effect of polyproplylene molecular weight on porpous membrane formation by thermally induced phase separation, Journal of Membrane Science 204 (2002) 323-328.

DOI: 10.1016/s0376-7388(02)00056-x

[10] W. Yave, R. Quijada, D. Serafini, D.R. Lloyd, Effect of the polypropylene type on polymer-diluent phase diagrams and membrane structure in membranes formed vie the TIPS process Part II. Syndiotactic and isotactic polypropylene produced using Metallocene catalyst, Journal of Membrane Science 263(2005).

DOI: 10.1016/j.memsci.2005.04.042

[11] W. Yave and R. Quijada, Preparation and characterization of porous microfiltration membranes by using tailor-made propylene/1-octadecene copolymers, Desalination 228 (2008)150-158.

DOI: 10.1016/j.desal.2007.09.006

[12] K.S. Cheng and C.P. Doh, U.S. Patent, 6, 582, 496. (2003).

[13] H. Matsuyama,M. Teramoto,M. Kuwana, Y. Kitamura, Formation of polypropylene particles via thermally induced phase separation, Polymer 41 (2000) 8673-8679.

DOI: 10.1016/s0032-3861(00)00268-8

[14] D.S. Martula R.T. Bonnecaze D.R. Lloyd, The effects of viscosity on coalescence-induced coalescene, International Journal of Multiphase Flow 29 (2003)1265-1282.

DOI: 10.1016/s0301-9322(03)00102-2