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|標題:||Preparation and characterization of PPSU/PBNPI blend membrane for hydrogen separation||作者:||Weng, T.H.
|關鍵字:||gas permeation;separation factor;blend membrane;H-2;CH4;gas separation;permeation;polyethersulfone;morphology;transport;rubber;co2||Project:||International Journal of Hydrogen Energy||期刊/報告no：:||International Journal of Hydrogen Energy, Volume 33, Issue 15, Page(s) 4178-4182.||摘要:||
Novel polymer blend membranes of poly(bisphenol A-co-4-nitrophthalic anhydride-co-1,3-phenylenediamine) (PBNPI) and polyphenylsulfone (PPSU) in different weight ratios were prepared by a solution casting technique with N-methyl-2-pyrrolidone (NMP) as solvent. The effects of blend polymer composition on the membrane structure and the H-2, CO2 and CH4 separation performance were investigated. The membranes appear macroscopically miscible but microscopically immiscible based on thin-film X-ray diffraction investigations. A remarkably and continuously enhanced permeability has been achieved for these gases with increasing PPSU content from 0 to 50%. The highest pure H-2, CO2 and CH4 permeability are, respectively, equal to 40.4, 34.1 and 8.0 barrer. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
|Appears in Collections:||環境工程學系所|
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