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    National Tsing Hua University Institutional Repository > 工學院  > 化學工程學系 > 期刊論文 >  Sulfonated poly(ether ether ketone)/poly(amide imide) polymer blends for proton conducting membrane

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/38233

    Title: Sulfonated poly(ether ether ketone)/poly(amide imide) polymer blends for proton conducting membrane
    Authors: Wu, Han-Lang;Ma, Chen-Chi M.;Li, Chia-Hsun;Lee, Tzong-Ming;Chen, Chih-Yuan;Chiang, Chin-Lung;Wu, Chen
    教師: 馬振基
    Date: 2006
    Publisher: Elsevier
    Relation: Journal of Membrane Science, Elsevier, Volume 280, Issue 1-2, 1 September 2006, Pages 501-508
    Keywords: Polymer blends
    Organic polymers
    Ion exchange membranes
    Atomic force microscopy
    Fourier transform infrared spectroscopy
    Abstract: ©2006 Elsevier - Poly(amide imide) (PAI) was synthesized using 1,2,4-benzenetricarboxylic anhydride (BTBA) and 4,4 prime -methylenebis(phenyl isocyanate) (MBPI). SPEEK/PAI blend membranes were prepared and investigated by NMR, GPC, FT-IR and AFM. The chemical structures of PAI and SPEEK were characterized by using NMR and FT-IR. The adsorption of the SPEEK/PAI blend membrane of water or methanol solution was also characterized. The significant swelling of the blend membrane in concentrated methanol solution was explained by the solubility parameter. The water diffusion coefficient (DH2O) was related to the lambda value of the membrane. The SPEEK/PAI blend membrane had a lower proton conductivity and methanol permeability than Nafion. However, the relative selectivity (proton conductivity divided by methanol permeability) of the SPEEK/PAI 70/30 (w/w) blend membrane was 3.46 × 104 S s cm-3, which is closed to that of Nafion (3.30 S s cm-3).
    URI: http://www.elsevier.com/
    Appears in Collections:[化學工程學系] 期刊論文

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