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Preparation of sulfonated poly (phthalazinone ether ketone ketone) and properties of the composite membranes
SPPEKK/BPO4 |
| ZHANG Yaoxia1;2; ZHU Xiuling2; JIAN Xigao2 |
1.Department of Chemical Engineering; Yan'an University; Yan'An 716000
2.Department of Polymer Science & Materials; College of Chemical Engineering; Dalian University of Technology; Dalian 116012 |
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Cite this article:
ZHANG Yaoxia ZHU Xiuling JIAN Xigao. Preparation of sulfonated poly (phthalazinone ether ketone ketone) and properties of the composite membranes
SPPEKK/BPO4. Chin J Mater Res, 2009, 23(2): 215-219.
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Abstract Sulfonated poly(phthalazinone ether ketone ketone)s (SPPEKK) with pendent sulfonate groups were synthesized via aromatic nucleophilic substitution and composite membranes have been prepared from SPPEKK and solid inorganic proton conductive BPO4 in situ process. 1H–NMR and FT–IR were used to characterize the structures of the SPPEKK and its composite membranes. The results show that the effects of BPO4 content on mechanical stability, thermo–stability and proton conductivity were investigated. The proton conductivity of the composite membrane was measured to increase to 6.3×10−2S·cm−1(90℃). The conductivity of the composite membrane was improved clearly while holding the better mechanical and thermo property.
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Received: 15 July 2008
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| Fund: Supported by National Nature Science Foundation of China No.50373005 and Liaoning Province Doctor Startup Fund No.20021068. |
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