PREPARATION AND CHARACTERIZATION OF AMIDATED PECTIN BASED POLYMER ELECTROLYTE MEMBRANES
查看参考文献31篇
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文摘
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The work presents the synthesis and characterization of ami dated pectin(AP)based polymer electrolyte membranes(PEM)crosslinked with glutaraldehyde(GA).The prepared membranes are characterized by Fourier transform infrared spectroscopy(FTIR),organic elemental analysis,X-ray diffraction studies(XRD),thermogravimetric analysis (TGA)and impedance spectroscopy.Mechanical properties of the membranes are evaluated by tensile tests.The degree of amidation(DA),molar and mass reaction yields(Y_M and Y_N)are calculated based on the results of organic elemental analysis.FTIR spectroscopy indicated the presence of primary and secondary amide absorption bands.XRD pattern of membranes clearly indicates that there is a considerable increase in crystallinity as compared to parent pectin.TGA studies indicate that AP is less thermally stable than reference pectin.A maximum room temperature conductivity of 1.098×10~(-3) Scm~(-1) is obtained in the membrane,which is designated as AP-3.These properties make them good candidates for low cost biopolymer electrolyte membranes for fuel cell applications. |
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来源
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Chinese Journal of Polymer Science
,2009,27(5):639-646 【核心库】
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DOI
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10.1142/s0256767909004333
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关键词
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Amidated pectin
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Proton conducting
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Methanol permeability
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Impedance spectroscopy
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Fuel cell.
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地址
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1.
Department of Polymer Science,Bundelkhand University, Jhansi, 284128
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Materials Science Center,Indian Institute of Technology, Kharagpur, 721302
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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0256-7679 |
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学科
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化学 |
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文献收藏号
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CSCD:3652568
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