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Naphthalene-Based Poly(arylene ether ketone) Copolymers Containing Sulfobutyl Pendant Groups for Proton Exchange Membranes
Shao, Ke1; Zhu, Jing1; Zhao, Chengji1; Li, Xianfeng2; Cui, Zhiming3; Zhang, Yang1; Li, Hongtao1; Xu, Dan1; Zhang, Gang1; Fu, Tiezhu1; Wu, Jing1; Na, Hui1; Xing, Wei3
关键词Branched Polyelectrolytes Poly(Ether Ketones) Sulfonated Swelling
刊名JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
2009-11-01
DOI10.1002/pola.23621
47期:21页:5772-5783
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Polymer Science
研究领域[WOS]Polymer Science
关键词[WOS]SULFONIC-ACID GROUPS ; FUEL-CELL APPLICATIONS ; BRANCHED POLY(ETHER-KETONE)S ; CONDUCTING MEMBRANES ; END-GROUPS ; POLYMER ; POLYIMIDES ; IONOMERS ; COMPOSITE ; NITRILE)S
英文摘要A new monomer 1,5-bis(4-fluorobenzoyl)-2,6-dimethoxynaphthalene (DMNF) was prepared and further polymerized to form naphthalene-based poly(arylene ether ketone) copolymers containing methoxy groups (MNPAEKs). The side-chain-type sulfortated naphthalene-based poly(arylene ether ketone) copolymers (SNPAEKs) were obtained by demethylation and sulfobutylation. Flexible and tough membranes with reasonably high mechanical strength were prepared. The SNPAEKs membrane showed anisotropic membrane swelling with larger swelling in thickness than in plane. Transmission electron microscopy (TEM) analysis revealed clear nano-phase separated structure of SNPAEKs membranes, which composed of hydrophilic side chain and hydrophobic main-chain domains. Proton conductivities of copolymers increased gradually with increase in temperature. The highest conductivity of 0.179 S/cm was obtained for SNPAEK-80 (IEC = 1.82 mequiv/g) at 80 degrees C, which is higher than that of Nafion117 (0.146 S/cm). The SNPAEKs membranes exhibit the methanol permeability in the range of 3.42 x 10(-8) - 4.49 x 10(-7) cm(2)/s, which are much lower than that of Nafion117. They could be the promising materials as alternative to Nafion membrane for direct methanol fuel cells applications. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 5772-5783, 2009
语种英语
WOS记录号WOS:000271669700019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141257
专题中国科学院大连化学物理研究所
作者单位1.Jilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
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GB/T 7714
Shao, Ke,Zhu, Jing,Zhao, Chengji,et al. Naphthalene-Based Poly(arylene ether ketone) Copolymers Containing Sulfobutyl Pendant Groups for Proton Exchange Membranes[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2009,47(21):5772-5783.
APA Shao, Ke.,Zhu, Jing.,Zhao, Chengji.,Li, Xianfeng.,Cui, Zhiming.,...&Xing, Wei.(2009).Naphthalene-Based Poly(arylene ether ketone) Copolymers Containing Sulfobutyl Pendant Groups for Proton Exchange Membranes.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,47(21),5772-5783.
MLA Shao, Ke,et al."Naphthalene-Based Poly(arylene ether ketone) Copolymers Containing Sulfobutyl Pendant Groups for Proton Exchange Membranes".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 47.21(2009):5772-5783.
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