Sulfonated poly(fluorenyl ether ketone) membrane prepared via direct polymerization for PEM fuel cell application
作者： Yulin Chen , Yuezhong Meng , Shuanjin Wang , Shuanghong Tian , Yong Chen
DOI: 10.1016/J.MEMSCI.2006.01.052
关键词: Polymer 、 Fluorene 、 Polymer chemistry 、 Polymerization 、 Ether 、 Condensation polymer 、 Glass transition 、 Chemistry 、 Proton exchange membrane fuel cell 、 Inherent viscosity
摘要: Abstract Sulfonated poly(fluorenyl ether ketone)s with inherent viscosity ranging from 0.68 to 0.93 dL/g were directly synthesized by aromatic nucleophilic polycondensation of bisphenol fluorene various ratios sulfonated difluorobenzophenone difluorobenzophenone. The polymers characterized 1 H NMR method and elemental analysis. tested be soluble in dipolar aprotic solvents such as DMAc, DMF DMSO can readily cast into tough films. These films showed highly thermal degradation temperature, glass transition temperature excellent water affinity well proton conductivity. a promising membrane material for PEM fuel cell application.
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