典型文献
Properties of Multiblock Sulfonated Poly(arylene ether sulfone)s Synthesized by Precise Controllable Post-sulfonation for Proton Exchange Membranes
文献摘要：
A series of multiblock sulfonated poly(arylene ether sulfone)s(SPAES)with various block lengths and predictable ion exchange capacity were synthesized from 4,4'-difluorodiphenyl sulfone,4,4'-dihydrodiphenyl sulfone and 4,4'-biphenol by one-pot and two-pot polymerization.1H-NMR and FTIR spectra confirmed the structure that sulfonic acid groups were introduced precisely on the poly(arylene ether sulfone)s by post-sulfonation which resulted in controllable sulfonation degree.The proton exchange membranes(PEMs)-based SPAES displayed excellent dimensional,thermal,antioxidant stability,proton conductivity and mechanical properties(maximum tensile stress＞35 MPa).Thermogravimetric analysis indicated the prepared SPAES began to degrade above 310℃.The effects of polymerization processes,those were,one-pot hydrophobic segment process,one-pot hydrophilic segment process and two-pot process,on the properties of polymers were investigated.The proton conductivity and microphase separation of SPAES PEMs increased in order of those prepared by one-pot hydrophobic segment process,two-pot process and one-pot hydrophilic segment process.The highest conductivities of SPAES synthesized by the above processes under 80℃and 100％relative humidity were 213(MS4),297(MB3)and 360 mS·cm-1(MQ2),respectively.
文献关键词：
中图分类号：
作者姓名：
Xing Chen;Lei Xiao;Xin-Sheng Qiu;Kang-Cheng Chen
作者机构：
School of Chemistry and Chemical Engineering,Beijing Institute of Technology,Beijing 100081,China
文献出处：
引用格式：
[1]Xing Chen;Lei Xiao;Xin-Sheng Qiu;Kang-Cheng Chen-.Properties of Multiblock Sulfonated Poly(arylene ether sulfone)s Synthesized by Precise Controllable Post-sulfonation for Proton Exchange Membranes)[J].高分子科学（英文版）,2022(07):754-763
A类：
Multiblock,Sulfonated,multiblock,SPAES,difluorodiphenyl,dihydrodiphenyl,biphenol,MB3,MQ2
B类：
Properties,Poly,arylene,ether,sulfone,Synthesized,by,Precise,Controllable,Post,sulfonation,Proton,Exchange,Membranes,series,sulfonated,various,lengths,predictable,exchange,capacity,were,synthesized,from,pot,two,polymerization,1H,NMR,FTIR,spectra,confirmed,structure,that,sulfonic,acid,groups,introduced,precisely,post,which,resulted,controllable,degree,proton,membranes,PEMs,displayed,excellent,dimensional,thermal,antioxidant,stability,conductivity,mechanical,properties,maximum,tensile,stress,Thermogravimetric,analysis,indicated,prepared,began,degrade,above,effects,processes,those,hydrophobic,segment,hydrophilic,polymers,investigated,microphase,separation,increased,order,highest,conductivities,under,relative,humidity,MS4,mS,respectively
AB值：
0.468323
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