Synthesis and characterization of tetrafluorophenyl phosphonic acid functionalized polyacrylates as potential proton conducting materials in fuel cells

Alter Christian; Weitkamp Robin F.; Hoge Berthold

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Synthesis and characterization of tetrafluorophenyl phosphonic acid functionalized polyacrylates as potential proton conducting materials in fuel cells

机译：Synthesis and characterization of tetrafluorophenyl phosphonic acid functionalized polyacrylates as potential proton conducting materials in fuel cells

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摘要

Novel acrylate polymers functionalized with tetrafluorophenyl phosphonic acid groups were prepared by free radical polymerization of phosphonic ester acrylate monomers. Liberation of the free acid functions was realized by ester cleavage with Me3SiBr and the subsequent hydrolysis with methanol. The obtained polymers were analyzed by NMR and IR spectroscopy. The ion exchange capacity of the phosphonic acid functionalized methacrylate polymer was determined to 2.8 mmol/g by titration with 0.1 M NaOH. The proton conductivity under anhydrous conditions was determined to 6.84 x 10(-6) Scm(-1) at 120 degrees C by electrochemical impedance spectroscopy.

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来源
《Journal of Applied Polymer Science》 |2023年第4期|共6页
作者
Alter Christian; Weitkamp Robin F.; Hoge Berthold;
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作者单位

Univ Bielefeld;

Univ Appl Sci Hamm Lippstadt;

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原文格式 PDF
正文语种英语
中图分类高分子化合物工业（高聚物工业）;
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fuel cells; phosphonic acids; polymerisations; proton conductivities; POLYMER; STATE;

Synthesis and characterization of tetrafluorophenyl phosphonic acid functionalized polyacrylates as potential proton conducting materials in fuel cells

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