Influence of grafting solvents on the properties of polymer electrolyte membranes prepared by -ray preirradiation method

Kimura, Yosuke; Asano, Masaharu; Chen, J.; Maekawa, Yasunari; Katakai, Ryoichi*; Yoshida, Masaru

We prepared polymer electrolyte membranes (PEMs) by post-polymerization of styrene (St) with divinylbenzene (DVB) into poly(ethylene-co-tetrafluoroethylene) (ETFE) films in the presence of toluene, isopropyl alcohol (iPrOH), tetrahydrofuran (THF), and tetrachloroethane (TCE) after pre--irradiation followed by a sulfonation. In the case of iPrOH, the grafting yield showed a marked increase compared with those of other solvents. On the other hand, it was found that the durability time of a PEM prepared in the presence of tetrachloroethane was 2 times higher than that in the presence of toluene.

Language	:	English
Journal	:	Radiation Physics and Chemistry
Volume	:	77
Number	:	7
Pages	:	p.864 - 870
Publication Year/Month	:	2008/07
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Paper URL	:	https://doi.org/10.1016/j.radphyschem.2007.12.012
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Keywords	:	no keyword
Research Facility	:	コバルト60照射施設
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Registration No. : AA20070866
JAEA Abstracts No. : 36001190
Paper Submission No. : 4491

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