Preparation of anion-exchange membranes by radiation grafting and their cell testing; Effect of crosslinker

Koshikawa, Hiroshi; Yamaki, Tetsuya; Asano, Masaharu; Maekawa, Yasunari; Yamaguchi, Susumu*; Yamamoto, Kazuya*; Asazawa, Koichiro*; Yamada, Koji*; Tanaka, Hirohisa*

We prepared anion-exchange membranes based on an ethylene-tetrafluoroethylene copolymer by -ray-induced graft polymerization of chloromethylstyrene (CMS) and the subsequent quaternization reaction. The crosslinker effect was investigated in terms of membrane preparation and performance of a hydrazine fuel cell. The quaternization ratio appeared to decrease as the concentration of divinylbenzene (DVB) in the CMS grafting solution increased. Importantly, the crosslinker lowered the water uptake of the resulting membranes in the Cl $^{-}$ and OH $^{-}$ forms, possibly thereby restricting excessive swelling during the fuel-cell operation.

Language	:	Japanese
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Meeting title	:	第59回高分子討論会
Held date	:	2010/09
Location (city)	:	札幌
Location (country)	:	日本
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Keywords	:	no keyword
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Cooperating Institute	:	ダイハツ工業

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Registration No. : BB20101940
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