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Yamaki, Tetsuya; Kobayashi, Kazuhiro; Asano, Masaharu; Kubota, Hitoshi*; Yoshida, Masaru
Polymer, 45(19), p.6569 - 6573, 2004/09
Times Cited Count：56 Percentile：82.34(Polymer Science)We prepared proton exchange membranes by the 
-ray-induced post grafting of styrene into crosslinked polytetrafluoroethylene (PTFE) films and subsequent sulfonation. The degree of grafting was controlled in the range of 7-75% by the crosslinking density of the PTFE matrix as well as the grafting conditions. Under our preparation conditions, the films at the grafting yield of 
30% were found to produce ion exchange membranes with a homogeneous distribution of sulfonic acid groups. The resulting membranes showed a large ion exchange capacity up to 2.9 meq g
, which exceeded the performance of commercially-available perfluorosulfonic acid films such as Nafion; nevertheless, they appeared to be dimensionally stable in water. These should undoubtedly result from the use of the crosslinked PTFE films as graft substrates and make our ion exchange membranes promising for applications to polymer electrolyte fuel cells.
Ito, Yasuo*; F.M.H.Mohamed*; Seguchi, Tadao;
Radiation Physics and Chemistry, 48(6), p.775 - 779, 1996/00
Times Cited Count：21 Percentile：83.56(Chemistry, Physical)no abstracts in English
Tabata, Yoneho*; ; ; Seguchi, Tadao
Radiation Physics and Chemistry, 48(5), p.563 - 568, 1996/00
no abstracts in English
; Tabata, Yoneho*; Kudo, Hisaaki; Seguchi, Tadao
Radiation Physics and Chemistry, 45(2), p.269 - 273, 1995/00
Times Cited Count：188 Percentile：99.70(Chemistry, Physical)no abstracts in English
JAERI-M 92-129, 40 Pages, 1992/09
no abstracts in English
JAERI-M 8529, 180 Pages, 1979/10
no abstracts in English
; ; ; Machi, Sueo
Journal of Polymer Science; Polymer Chemistry Edition, 17(2), p.503 - 516, 1979/00
no abstracts in English
; Seguchi, Tadao; Takehisa, Masaaki; Machi, Sueo
J.Polym.Sci.,Polym.Phys.Ed., 13(11), p.2183 - 2194, 1975/11
no abstracts in English
Seguchi, Tadao; ; ; Takehisa, Masaaki
J.Polym.Sci.,Polym.Phys.Ed., 12(12), p.2567 - 2576, 1974/12
no abstracts in English
; Takehisa, Masaaki; Machi, Sueo
J.Appl.Polym.Sci., 18(8), p.2249 - 2259, 1974/08
Times Cited Count：13no abstracts in English
Hagiwara, Miyuki; ; ; ;
Kobunshi Rombunshu, 31(5), p.336 - 340, 1974/05
no abstracts in English
; Seguchi, Tadao; Takehisa, Masaaki; Machi, Sueo
Reports on Progress in Polymer Physics in Japan, 17, p.213 - 216, 1974/00
no abstracts in English
; Takehisa, Masaaki; Machi, Sueo
Reports on Progress in Polymer Physics in Japan, 17, p.217 - 220, 1974/00
no abstracts in English
; Takehisa, Masaaki; Machi, Sueo
J.Appl.Polym.Sci., 17(11), p.3253 - 3257, 1973/11
Times Cited Count：157no abstracts in English
;
Reports on Progress in Polymer Physics in Japan, 16, p.231 - 234, 1973/00
no abstracts in English
; ; Masaki, N.; ; ; ; Kuriyama, Isamu; ; ;
Reports on Progress in Polymer Physics in Japan, 15, p.141 - 144, 1972/00
no abstracts in English
