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Title:
ELECTROLYTE FILM FOR FUEL CELL CONSISTING OF FLUORINE POLYMER ION EXCHANGE MEMBRANE
Document Type and Number:
Japanese Patent JP2004014436
Kind Code:
A
Abstract:

To provide a fluorine polymer ion exchange membrane excellent in characteristics as a solid polymer electrolyte and in oxidation resistance, for one by radiation graft.

With the fluorine polymer ion exchange membrane with a sulfonic acid group introduced to a double bond of a graft chain after radiation graft polymerization of fluorinated butadiene with a fluorine polymer film base material, and its manufacturing method, a graft ratio is 10 to 150%, and an ion exchange capacity is 0.3 to 3.0 meg/g.


Inventors:
YOSHIDA MASARU
MORITA YOSUKE
SUWA TAKESHI
MURAKAMI TOMOYUKI
NISHIYAMA SOJI
WANO TAKASHI
Application Number:
JP2002169775A
Publication Date:
January 15, 2004
Filing Date:
June 11, 2002
Export Citation:
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Assignee:
JAPAN ATOMIC ENERGY RES INST
NITTO DENKO CORP
International Classes:
B01D71/26; B01D71/32; B01D71/34; B01D71/36; B01D71/40; B01D71/82; B01J47/12; C08F259/08; C08J7/18; H01B1/06; H01M8/02; H01M8/10; (IPC1-7): H01M8/02; B01D71/26; B01D71/32; B01D71/34; B01D71/36; B01D71/40; B01D71/82; B01J47/12; C08F259/08; C08J7/18; H01B1/06; H01M8/10
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shurin Sakurai