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Title:
アルコキシスルホン化芳香族ポリイミドを含有する電解質膜
Document Type and Number:
Japanese Patent JP4029931
Kind Code:
B2
Abstract:

To provide an alkoxy-sulfonated aromatic polyimide excellent in waterproof property, and characteristics such as ion exchange capacity, proton conductivity and low methanol permeability, and an electrolyte membrane using the same.

This sulfonated aromatic polyimide has a structural unit expressed by formula (17). The electrolyte membrane is the membrane obtained by using the same compound.

COPYRIGHT: (C)2004,JPO


Inventors:
Kenichi Okamoto
Kita Hidetoshi
Fusa Kenka
Tetsuji Hirano
Masayuki Kiuchi
Ueda Masahiro
Nakamura Kazumasa
Application Number:
JP2002325440A
Publication Date:
January 09, 2008
Filing Date:
November 08, 2002
Export Citation:
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Assignee:
Yamaguchi T.L.O Co., Ltd.
Ube Industries,Ltd.
Shinei Co., Ltd.
International Classes:
C08G73/10; C08J5/22; H01B1/06; H01M8/02; H01M8/10; C08L79/08
Domestic Patent References:
JP2002105200A
JP2003234014A
Other References:
岡本健一,他4名,Synthesis, Characterization, and Proton Conductivity of Novel Sulfonated Polyimides 4,高分子学会予稿集,高分子学会,2002年 5月10日,第51巻第4号,746頁
岡本健一,他4名,Synthesis and Proton Conductivity of Propoxy Sulfonic Acid Containing Polyimides,高分子学会予稿集,高分子学会,2002年 9月18日,第51巻第11号,2782-2783頁
Attorney, Agent or Firm:
Yoshihiro Tsunoda