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Title:
BLOCK COPOLYMER, MANUFACTURING METHOD THEREFOR, AND POLYMER ELECTROLYTE MATERIAL, MOLDED POLYMER ELECTROLYTE, AND SOLID-POLYMER FUEL CELL USING SAID BLOCK COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2013/027724
Kind Code:
A1
Abstract:
Provided are: a block copolymer that exhibits excellent proton conductivity even in low-humidification conditions, exhibits excellent mechanical strength and chemical stability, and when used in a solid-polymer fuel cell, allows high output and excellent physical durability; a polymer electrolyte material; and a molded polymer electrolyte and solid-polymer fuel cell using same. This block polymer contains at least one of each of the following: a segment (A1) containing an ionic group; a segment (A2) that does not contain an ionic group; and a linker moiety connecting said segments. This block polymer is characterized in that the segment (A1) containing an ionic group contains a constitutional unit represented by a specific structure. This polymer electrolyte material, molded polymer electrolyte, and solid-polymer fuel cell are characterized by the use of this block copolymer.

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Inventors:
IZUHARA DAISUKE (JP)
AMANO EMI (JP)
UMEDA HIROAKI (JP)
KUNITA TOMOYUKI (JP)
Application Number:
PCT/JP2012/071078
Publication Date:
February 28, 2013
Filing Date:
August 21, 2012
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
IZUHARA DAISUKE (JP)
AMANO EMI (JP)
UMEDA HIROAKI (JP)
KUNITA TOMOYUKI (JP)
International Classes:
C08G65/40; C08J5/22; C25B13/08; H01B1/06; H01M8/02; H01M8/10
Domestic Patent References:
WO2008018487A12008-02-14
WO2009136631A12009-11-12
WO2011016444A12011-02-10
Foreign References:
JP2008117754A2008-05-22
JP2011040370A2011-02-24
JP2011011549A2011-01-20
JP2011063730A2011-03-31
JP2009235158A2009-10-15
Other References:
See also references of EP 2749585A4
Attorney, Agent or Firm:
Seiryu Patent Professional Corporation et al. (JP)
Clear stream international patent business corporation (JP)
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