Novel Sulfonic-Acid-Group-Containing Segmented Block Copolymer, Application Thereof, and Method of Manufacturing Novel Block Copolymer
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United States of America Patent
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Issued Date -
Mar 17, 2011
app pub date -
May 8, 2009
filing date -
May 8, 2008
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Abstract
[Object] To provide a proton exchange membrane for a fuel cell having excellent proton conductivity, lower property of swelling with hot water, and excellent durability, as well as a block copolymer forming the proton exchange membrane, and a composition, a molded product, a fuel cell proton exchange membrane electrode assembly, and a fuel cell.[Solving Means] (1) A block copolymer having a hydrophilic segment and a hydrophobic segment and having a structure expressed by Chemical Formula 1 belowindependently represents divalent aromatic group, and each of n and m independently represents an integer from 2 to 100), and a molded product, a composition, and a proton exchange membrane, as well as a fuel cell including the proton exchange membrane.
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