POLYELECTROLYTE FILM

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United States of America Patent

APP PUB NO 20150228994A1
SERIAL NO

14422200

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Abstract

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Provided is a polymer electrolyte membrane that is formed of a fluorine free material, is soft and hardly cracks, and is excellent in hot water resistance. The polymer electrolyte membrane is obtained by crosslinking a block copolymer (Z) containing a polymer block (A) containing a structural unit derived from an aromatic vinyl compound and having an ion-conducting group; and an amorphous polymer block (B) containing a structural unit derived from an unsaturated aliphatic hydrocarbon and free of any ion-conducting group, the block copolymer (Z) being crosslinked with a crosslinking agent (X) having, in a molecule thereof, two or more aromatic rings of which one or more hydrogen atoms are substituted with hydroxy groups.

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Patent Owner(s)

Patent OwnerAddress
KURARAY CO LTDOKAYAMA COUNTY KURASHIKI JAPAN 1621 TIMES KURASHIKI OKAYAMA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ede, Sayaka Tsukuba-shi, JP 1 2
Ono, Tomohiro Tsukuba-shi, JP 84 714
Sugoh, Nozomu Tsukuba-shi, JP 6 44
Toshinari, Kenta Tsukuba-shi, JP 5 2
Yamashita, Taketomo Tsukuba-shi, JP 7 5

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