Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Junpei Miyake"'
Autor:
Junpei Miyake, Takayuki Watanabe, Haruhiko Shintani, Yasushi Sugawara, Makoto Uchida, Kenji Miyatake
Publikováno v:
ACS Materials Au, Vol 1, Iss 1, Pp 81-88 (2021)
Externí odkaz:
https://doaj.org/article/06904d7d34084861b9bd88d53e018d39
Autor:
Mizuki Ozawa, Taro Kimura, Kanji Otsuji, Ryo Akiyama, Junpei Miyake, Makoto Uchida, Junji Inukai, Kenji Miyatake
Publikováno v:
ACS Omega, Vol 3, Iss 11, Pp 16143-16149 (2018)
Externí odkaz:
https://doaj.org/article/4103f4d4d9b04b8788979a71f2179a63
Publikováno v:
ACS Omega, Vol 3, Iss 1, Pp 259-265 (2018)
Externí odkaz:
https://doaj.org/article/4d0c3b37ac2a40a6a0f43f3a09cc99fc
Autor:
Kenji Miyatake, Makoto Uchida, Takayuki Watanabe, Haruhiko Shintani, Junpei Miyake, Yasushi Sugawara
Publikováno v:
ACS Materials Au, Vol 1, Iss 1, Pp 81-88 (2021)
We report on the preparation of reinforced membranes (SPP-QP-PE, where SPP stands for sulfonated polyphenylene), composed of an in-house proton-conductive polyphenylene ionomer (SPP-QP) and a flexi...
Publikováno v:
Polymer Chemistry. 12:6101-6109
Sulfonated poly(para-phenylene)s with a high molecular weight and membrane forming capability were obtained by using methyl and trifluoromethyl substituents. The linearity of the polymer main chain decreased by introducing these substituents; the per
Autor:
Junpei Miyake, Hiroshi Arima, Shin-ichi Takata, Toshiya Otomo, Kosuke Hiroi, Keisuke Shiino, Takeshi Yamada, Kenji Miyatake
Publikováno v:
ACS Applied Polymer Materials. 2:5558-5565
To achieve high-performance proton-exchange membranes (PEMs), understanding of the polymer structure/property relationship is crucial. In particular, the structure of water clusters (number, size, ...
Publikováno v:
Bulletin of the Chemical Society of Japan. 93:338-344
We herein report a series of sulfonated poly(arylene perfluoroalkylene) terpolymers (SPAF-P) containing sulfophenylene, perfluoroalkylene, and meta- or para-phenylene groups in the main chain. The ...
Autor:
Akinobu Matsumoto, Kenji Miyatake, Taro Kimura, Junpei Miyake, Takatoshi Sawano, Ibuki Hosaka
Publikováno v:
Bulletin of the Chemical Society of Japan. 93:393-398
The versatility of the synthesis of sulfonated aromatic polymers using NiBr2 was investigated. The copolymerization of sulfo-dichlorobenzene protected with a neopentyl group was carried out with ch...
Publikováno v:
Journal of Materials Chemistry A. 8:12134-12140
For proton exchange membrane fuel cell applications, poly(arylene perfluoroalkylene)-based ionomers containing densely sulfonated quinquephenylene groups in the main chain (SPAF–QP) are synthesized. The combination of highly hydrophobic perfluoroal
Publikováno v:
ACS Applied Energy Materials. 2:7527-7534
The six kinds of sulfonated poly(arylene perfluoroalkylene) (SPAF) ionomers with pendant multi-sulfophenylene groups were designed and synthesized to apply to fuel cells as proton exchange membrane...