Design of temperature-responsive polymers with enhanced hysteresis: α,α-disubstituted vinyl polymers

Takeshi Mori, Suguru Beppu, Mohamed R. Berber, Hironori Mori, Takumi Makimura, Ayako Tsukamoto, Keiji Minagawa, Tomohiro Hirano, Masami Tanaka, Takuro Niidome, Yoshiki Katayama, Tatsuya Hirano, Yasushi Maeda

研究成果: ジャーナルへの寄稿記事

16 引用 (Scopus)

抄録

Three temperature-responsive polymers which are R,R-disubstituted vinyl polymers having two amphiphilic groups (ethylamide or ethylester) per monomeric unit were designed. Two of these polymers showed unusually large hysteresis in their phase transition temperatures between a heating and a cooling process. This hysteresis resulted from the extremely slow kinetics of the dissolution process of the aggregated polymer chains in the cooling process due to intraand interchain interactions including hydrogen bonding and hydrophobic interaction. The high density of the amphiphilic substituents on the polymer chain due to the α,α-disubstituted structure enhanced these intra- and interchain interactions. The large hysteresis was also observed in the volume change of a corresponding hydrogel. These new classes of temperature-responsive polymers are interesting materials because their large hystereses can be regarded as erasable memory function.

元の言語英語
ページ(範囲)9224-9232
ページ数9
ジャーナルLangmuir
26
発行部数12
DOI
出版物ステータス出版済み - 6 15 2010

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vinyl polymers
Hysteresis
Polymers
hysteresis
polymers
Temperature
temperature
cooling
Cooling
interactions
Hydrogel
dissolving
Hydrogels
Superconducting transition temperature
transition temperature
Hydrogen bonds
Dissolution
Phase transitions
heating
kinetics

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

これを引用

Mori, T., Beppu, S., Berber, M. R., Mori, H., Makimura, T., Tsukamoto, A., ... Maeda, Y. (2010). Design of temperature-responsive polymers with enhanced hysteresis: α,α-disubstituted vinyl polymers. Langmuir, 26(12), 9224-9232. https://doi.org/10.1021/la100020t

Design of temperature-responsive polymers with enhanced hysteresis : α,α-disubstituted vinyl polymers. / Mori, Takeshi; Beppu, Suguru; Berber, Mohamed R.; Mori, Hironori; Makimura, Takumi; Tsukamoto, Ayako; Minagawa, Keiji; Hirano, Tomohiro; Tanaka, Masami; Niidome, Takuro; Katayama, Yoshiki; Hirano, Tatsuya; Maeda, Yasushi.

:: Langmuir, 巻 26, 番号 12, 15.06.2010, p. 9224-9232.

研究成果: ジャーナルへの寄稿記事

Mori, T, Beppu, S, Berber, MR, Mori, H, Makimura, T, Tsukamoto, A, Minagawa, K, Hirano, T, Tanaka, M, Niidome, T, Katayama, Y, Hirano, T & Maeda, Y 2010, 'Design of temperature-responsive polymers with enhanced hysteresis: α,α-disubstituted vinyl polymers', Langmuir, 巻. 26, 番号 12, pp. 9224-9232. https://doi.org/10.1021/la100020t
Mori, Takeshi ; Beppu, Suguru ; Berber, Mohamed R. ; Mori, Hironori ; Makimura, Takumi ; Tsukamoto, Ayako ; Minagawa, Keiji ; Hirano, Tomohiro ; Tanaka, Masami ; Niidome, Takuro ; Katayama, Yoshiki ; Hirano, Tatsuya ; Maeda, Yasushi. / Design of temperature-responsive polymers with enhanced hysteresis : α,α-disubstituted vinyl polymers. :: Langmuir. 2010 ; 巻 26, 番号 12. pp. 9224-9232.
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