Multiple volume phase transition of nonionic thermosensitive gel

Hideya Kawasaki, Takato Nakamura, Keiichi Miyamoto, Masayuki Tokita, Takashi Komai

研究成果: Contribution to journalArticle査読

24 被引用数 (Scopus)


The volume phase transition is studied in the ternary system of the nonionic poly (N-normalpropylacrylamide) gel, water, and various alcohol. The gel shows a reentrant volume phase transition in all mixed solvent systems studied here. It is found that the phase transition is multiple in the mixed solvent systems of water-1-propanol and water-2-propanol. These results are discussed by the mean field theory in which the effects of the chain stiffening due to the adsorption of the solvent molecules are taken into account. These results strongly suggest that the adsorption and/or the desorption of the solvent molecules promote the multiple phase transition of the nonionic poly (N-normalpropylacrylamide) gel.

ジャーナルThe Journal of Chemical Physics
出版ステータス出版済み - 1 1 1995

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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