Multiple-phase behavior and memory effect of polymer gel

Annaka Masahiko, R. Motokawa, T. Nakahira, M. Sugiyama, Kazuhiro Hara, T. Matsuura

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

A poly(4-acrylamidosalicylic acid) gel (PASA gel) exhibits multiple phases as characterized by distinct degrees of swelling; the gel can take one of four different swelling values, but none of the intermediate values. The gel has remarkable memory: the phase behavior of the gel depends on whether the gel has experienced the most swollen phase or the most collapsed phase in the immediate past. The information is stored and reversibly erased in the form of a macroscopic phase transition behavior. The structure factors corresponding to these four phases were obtained by SANS, which indicated the presence of characteristic structures depending on pH and temperature, particularly in the shrunken state.

本文言語英語
ジャーナルApplied Physics A: Materials Science and Processing
74
SUPPL.I
DOI
出版ステータス出版済み - 12 1 2002

All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 材料科学(全般)

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