Remarkable influence of the preparation method on the gelation ability of a cholesterol-based isocyanuric acid-2,4,6-triaminopyrimidine pair. Does the formation of a 'molecular tape' contribute to the gelation?

Sang Won Jeong, Seiji Shinkai

研究成果: ジャーナルへの寄稿学術誌査読

45 被引用数 (Scopus)

抄録

The gelation system of a 1:1 mixture of cholesterol-containing isocyanuric acid (1) and cholesterol-containing 2,4,6-triaminopyrimidine (2) in organic fluids was investigated to understand the gelation mechanism. A series of gelation tests have shown that the gelation is remarkably dependent upon the cooling rate of the mixture solution as well as the nature of solvents and concentrations. The investigation using FT-IR revealed that the mismatched hydrogen-bonding interaction between (1) and (2) is responsible for the gelation and well defined hydrogen-bonding interaction such as a 'molecular tape' rather results in coprecipitation. It was confirmed by the gelation test of two-faced (1) and (2) with the complementary single-faced compounds that the gel is constructed by the three-dimensional network through an irregular hydrogen-bonding interaction.

本文言語英語
ページ(範囲)179-185
ページ数7
ジャーナルNanotechnology
8
4
DOI
出版ステータス出版済み - 12月 1 1997
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • バイオエンジニアリング
  • 化学 (全般)
  • 材料科学(全般)
  • 材料力学
  • 機械工学
  • 電子工学および電気工学

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