Intercalation of a triethylenetetraminated cyclodextrin by Na-, Ca-, Zn-, and Cu-montmorillonites.
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概要
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The uptake of mono[6-[(8-amino-3,6-diazaoctyl)amino]-6-deoxy]-β-cyclodextrin (CDtrien) by Na-, Ca-, Zn-, and Cu-montmorillonites has been examined at 25 °C. All of the minerals form only one intercalated phase in which the CDtrien molecules are arranged as a bilayer with their cavity axes perpendicular to the silicate layers. The modes of intercalation for Na- and Ca-montmorillonites are explained differently by an ion exchange of the interlayer Na<SUP>+</SUP> ions with the divalent cationic forms of CDtrien and by the formation of CDtrien(H<SUB>2</SUB>O)<SUB>2</SUB>–Ca complexes, respectively. The intercalation by Zn- and Cu-montmorillonites proceeds by complexation at low uptakes and by the combined modes of ion exchange and complexation at higher loadings.
- 公益社団法人 日本化学会の論文
著者
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KIJIMA Tsuyoshi
National Institute for Research in Inorganic Materials
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KOBAYASHI Michiko
National Institute for Research in Inorganic Materials
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Nakazawa Hiromoto
National Institute For Materials Science
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