Kaolinite-pyridine intercalation compound derived from hydrated kaolinite

Yoshiyuki Sugahara; Shigeo Satokawa; Ken Ichi Yoshioka; Kazuyuki Kuroda; Chuzo Kato

doi:10.1346/CCMN.1989.0370205

Kaolinite-pyridine intercalation compound derived from hydrated kaolinite

Yoshiyuki Sugahara, Shigeo Satokawa, Ken Ichi Yoshioka, Kazuyuki Kuroda, Chuzo Kato

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

A kaolinite-pyridine intercalation compound was prepared using hydrated kaolinite as an intermediate. Hydrated kaolinite having a basal spacing of 10 angstrom was treated with pyridine to form a well-ordered intercalation compound having a basal spacing of 12.0 angstrom. Infrared spectroscopy indicated the presence of hydrogen bonding between the hydroxyls of the kaolinite and the pyridine. ²⁹Si nuclear magnetic resonance spectroscopy with cross polarization and magic-angle spinning revealed that intercalated pyridine affected the environment of silicon. The mono-substituted pyridine derivatives were also intercalated with hydrated kaolinite. On the basis of the basal spacings of the intercalation compounds and the stabilities of the derivatives between the layers, the pyridine appeared to be in an approximately perpendicular position, with the nitrogen facing the gibbsitic sheets.

Original language	English
Pages (from-to)	143-150
Number of pages	8
Journal	Clays and Clay Minerals
Volume	37
Issue number	2
DOIs	https://doi.org/10.1346/CCMN.1989.0370205
Publication status	Published - 1989

ASJC Scopus subject areas

Water Science and Technology
Soil Science
Geochemistry and Petrology
Earth and Planetary Sciences (miscellaneous)

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10.1346/CCMN.1989.0370205

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abstract = "A kaolinite-pyridine intercalation compound was prepared using hydrated kaolinite as an intermediate. Hydrated kaolinite having a basal spacing of 10 angstrom was treated with pyridine to form a well-ordered intercalation compound having a basal spacing of 12.0 angstrom. Infrared spectroscopy indicated the presence of hydrogen bonding between the hydroxyls of the kaolinite and the pyridine. 29Si nuclear magnetic resonance spectroscopy with cross polarization and magic-angle spinning revealed that intercalated pyridine affected the environment of silicon. The mono-substituted pyridine derivatives were also intercalated with hydrated kaolinite. On the basis of the basal spacings of the intercalation compounds and the stabilities of the derivatives between the layers, the pyridine appeared to be in an approximately perpendicular position, with the nitrogen facing the gibbsitic sheets.",

author = "Yoshiyuki Sugahara and Shigeo Satokawa and Yoshioka, {Ken Ichi} and Kazuyuki Kuroda and Chuzo Kato",

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T1 - Kaolinite-pyridine intercalation compound derived from hydrated kaolinite

AU - Sugahara, Yoshiyuki

AU - Satokawa, Shigeo

AU - Yoshioka, Ken Ichi

AU - Kuroda, Kazuyuki

AU - Kato, Chuzo

PY - 1989

Y1 - 1989

N2 - A kaolinite-pyridine intercalation compound was prepared using hydrated kaolinite as an intermediate. Hydrated kaolinite having a basal spacing of 10 angstrom was treated with pyridine to form a well-ordered intercalation compound having a basal spacing of 12.0 angstrom. Infrared spectroscopy indicated the presence of hydrogen bonding between the hydroxyls of the kaolinite and the pyridine. 29Si nuclear magnetic resonance spectroscopy with cross polarization and magic-angle spinning revealed that intercalated pyridine affected the environment of silicon. The mono-substituted pyridine derivatives were also intercalated with hydrated kaolinite. On the basis of the basal spacings of the intercalation compounds and the stabilities of the derivatives between the layers, the pyridine appeared to be in an approximately perpendicular position, with the nitrogen facing the gibbsitic sheets.

AB - A kaolinite-pyridine intercalation compound was prepared using hydrated kaolinite as an intermediate. Hydrated kaolinite having a basal spacing of 10 angstrom was treated with pyridine to form a well-ordered intercalation compound having a basal spacing of 12.0 angstrom. Infrared spectroscopy indicated the presence of hydrogen bonding between the hydroxyls of the kaolinite and the pyridine. 29Si nuclear magnetic resonance spectroscopy with cross polarization and magic-angle spinning revealed that intercalated pyridine affected the environment of silicon. The mono-substituted pyridine derivatives were also intercalated with hydrated kaolinite. On the basis of the basal spacings of the intercalation compounds and the stabilities of the derivatives between the layers, the pyridine appeared to be in an approximately perpendicular position, with the nitrogen facing the gibbsitic sheets.

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