Syntheses of Highly Ordered Mesoporous Materials, FSM-16, Derived from Kanemite

Shinji Inagaki*, Akihiko Koiwai, Noritomo Suzuki, Yoshiaki Fukushima, Kazuyuki Kuroda

*この研究の対応する著者

研究成果: Article査読

394 被引用数 (Scopus)

抄録

The synthetic conditions of highly ordered and thermally stable mesoporous molecular sieves from a layered silicate kanemite are established. We divided the formation process of the mesoporous materials from kanemite into two elemental processes: i) exchange of Na+ in the interlayer of kanemite for alkyltrimethylammonium cations and ii) condensation of silicates and formation of a three dimensional silicate framework. Higher pH (over 11.5) at the cation-exchange process and the subsequent pH adjustment at 8.5 at the condensation process were best suited for the formation of mesoporous products with high regularity and thermal stability. Removal of partially dissolved kanemite during the cation-exchange process avoided the formation of amorphous materials as a by-product. Structures of some intermediate silicate/surfactant complexes supported the proposed folded sheets mechanism for the formation of the mesoporous molecular sieves. Syntheses by using alkyltrimethylammonium with different alkyl-chain lengths are also reported.

本文言語English
ページ(範囲)1449-1457
ページ数9
ジャーナルBulletin of the Chemical Society of Japan
69
5
DOI
出版ステータスPublished - 1996 5

ASJC Scopus subject areas

  • 化学 (全般)

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