ChemInform Abstract: Synthesis, Modification, and Catalytic Properties of Layered Silicates: Kanemite and Magadiite

Térres‐Rojas, Eduardo; Dominguez, J. M.; Leyva, Marco A.; Salas, Reinardo; López, Elisa García

doi:10.1002/chin.199714233

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“…Nevertheless, on the basis of various diffraction (XRD) and spectroscopic techniques (NMR, IR and Raman), it has been assumed that each silicate layer in Na-magadiite may consist of three silicate sheets with a combination of five-and six-membered rings. 29,30 All these layered silicates (kanemite, ilerite, and magadiite) [31][32][33][34] can be synthesized under conventional hydrothermal synthesis conditions using various silica sources, sodium hydroxide and water. SEM images of these layered sodium silicates are shown in Fig.…”

Section: Layered Silicatesmentioning

confidence: 99%

Reactivity and applications of layered silicates and layered double hydroxides

2014

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Layered materials, such as layered sodium silicates and layered double hydroxides (LDHs), are well-known for their remarkable adsorption, intercalation and swelling properties. Their tunable interlayers offer an interesting avenue for the fabrication of pillared nanoporous materials, organic-inorganic hybrid materials and catalysts or catalyst supports. This perspective article provides a summary of the reactivity and applications of layered materials including aluminium-free layered sodium silicates (kanemite, ilerite (RUB-18 or octosilicate) and magadiite) and layered double hydroxides (LDHs). Recent developments in the use of layered sodium silicates as precursors for the preparation of various porous, functional and catalytic materials including zeolites, mesoporous materials, pillared layered silicates, organic-inorganic nanocomposites and synthesis of highly dispersed nanoparticles supported on silica are reviewed in detail. Along this perspective, we have attempted to illustrate the reactivity and transformational potential of LDHs in order to deduce the main differences and similarities between these two types of layered materials.

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