NDLI: Functionalized mesoporous solids based on magadiite and [Al]-magadiite

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Moura, Hipassia M. Pastore, Heloise O.
Description	Author Affiliation: Moura HM ( Institute of Chemistry, University of Campinas, Monteiro Lobato St 270, CEP 13083 861, Campinas/São Paulo, Brazil. gpmmm@iqm.unicamp.br.)
Abstract	Novel hybrid mesoporous and functionalized materials with controllable surface area and pore dimensions with functional basic sites $(–NH_{2})$ were synthesized from magadiite and [Al]-magadiite as layered silicate precursors. The variable pore structure and properties of these materials were investigated in these solids by using different $CTA^{+}/Na^{+}$ $(CTA^{+}$ = cetyltrimethylammonium cation) molar ratios in the pre-modification step with aminopropyltriethoxysilane (APTS) and tetraethoxysilane (TEOS). Characterizations were carried out by different techniques to probe the effects of the amounts of interlayer surfactant in the synthesis of the pillared and/or grafted materials. The crystalline structures of magadiite and [Al]-magadiite layers were maintained as evidenced by FT-IR and SAED and contain pillars and aminopropyl groups in the interlayer space. The hybrid solids were compared to the pillared forms (H. M. Moura, F. A. Bonk and H. O. Pastore, Eur. J. Mineral., 2012, 24, 903) and to the aminopropyl-grafted forms and presented the properties of both solids with the $CO_{2}$ adsorption capability improved considerably.
ISSN	14779226
Issue Number	27
Journal	Dalton Trans.
Volume Number	43
e-ISSN	13645447
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2014-07-21
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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