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@proceedings{1401364,
author = {Pinkas, Jiří and Holmanová, Kateřina and Macháč, Petr and Stýskalík, Aleš and Moravec, Zdeněk},
booktitle = {SOL-GEL 2017 Conference, Liege, Belgium, 2017},
keywords = {Non-hydrolytic; sol-gel; aluminosilicate; aluminophosphate},
language = {eng},
title = {Non-hydrolytic synthesis of porous aluminosilicates and –phosphates},
year = {2017}
}
TY - CONF
ID - 1401364
AU - Pinkas, Jiří - Holmanová, Kateřina - Macháč, Petr - Stýskalík, Aleš - Moravec, Zdeněk
PY - 2017
TI - Non-hydrolytic synthesis of porous aluminosilicates and –phosphates
KW - Non-hydrolytic
KW - sol-gel
KW - aluminosilicate
KW - aluminophosphate
N2 - Non-hydrolytic sol-gel reactions [1] are used for the synthesis of multimetallic mesoporous oxide catalysts [2], crystalline nanoparticles [3], and hybrid materials [4]. They are alternatives to classical aqueous techniques. We developed non-hydrolytic sol-gel routes based on acetamide and acetic acid ester elimination providing aluminosilicate and –phosphate materials and related hybrid inorganic-organic materials. The polycondensation reactions between Al(NMe2)3 and Si(OAc)4 lead to aluminosilicates and the reactions of Al(NMe2)3 or AlCl3 with OP(OSiMe3)3 lead to porous aluminophosphate xerogels with high surface areas (up to 1000 m2 g-1). The structure of xerogels is built from Si-O-Al and Al-O-P bonds. We used pore generating agents, such as Pluronic P123 and F127 added into the reaction mixture during gelation to produce mesoporous xerogels. After burning out of templates at 500 oC the samples are mesoporous with surface areas above 400 m2 g-1. The prepared xerogels and calcined samples were characterized by solid-state 13C, 27Al, 29Si, 31P NMR, IR, surface area analysis, TGA, SEM, and XRD.
ER -
PINKAS, Jiří, Kateřina HOLMANOVÁ, Petr MACHÁČ, Aleš STÝSKALÍK a Zdeněk MORAVEC. Non-hydrolytic synthesis of porous aluminosilicates and –phosphates. Online. In \textit{SOL-GEL 2017 Conference, Liege, Belgium, 2017}. 2017, [citováno 2024-04-24]
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