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FR3114317B1 - Métallo-oxydes nanoparticulaires monolithiques à porosité multi-échelles - Google Patents

Métallo-oxydes nanoparticulaires monolithiques à porosité multi-échelles Download PDF

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Publication number
FR3114317B1
FR3114317B1 FR2009497A FR2009497A FR3114317B1 FR 3114317 B1 FR3114317 B1 FR 3114317B1 FR 2009497 A FR2009497 A FR 2009497A FR 2009497 A FR2009497 A FR 2009497A FR 3114317 B1 FR3114317 B1 FR 3114317B1
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Prior art keywords
oxides
metallo
monolithic
scale porosity
nanoparticle
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FR3114317A1 (fr
Inventor
Rénal Backov
Vang, (Épouse Ly) Isabelle
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Centre National de la Recherche Scientifique CNRS
Universite de Bordeaux
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Centre National de la Recherche Scientifique CNRS
Universite de Bordeaux
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Priority to FR2009497A priority Critical patent/FR3114317B1/fr
Priority to PCT/EP2021/075529 priority patent/WO2022058449A1/fr
Priority to EP21777536.0A priority patent/EP4214177A1/fr
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
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Abstract

Métallo - oxydes nanoparticulaires monolithiques à porosité multi-échelles Procédé de préparation d’un monolithe d’oxydes mixtes nanoparticulaires à porosité multi-échelle de formule (I) MOxSiO2 (I) dans laquelle M représente un métal ou un métalloïde choisi dans le groupe comprenant Cr, Co, Mn, Ni, Ce, V, Y, W, Nb, Mo, Fe, Zn, Ta, Sn, Cd, Cu et In et x représente le rapport molaire M/Si et est un nombre compris entre 0,05 et 0,57 , ledit procédé comprenant une étape d’émulsification d’une phase huileuse dans une phase aqueuse homogène acide, ladite phase aqueuse comprenant un tensioactif cationique, au moins un sel métallique précurseur d’oxyde métallique et un précurseur de silice, une étape de polycondensation, une étape d’élimination de la phase huileuse par un traitement d’une nuit par du dichlorométhane et une étape de calcination à une température comprise entre 500 et 700 °C.
FR2009497A 2020-09-18 2020-09-18 Métallo-oxydes nanoparticulaires monolithiques à porosité multi-échelles Active FR3114317B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2009497A FR3114317B1 (fr) 2020-09-18 2020-09-18 Métallo-oxydes nanoparticulaires monolithiques à porosité multi-échelles
PCT/EP2021/075529 WO2022058449A1 (fr) 2020-09-18 2021-09-16 Metallo-oxydes nanoparticulaires monolithiques a porosite multi-echelles
EP21777536.0A EP4214177A1 (fr) 2020-09-18 2021-09-16 Metallo-oxydes nanoparticulaires monolithiques a porosite multi-echelles

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Application Number Priority Date Filing Date Title
FR2009497 2020-09-18
FR2009497A FR3114317B1 (fr) 2020-09-18 2020-09-18 Métallo-oxydes nanoparticulaires monolithiques à porosité multi-échelles

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FR3114317A1 FR3114317A1 (fr) 2022-03-25
FR3114317B1 true FR3114317B1 (fr) 2022-09-23

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FR (1) FR3114317B1 (fr)
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Publication number Priority date Publication date Assignee Title
GB0201951D0 (en) * 2002-01-29 2002-03-13 Ici Plc Silica materials
EP1478605A1 (fr) * 2002-02-22 2004-11-24 HTE Aktiengesellschaft The High Throughput Experimentation Company Materiaux ceramiques monolithiques decomposables presentant une repartition au moins bimodale des pores et des sites metalliques actifs situes dans les pores
FR2852947B1 (fr) 2003-03-27 2005-06-03 Centre Nat Rech Scient Materiau inorganique a structure hierarchisee, et procede pour sa preparation
FR2965807B1 (fr) * 2010-10-11 2012-12-21 Centre Nat Rech Scient Procede de preparation de materiaux monolithiques inorganiques alveolaires et utilisations de ces materiaux
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FR3065650B1 (fr) * 2017-04-28 2019-06-28 IFP Energies Nouvelles Procede de reduction photocatalytique du dioxyde de carbone mettant en œuvre un photocatalyseur sous forme de monolithe poreux

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