Direct room-temperature synthesis of methyl-functionalized Ti-MCM-41 nanoparticles and their catalytic performance in epoxidation

Methyl-functionalized Ti-MCM-41 nanoparticles with a size of 80 to 160 nm (Me-Ti-MCM-41 NP) were directly prepared via a dilute solution route by the co-condensation of tetraethoxysilane and methylalkoxysilanes in sodium hydroxide medium at room temperature. The characterization results showed the e...

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Vydáno v:	Journal of catalysis Ročník 263; číslo 1; s. 75 - 82
Hlavní autoři:	Lin, Kaifeng, Pescarmona, Paolo P., Houthoofd, Kristof, Liang, Duoduo, Van Tendeloo, Gustaaf, Jacobs, Pierre A.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Amsterdam Elsevier Inc 01.04.2009 Elsevier Elsevier BV
Témata:	Aqueous H 2O 2 Catalysis Chemical synthesis Chemistry Colloidal state and disperse state Dilute solution route Epoxidation of cyclohexene Exact sciences and technology General and physical chemistry Methyl-functionalized Ti-MCM-41 nanoparticles Molecular structure Nanoparticles Physical and chemical studies. Granulometry. Electrokinetic phenomena Porous materials Shorter mesoporous channels tert-Butyl hydroperoxide Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Dilute solution route Shorter mesoporous channels Aqueous H 2O 2 Methyl-functionalized Ti-MCM-41 nanoparticles Epoxidation of cyclohexene tert-Butyl hydroperoxide Water Particle size Hydrogen peroxide Nanoparticle Washing Selectivity Condensation Porous material Sodium hydroxide Characterization Particle Synthesis Dilute solution Epoxidation Aqueous H2O2 Structure Catalytic reaction Organic hydroperoxide Reaction rate Mesoporosity Hydrolysis Heterogeneous catalysis Regeneration Epoxide Frequency Methylation Ethylenic compound Catalyst Room temperature
ISSN:	0021-9517, 1090-2694
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