Peculiar catalytic properties of oxide glass-(ceramics) in epoxidation reactions

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F24%3A39921748" target="_blank" >RIV/00216275:25310/24:39921748 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0022309323006452?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0022309323006452?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jnoncrysol.2023.122780" target="_blank" >10.1016/j.jnoncrysol.2023.122780</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Peculiar catalytic properties of oxide glass-(ceramics) in epoxidation reactions

Popis výsledku v původním jazyce

Glass-(ceramic) samples were prepared by melting mixtures of Na2O-V2O5-(Al2O3)-P2O5-Nb2O5 in various molar ratios, and their catalytic performances were correlated to the structural, thermal, and electrical properties. The catalysts were tested in an epoxidation reaction, with tert‑butyl hydroperoxide in decane and water as oxidants. Samples containing the highest vanadium content are highlighted as the best catalysts (cyclooctene conversion 70–90 %), highly selective towards the desired epoxide (70–80 %). At the same time, high electrical conductivity is observed with the value of ~10–5 S cm–1 @30 oC, which is 4–6 orders of magnitude higher in comparison to other studied samples.

Název v anglickém jazyce

Peculiar catalytic properties of oxide glass-(ceramics) in epoxidation reactions

Popis výsledku anglicky

Glass-(ceramic) samples were prepared by melting mixtures of Na2O-V2O5-(Al2O3)-P2O5-Nb2O5 in various molar ratios, and their catalytic performances were correlated to the structural, thermal, and electrical properties. The catalysts were tested in an epoxidation reaction, with tert‑butyl hydroperoxide in decane and water as oxidants. Samples containing the highest vanadium content are highlighted as the best catalysts (cyclooctene conversion 70–90 %), highly selective towards the desired epoxide (70–80 %). At the same time, high electrical conductivity is observed with the value of ~10–5 S cm–1 @30 oC, which is 4–6 orders of magnitude higher in comparison to other studied samples.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Non-Crystalline Solids

ISSN

0022-3093

e-ISSN

1873-4812

Svazek periodika

626

Číslo periodika v rámci svazku

February 2024

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

5

Strana od-do

122780

Kód UT WoS článku

001146239900001

EID výsledku v databázi Scopus

2-s2.0-85181037906