FTIR studie interakcí krotylalkoholu a kyseliny krotonové s SiO2, TiO2 a ZrO2

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

FTIR study on the interaction of crotyl alcohol and crotonic acid with SiO2, TiO2 and ZrO2

Popis výsledku v původním jazyce

The adsorption of crotyl alcohol and crotonic acid on SiO2, TiO2 and ZrO2 has been studied by FTIR spectroscopy. Crotyl alcohol was adsorbed mainly in a less stable molecular form (hydrogen-bonded crotyl alcohol) on the surfaces. The more stable surfacecompound (alkoxide) was also found during crotyl alcohol adsorption at room temperature on SiO2, TiO2, resp. ZrO2. Crotonaldehyde and consequently carboxylate were products of reaction between crotyl alcohol and active sites of ZrO2 surface at higher temperatures. During crotonic acid adsorption were indicated undissociated acid molecules and the formation of hydrogen-bonded acid with surface hydroxyls for all the studied oxides. Crotonic acid was easily dissociated to form the surface carboxylate species on ZrO2.

Název v anglickém jazyce

FTIR study on the interaction of crotyl alcohol and crotonic acid with SiO2, TiO2 and ZrO2

Popis výsledku anglicky

The adsorption of crotyl alcohol and crotonic acid on SiO2, TiO2 and ZrO2 has been studied by FTIR spectroscopy. Crotyl alcohol was adsorbed mainly in a less stable molecular form (hydrogen-bonded crotyl alcohol) on the surfaces. The more stable surfacecompound (alkoxide) was also found during crotyl alcohol adsorption at room temperature on SiO2, TiO2, resp. ZrO2. Crotonaldehyde and consequently carboxylate were products of reaction between crotyl alcohol and active sites of ZrO2 surface at higher temperatures. During crotonic acid adsorption were indicated undissociated acid molecules and the formation of hydrogen-bonded acid with surface hydroxyls for all the studied oxides. Crotonic acid was easily dissociated to form the surface carboxylate species on ZrO2.

Druh

D - Stať ve sborníku

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

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

Název statě ve sborníku

Sampling catalysis research in the Pannonian Region - Proceedings of the 8th Pannonian International Catalysis Symposium

ISBN

9630601389

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

179-183

Název nakladatele

Hungarian Zeolite Association

Místo vydání

Szeged, Hungary

Místo konání akce

Szeged, Hungary

Datum konání akce

4. 7. 2006

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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