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Statements

Subject Item
n2:RIV%2F67985858%3A_____%2F10%3A00338944%21RIV10-AV0-67985858
rdf:type
skos:Concept n6:Vysledek
dcterms:description
Thermally stable sulfated zirconia catalysts were synthesized via a templating procedure and compared with standard zirconia materials prepared by precipitation without templates. Two preparation routes with various amphiphilic systems were employed as structure directing agents: synthesis with hexadecyltrimethyl ammonium bromide, and combined use of surfactant Brij-(A (R)) and triblock-copolymer Pluronic P123(A (R)). The formation of materials was characterized by use of TEM, SEM, X-ray diffraction as well as nitrogen adsorption and mercury intrusion techniques. Different self-assembling properties of the structure directing compounds led to sulfated zirconia materials exhibiting improved morphological and structural properties in terms of thermal stability, specific surface areas, pore diameters and porosity factors. Notably, hierarchical pore structures were obtained for the synthesis route via a combined use of Brij-56(A (R)) and P123(A (R)). Thermally stable sulfated zirconia catalysts were synthesized via a templating procedure and compared with standard zirconia materials prepared by precipitation without templates. Two preparation routes with various amphiphilic systems were employed as structure directing agents: synthesis with hexadecyltrimethyl ammonium bromide, and combined use of surfactant Brij-(A (R)) and triblock-copolymer Pluronic P123(A (R)). The formation of materials was characterized by use of TEM, SEM, X-ray diffraction as well as nitrogen adsorption and mercury intrusion techniques. Different self-assembling properties of the structure directing compounds led to sulfated zirconia materials exhibiting improved morphological and structural properties in terms of thermal stability, specific surface areas, pore diameters and porosity factors. Notably, hierarchical pore structures were obtained for the synthesis route via a combined use of Brij-56(A (R)) and P123(A (R)).
dcterms:title
Synthesis and Characterization of Nanostructured Sulfated Zirconias Synthesis and Characterization of Nanostructured Sulfated Zirconias
skos:prefLabel
Synthesis and Characterization of Nanostructured Sulfated Zirconias Synthesis and Characterization of Nanostructured Sulfated Zirconias
skos:notation
RIV/67985858:_____/10:00338944!RIV10-AV0-67985858
n3:aktivita
n15:Z
n3:aktivity
Z(AV0Z40720504)
n3:cisloPeriodika
1
n3:dodaniDat
n4:2010
n3:domaciTvurceVysledku
n9:9345531
n3:druhVysledku
n17:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
291465
n3:idVysledku
RIV/67985858:_____/10:00338944
n3:jazykVysledku
n7:eng
n3:klicovaSlova
sulfated zirconia; template assisted synthesis; porous materials
n3:klicoveSlovo
n10:template%20assisted%20synthesis n10:porous%20materials n10:sulfated%20zirconia
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[0CA96DDD234B]
n3:nazevZdroje
Journal of Sol-Gel Science and Technology
n3:obor
n12:CA
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n4:2010
n3:svazekPeriodika
53
n3:tvurceVysledku
Lutecki, M. Breitkopf, C. Werner, S. Šolcová, Olga
n3:wos
000273592700002
n3:zamer
n13:AV0Z40720504
s:issn
0928-0707
s:numberOfPages
8