http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182282
Tailoring the Hydrophobic Character of Mesoporous Silica by Silylation for VOC Removal (Articolo in rivista)
- Type
- Label
- Tailoring the Hydrophobic Character of Mesoporous Silica by Silylation for VOC Removal (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1080/01496391003609155 (literal)
- Alternative label
Batonneau-Gener, I; Yonli, A; Trouve, A; Mignard, S; Guidotti, M; Sgobba, M (2010)
Tailoring the Hydrophobic Character of Mesoporous Silica by Silylation for VOC Removal
in Separation science and technology (Print); Dekker, New York (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Batonneau-Gener, I; Yonli, A; Trouve, A; Mignard, S; Guidotti, M; Sgobba, M (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Catalyse Chim Organ Lab, UMR6503, F-86022 Poitiers, France
Univ Milan, CNR, Dept Inorgan Chem, Milan, Italy (literal)
- Titolo
- Tailoring the Hydrophobic Character of Mesoporous Silica by Silylation for VOC Removal (literal)
- Abstract
- MCM-41 and non-ordered mesoporous silica were modified using hexamethyl-disilazane (HMDS). The hydrophobic and hydrophilic properties of grafted materials were studied and compared to a purely all silica BEA zeolite by using competitive and noncompetitive water toluene adsorption. A linear correlation between the silylation degree and the hydrophobicity measurements has been found for MCM-41 materials. Even if highly silylated MCM-41 material have more hydrophilic sites (silanol groups) than all silica zeolite, water molecule condensation is not observed because these sites are isolated. Thus, the highly silylated MCM-41 sample exhibits not only hydrophobicity 2.3 times higher than all silica BEA zeolite but also possesses a storage capacity for toluene and chlorobenzene 3 times higher than this zeolite. In competition with water, the organic molecule (toluene or chlorobenzene) adsorption is always favored even if water adsorption is enhanced by chlorobenzene polarity. (literal)
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