Epoxidation of unsaturated FAMEs obtained from vegetable source over Ti(IV)-grafted silica catalysts: A comparison between ordered and non-ordered mesoporous materials (Articolo in rivista)

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  • Epoxidation of unsaturated FAMEs obtained from vegetable source over Ti(IV)-grafted silica catalysts: A comparison between ordered and non-ordered mesoporous materials (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.molcata.2006.01.032 (literal)
Alternative label
  • Guidotti M.; Ravasio N.; Psaro R.; Gianotti E.; Coluccia S.; Marchese L. (2006)
    Epoxidation of unsaturated FAMEs obtained from vegetable source over Ti(IV)-grafted silica catalysts: A comparison between ordered and non-ordered mesoporous materials
    in Journal of molecular catalysis. A, Chemical (Online); Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Guidotti M.; Ravasio N.; Psaro R.; Gianotti E.; Coluccia S.; Marchese L. (literal)
Pagina inizio
  • 218 (literal)
Pagina fine
  • 225 (literal)
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  • 250 (literal)
Rivista
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  • 8 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a CNR-ISTM, Centro CIMAINA and Dip. Chimica Inorganica, Metallorganica e Analitica, via G. Venezian 21, 20133 Milano, Italy b Dipartimento di Chimica IFM, Universit`a di Torino, via P. Giuria 7, 10125 Torino, Italy c Dipartimento di Scienze e Tecnologie Avanzate, Universit`a del Piemonte Orientale, via V. Bellini 25/G, 15100 Alessandria, Italy (literal)
Titolo
  • Epoxidation of unsaturated FAMEs obtained from vegetable source over Ti(IV)-grafted silica catalysts: A comparison between ordered and non-ordered mesoporous materials (literal)
Abstract
  • The liquid-phase epoxidation of mixtures of fatty acid methyl esters (FAMEs) over titanium-containing silica materials, using tertbutylhydroperoxide (TBHP) as oxidant, is here reported. The mixtures were obtained from vegetable renewable source, i.e. from high-oleic sunflower oil, coriander oil, castor oil and soya-bean oil. The influence of the nature and the position of functional groups on the C-18 chain of the FAMEs was studied. Very high activity and selectivity were obtained in the epoxidation of castor and soya-bean oil methyl esters in a reaction medium free from organic acids. Ti-MCM-41 (an ordered mesoporous titanium-grafted silica) displayed in this case, for the first time, superior performances, from a synthetic point of view, with respect to non-ordered mesoporous titanosilicates. (literal)
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