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

被引：79

作者：

Guidotti, M

Ravasio, N

Psaro, R

Gianotti, E

Coluccia, S

Marchese, L

机构：

[1] CNR, ISTM, Ctr CIMAINA, I-20133 Milan, Italy

[2] Dip Chim Inorgan Met Organ & Analit, I-20133 Milan, Italy

[3] Univ Turin, IFM, Dipartimento Chim, I-10125 Turin, Italy

[4] Univ Piemonte Orientale, Dipartimento Sci & Tecnol Avanzate, I-15100 Alessandria, Italy

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2006年 / 250卷 / 1-2期

关键词：

catalytic epoxidation; fatty acid methyl ester; mesoporous solids; renewable raw materials; titanium catalysts;

D O I：

10.1016/j.molcata.2006.01.032

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：218 / 225

页数：8

共 37 条

[1] Origins, current status, and future challenges of green chemistry [J].