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Título: | Combined alkyl and sulfonic acid functionalization of MCM-41-type silica. Part I. Synthesis and characterization |
Autor: | Díaz Carretero, Isabel CSIC ORCID ; Márquez Álvarez, Carlos CSIC ORCID ; Mohino, Federico; Pérez-Pariente, Joaquín CSIC ORCID ; Sastre, Enrique CSIC ORCID | Palabras clave: | MCM-41 Mesoporous acid catalysts Sulfonic acid Fatty acids Selective esterification Monoglyceride |
Fecha de publicación: | 2000 | Editor: | Elsevier | Citación: | Journal of Catalysis | Resumen: | Single-step synthesis of well ordered, MCM-41 materials containing simultaneously alkyl (methyl or propyl) and 3-mercaptopropyl groups has been carried out by hydrothermal treatment of gels containing a mixture of dodecyl and hexadecyltrimethylammonium surfactants. A wide range of synthesis conditions has been studied in order to optimize the pore arrangement and to vary the alkyl/mercaptopropyl ratio of the product. A number of characterization techniques suggest that the anchored organic fragments lined the wall channels of the MCM-41 in a close-packed configuration. The mercaptopropyl groups can be oxidized with hydrogen peroxide to sulfonic acid with a high retention of sulfur and no loss of methyl groups | Versión del editor: | http://dx.doi.org/10.1006/jcat.2000.2899 | URI: | 10261/12029 | DOI: | 10.1006/jcat.2000.2898 | ISSN: | 0021-9517 |
Aparece en las colecciones: | (ICP) Artículos |
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JCAT-00-003P.pdf | 767 kB | Adobe PDF | Visualizar/Abrir |
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