Combined Alkyl and Sulfonic Acid Functionalization of MCM-41-Type Silica: Part 1. Synthesis and Characterization
作者： Isabel Dı́az , Carlos Márquez-Alvarez , Federico Mohino , Joaquı́n Pérez-Pariente , Enrique Sastre
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摘要: 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 gels a mixture dodecyl hexadecyltrimethylammonium surfactants. A wide range conditions studied in order to optimize the pore arrangement vary alkyl/mercaptopropyl ratio product. number characterization techniques suggest that anchored organic fragments lined wall channels close-packed configuration. The mercaptopropyl can be oxidized with hydrogen peroxide sulfonic acid high retention sulfur no loss methyl groups.
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