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Title: Solubilization of decane into gemini surfactant with a modified Jeffamine backbone: Design of hierarchical porous silica
Author: May Masnou, Anna
Pasc, Andreea
Stébé, Marie José
Gutiérrez González, José María, 1953-
Porras Rodríguez, Montserrat
Blin, Jean-Luc
Keywords: Cristal·lografia
Diagrames de fase
Química de superfícies
Materials porosos
Phase diagrams
Surface chemistry
Porous materials
Issue Date: 2013
Publisher: University College London, Faculty of Mathematical and Physical Sciences, Department of Mathematics
Abstract: Herein, we have investigated the solubilization of decane into a novel nonionic gemini surfactant, myristoyl-end capped Jeffamine, synthesized from a polyoxyalkyleneamine (ED900). Starting from this system, porous silica materials have been prepared. Performing the hydrothermal treatment at low temperature, a slight increase of the mesopore diameter is observed in the presence of decane. Increasing the temperature of the hydrothermal treatment, no swelling effect of decane is detected. By contrast, the pore diameter decreases but better mesopore homogeneity and a larger wall thickness are obtained. At high decane concentration the new myristoyl-end capped Jeffamine/decane/water system forms oil-in-water emulsions, which are used as template for the formation of hierarchical porous silica materials.
Note: Versió postprint del document publicat a:
It is part of: Microporous and Mesoporous Materials, 2013, vol. 169, p. 235-241
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ISSN: 1387-1811
Appears in Collections:Articles publicats en revistes (Enginyeria Química i Química Analítica)

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