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Synthesis and Characterization of Mesoporous Silica Functionalized with Calix[]arene Derivatives
Authors:Sana M Alahmadi  Sharifah Mohamad  Mohd Jamil Maah
Affiliation:1.Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur 50603, Malaysia; E-Mails: (S.M.); (M.J.M.);2.Department of Chemistry, Faculty of Science, Taibah University, Almadina Almonwara 30001, Saudi Arabia
Abstract:This work reports a new method to covalently attach calix4]arene derivatives onto MCM-41, using a diisocyanate as a linker. The modified mesoporous silicates were characterized by fourier transform infrared spectroscopy (FTIR), thermal analysis (TGA) and elemental analysis. The FTIR spectra and TGA analysis verified that the calix4]arene derivates are covalently attached to the mesoporous silica. The preservation of the MCM-41 channel system was checked by X-ray diffraction and nitrogen adsorption analysis.
Keywords:MCM-41  calix[4]arene  p-Sulfonatocalix[4]arene  para-tert-butyl calix[4]arene
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