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Issue 9, 2006
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Effective method for removal of polymeric template from SBA-16 silica combining extraction and temperature-controlled calcination

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Abstract

An effective method for the removal of polymeric template, which combines extraction and temperature-controlled calcination, is proposed to obtain high pore volume and large pore size ordered mesoporous silicas, SBA-16 (Im3m symmetry group), synthesized in the presence of sodium chloride at low acid concentrations using poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (Pluronic F127) as a structure directing agent and tetraethylorthosilicate as a silica source. The aforementioned materials were characterized by small angle X-ray powder diffraction, nitrogen adsorption, high resolution thermogravimetry and elemental analysis.

Graphical abstract: Effective method for removal of polymeric template from SBA-16 silica combining extraction and temperature-controlled calcination

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Publication details

The article was received on 10 Nov 2005, accepted on 06 Dec 2005 and first published on 19 Dec 2005


Article type: Paper
DOI: 10.1039/B515975J
Citation: J. Mater. Chem., 2006,16, 819-823
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    Effective method for removal of polymeric template from SBA-16 silica combining extraction and temperature-controlled calcination

    R. M. Grudzien, B. E. Grabicka and M. Jaroniec, J. Mater. Chem., 2006, 16, 819
    DOI: 10.1039/B515975J

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