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An energy-efficient route to the rapid synthesis of organically-modified SBA-15 via ultrasonic template removal
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Pirez, Cyril, Wilson, Karen and Lee, Adam F. (2014) An energy-efficient route to the rapid synthesis of organically-modified SBA-15 via ultrasonic template removal. Green Chemistry, Volume 16 (Number 1). pp. 197-202. doi:10.1039/c3gc40474a ISSN 1463-9262.
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Official URL: http://dx.doi.org/10.1039/C3GC40474A
Abstract
A low energy route for the removal of Pluronic P123 surfactant template during the synthesis of SBA-15 mesoporous silicas is explored. The conventional reflux of the hybrid inorganic–organic intermediate formed during co-condensation routes to Pr-SO3H-SBA-15 is slow, utilises large solvent volumes, and requires 24 h to remove [similar]90% of the organic template. In contrast, room temperature ultrasonication in a small methanol volume achieves the same degree of template extraction in only 5 min, with a 99.9% energy saving and 90% solvent reduction, without compromising the textural, acidic or catalytic properties of the resultant Pr-SO3H-SBA-15.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Journal or Publication Title: | Green Chemistry | ||||
Publisher: | Royal Society of Chemistry | ||||
ISSN: | 1463-9262 | ||||
Official Date: | 2014 | ||||
Dates: |
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Volume: | Volume 16 | ||||
Number: | Number 1 | ||||
Page Range: | pp. 197-202 | ||||
DOI: | 10.1039/c3gc40474a | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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