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Synthesis of transparent silica aerogels using tetraalkylammonium fluoride catalysts

✍ Scribed by Evaggelos Economopoulos; Theophilos Ioannides

Publisher
Springer
Year
2008
Tongue
English
Weight
443 KB
Volume
49
Category
Article
ISSN
0928-0707

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Liquid phase benzoylation of activated as well as deactivated aromatics was carried out using silica gel supported FeCI 3 and benzotrichloride as a benzoylating agent. The catalyst was prepared by co-grinding FeCI 3 with silica gel in an agate mortar. The catalyst has a good shelf life of at least t