The composition and thermal behavior of nanodispersed silica synthesized by micellar technology

The composition and thermal behavior of nanodispersed silica synthesized by micellar technology Morphology, particle size, and thermal behavior of silicic acid synthesized as gel by micellar technology were determined. It was found that the micellar synthesis using a smaller-molecule solvent, organic acid with shorter hydrocarbon (hydrophobic) part, as surfactant and silicate with smaller-radius cation yields silica gel with smaller particle size and, as consequence, increases silica dispersity. The differential thermal analysis of the synthesized silica gel showed that for samples with lesser particle size the phase transition temperatures are decreased by about 30–100°C. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

The composition and thermal behavior of nanodispersed silica synthesized by micellar technology

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Publisher
Springer US
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S107042721308003X
Publisher site
See Article on Publisher Site

Abstract

Morphology, particle size, and thermal behavior of silicic acid synthesized as gel by micellar technology were determined. It was found that the micellar synthesis using a smaller-molecule solvent, organic acid with shorter hydrocarbon (hydrophobic) part, as surfactant and silicate with smaller-radius cation yields silica gel with smaller particle size and, as consequence, increases silica dispersity. The differential thermal analysis of the synthesized silica gel showed that for samples with lesser particle size the phase transition temperatures are decreased by about 30–100°C.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Sep 29, 2013

References

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