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A Novel Method for Synthesis of Ethylsilicates and its Applications
Corresponding Author(s) : Hossein Bayahia
Asian Journal of Chemistry,
Vol. 28 No. 12 (2016): Vol 28 Issue 12
Abstract
A new method of preparing tetraethoxysilane from silicon and ethanol is established. An alumina-supported copper oxide catalyst was used successfully to enhance the facile reaction of silicon with ethanol to produce tetraethoxysilane and hydrogen, avoiding any halosilane intermediate. Thus, a new effective catalyst is confirmed. The final reaction mixture, tetraethoxysilane is hydrolyzed in presence of a suitable base, acid, or both, to produce a mixture suitable for coating and binding refractory materials. Surface coatings based on ethyl silicate binders are categorized as inorganic coatings.
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References
K.D. Biddle, A.K. Das, K. Jones and H.G. Emblem, J. App. Chem. Biotechnol., 27, 565 (1977); doi:10.1002/jctb.5020270411.
V.G. Kessler and M.I. Yanovskaya, The Chemistry of Metal Alkoxides, Kluwer Academic, London (2002).
P.A. Shcheglov and D.V. Drobot, Russ. Chem. Bull., 54, 2247 (2005); doi:10.1007/s11172-006-0106-5.
D.C. Bradley, R.C. Mehrotra, I.P. Rothwell and A. Singh, Alkoxo Derivatives of Metals, Academic Press, London (2001).
H. Adam, Ph.D. Thesis, University of Elfashir (2011).
K. Chandran, R. Nithya, K. Sankaran, A. Gopalan and V. Ganesan, J. Bull. Mater. Sci., 29, 173 (2006); doi:10.1007/BF02704612.
Y.O. Omer, Ph.D. Thesis, University of Manchester (1989).
E.V. Suslova, N.Y. Turova, A.S. Mityaev, A.V. Kepman and S. Gohil, Russ. J. Inorg. Chem., 53, 665 (2008); doi:10.1134/S003602360805001X.
E.V. Suslova, N.Y. Turova, V.G. Kessler and A.I. Belokon, Russ. J. Inorg. Chem., 52, 1682 (2007); doi:10.1134/S0036023607110083.
M.G. Voronkov, J. Glass Phys. Chem., 35, 231 (2009); doi:10.1134/S1087659609030018.
M.E. Simonsen and E.G. Søgaard, J. Sol-Gel Sci. Technol., 53, 485 (2010); doi:10.1007/s10971-009-2121-0.
A.H.E. Yousif, O.Y. Alhussein, E.A.M. Elgorashi, M.S. Ali and W.I. Eldogdu, Int. J. Innov. Sci. Eng, Technol., 3, 259 (2016).
A. Hilonga, J.-K. Kim, P.B. Sarawade and H.T. Kim, J. Alloys Comp., 487, 744 (2009); doi:10.1016/j.jallcom.2009.08.055.
G. Parashar, D. Srivastava and P. Kumar, Prog. Org. Coat., 42, 1 (2001); doi:10.1016/S0300-9440(01)00128-X.
S. Satapathy, G.C. Mohanty and P.L. Nayak, Adv. Appl. Sci. Res., 3, 3981 (2012).