Monophasic Pre-Mullite Gels Prepared by a Nonhydrolytic Process

MRS Online Proceedings Library volume 346, pages345–350(1994)Cite this article

Abstract

A nonhydrolytic sol-gel route to aluminosilicates is proposed which avoids the problems associated with different hydrolysis rates for the precursors. Two pre-mullite gels (Al2O3/SiO2=3/2) were prepared in two different ways. The conversion to mullite was studied as a probe for chemical homogeneity. The results indicate that a monophasic precursor (i.e. homogeneous at the atomic level) may be easily obtained by etherolysis of a mixture of SiCl4 and AlCl3.

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Affiliations

  1. Laboratoire Mixte CNRS / Rhône-Poulenc, Université de Montpellier II, case 007, F34095, Montpellier Cedex 05, France

    Sylvie Acosta, Robert J. P. Corriu, Dominique Leclercq, P. Hubert Mutin & Andre Vioux

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  1. Sylvie Acosta
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  2. Robert J. P. Corriu
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  3. Dominique Leclercq
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  4. P. Hubert Mutin
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  5. Andre Vioux
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Correspondence to Sylvie Acosta.

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Acosta, S., Corriu, R.J.P., Leclercq, D. et al. Monophasic Pre-Mullite Gels Prepared by a Nonhydrolytic Process. MRS Online Proceedings Library 346, 345–350 (1994). https://doi.org/10.1557/PROC-346-345

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