Chapter 71. Unconventional Solvents for Hydrolysis of Tetramethoxysilane

  1. Prof. Norbert Auner2 and
  2. Prof. Johann Weis3
  1. Petra E. Ritzenhoff and
  2. Heinrich C. Marsmann

Published Online: 28 APR 2008

DOI: 10.1002/9783527619917.ch71

Organosilicon Chemistry IV: From Molecules to Materials

Organosilicon Chemistry IV: From Molecules to Materials

How to Cite

Ritzenhoff, P. E. and Marsmann, H. C. (2000) Unconventional Solvents for Hydrolysis of Tetramethoxysilane, in Organosilicon Chemistry IV: From Molecules to Materials (eds N. Auner and J. Weis), Wiley-VCH Verlag GmbH, Weinheim, Germany. doi: 10.1002/9783527619917.ch71

Editor Information

  1. 2

    Inst. für Anorganische Chemie, der Universität Frankfurt, Marie-Curie-Strasse 11, D-60439 Frankfurt am Main, Germany, Phone: 0 69/7 98-29180, -29591, Fax: 069/798-29188

  2. 3

    Wacker-Chemie GmbH, Geschäftsbereich S, Werk Burghausen, Johannes-Hess-Strasse 24, D-84489 Burghausen, Germany

Author Information

  1. Anorganische Chemie Universität-Gesamthochschule Paderborn Warburger Str. 100, D-33098 Paderborn, Germany Tel.: Int. code + (5251)60 2571

Publication History

  1. Published Online: 28 APR 2008
  2. Published Print: 17 JAN 2000

ISBN Information

Print ISBN: 9783527298549

Online ISBN: 9783527619917

SEARCH

Keywords:

  • sol-gel process;
  • TMOS;
  • solvent;
  • 29Si-MAS-NMR Spectroscopy

Summary

Xerogels were prepared from TMOS with three different, and without, catalysts. The reaction was carried out in solvents with different polarity. The distribution of structural units was studied by 29Si-MAS-NMR spectroscopy. The ratio of the Q3/Q4 building units increases with the dielectric constant ϵτ of the solvent in all cases. Pore size distributions were determined by nitrogen adsorption. In most cases a correlation between the Q3/Q4 ratio and the pore size could be found.