Theoretical and Experimental Chemistry

, Volume 22, Issue 3, pp 365–368 | Cite as

29Si NMR study of the surface of pyrogenic silica modified by methylchlorosilanes

  • V. V. Brei
  • Yu. I. Gorlov
  • A. A. Chuiko
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Abstract

Cross-polarization 29Si NMR spectra have been used for aerosil modified by methylchlorosilanes to identify surface organosilicon compounds and their reactions during hydrolysis and methanolysis.

Keywords

Hydrolysis Aerosil Organosilicon Compound Pyrogenic Silica Methylchlorosilanes 

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Literature cited

  1. 1.
    A. A. Chuiko, Chemistry of SiO2 Surfaces: Nature and Role of Active Silica Centers in Adsorption and Chemisorption: Author's abstract of Doctoral Dissertation [in Russian], Kiev (1971).Google Scholar
  2. 2.
    A. Pines, M. G. Gibby, and J. S. Waugh, “Proton-enhanced NMR of dilute spins in solids,” J. Chem. Phys., 59, No. 2, 569–590 (1973).Google Scholar
  3. 3.
    E. T. Lippmaa, A. V. Samoson, V. V. Brei, and Yu. I. Gorlov, “A study of the surface structure of finely divided silica by 29Si and 1H high-resolution NMR in the solid state,” Dokl. Akad. Nauk SSSR, 259, No. 2, 403–408 (1981).Google Scholar
  4. 4.
    V. V. Brei, Yu. I. Gorlov, E. N. Korol', et al., “A study of the hydroxyl-cover structure on pyrogenic silica by IR and mass spectromety,” Teor. Éksp. Khim., 18, No. 1, 122–125 (1982).Google Scholar
  5. 5.
    H. Marsmann, “29Si NMR spectroscopic results,” in: NMR: Basic Principles and Progress, Vol. 17 (1981), pp. 65–235.Google Scholar
  6. 6.
    D. W. Sindorf and G. E. Maciel, “Solid-state NMR studies of the reactions of silica surface with polyfunctional chloromethylsilanes and ethoxymethylsilanes,” J. Amer. Chem. Soc, 105, No. 12, 3767–3776 (1983).Google Scholar
  7. 7.
    D. W. Sindorf and G. E. Maciel, “29Si CP/MAS NMR studies of methylchlorosilane reactions on silica gel,” Ibid, 103, No. 14, 4263–4265 (1981).Google Scholar
  8. 8.
    W. Heberlen and M. Mering, High-Resolution NMR in Solids [Russian translation], Mir, Moscow (1980).Google Scholar
  9. 9.
    G. E. Maciel and D. W. Sindorf, “Silicon-29 nuclear magnetic resonance study of the structure of silica get by cross-polarization and magic-angle spinning,” J. Amer. Chem. Soc, 102, No. 25, 7606–7607 (1980).Google Scholar
  10. 10.
    M. L. Hair and W. Hertl, “Reactions of chlorosilanes with silica surfaces,” J. Phys. Chem., 73, No. 7, 2372–2378 (1969).Google Scholar
  11. 11.
    G. Engelhardt, H. Jancke, M. Mägi, et al., “Über die 1H, 13C, und 29Si NMR chemischen Verschiebungen einiger linearer, verzweigter und cyclischer Methylsiloxan-Verbindungen,” J. Organomet. Chem., 28, No. 3, 293–300 (1971).Google Scholar

Copyright information

© Plenum Publishing Corporation 1986

Authors and Affiliations

  • V. V. Brei
    • 1
  • Yu. I. Gorlov
    • 1
  • A. A. Chuiko
    • 1
  1. 1.Surface Chemistry Division, L. V. Pisarzhevskii Institute of Physical ChemistryAcademy of Sciences of the Ukrainian SSRKiev

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