Vibrational spectral/structural changes from the hydrolysis/polycondensation of methyl-modified silicates. II. Comparisons for condensates from the binary diethoxydimethylsilane/tetramethoxysilane system

Comparisons were made for the structures of condensates from the tetramethoxysilane (TMOS)/diethoxydimethylsilane (DEDMS) system upon hydrolysis/polycondensation using infrared and Raman spectra. Spectral data indicated that all generated condensates possessed four-membered (Siz.sbnd;O) 4 rings as s...

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Bibliographic Details
Published in:Materials letters 1992, Vol.15 (4), p.233-241
Main Authors: Capozzi, C.A., Condrate, R.A., Pye, L.D., Hapanowicz, R.P.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
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Summary:Comparisons were made for the structures of condensates from the tetramethoxysilane (TMOS)/diethoxydimethylsilane (DEDMS) system upon hydrolysis/polycondensation using infrared and Raman spectra. Spectral data indicated that all generated condensates possessed four-membered (Siz.sbnd;O) 4 rings as structural units within their structures. Three-membered rings appeared at lower concentrations.
ISSN:0167-577X
1873-4979
DOI:10.1016/0167-577X(92)90077-W