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Effect of Inorganic Components on Thermal Stability of Methylsiloxane-Based Inorganic/Orgnaic Hybrids
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Description
The thermal decomposition behavior of methylsiloxane-based inorganic/organic hybrids containing an inorganic component derived from metal alkoxides such as Si(OCH3)4, Al(OsC4H9)3, Ti(OiC3H7)4 and Nb(OC2H5)5 was investigated by means of thermogravimetric and differential thermal analysis (TG-DTA), Fourier transform infrared (FT-IR) spectroscopy and nuclear magnetic resonance (NMR) spectroscopy. The decomposition temperature of methyl groups in methylsiloxane-based inorganic/organic hybrids containing an inorganic component derived from metal alkoxides was higher than that in the methylsiloxane-based inorganic/organic hybrid prepared from only CH3Si(OC2H5)3. In particular, when incorporating Nb and Ti inorganic components, methyl groups in methylsiloxane-based inorganic/organic hybrids decomposed at about 100 and 200∘C higher temperatures, respectively, than those in the methylsiloxane-based inorganic/organic hybrid prepared from only CH3Si(OC2H5)3. The incorporation of an inorganic component other than siloxane into methylsiloxane-based inorganic/organic hybrids was found to thermally stabilize the methyl groups of methylsiloxane networks.
Journal
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- Journal of Sol-Gel Science and Technology
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Journal of Sol-Gel Science and Technology 35 21-26, 2005-07-01
Springer Science and Business Media LLC
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Details 詳細情報について
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- CRID
- 1870865117619125120
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- ISSN
- 15734846
- 09280707
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- Data Source
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- OpenAIRE