Effect of Inorganic Components on Thermal Stability of Methylsiloxane-Based Inorganic/Orgnaic Hybrids

Article

Abstract

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 200C 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.

Keywords

inorganic/organic hybrids metal alkoxides thermal stability methylsiloxane FT-IR NMR TG-DTA 

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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Ikuko Yoshinaga
    • 1
  • Noriko Yamada
    • 1
  • Shingo Katayama
    • 1
    • 2
  1. 1.Advanced Technology Research LaboratoriesNippon Steel CorporationChibaJapan
  2. 2.Fine Ceramics Research AssociationNagoyaJapan

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