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Inorganic–organic hybrids produced from tetraethoxysilane and 2-hydroxybenzyl alcohol as studied by solid-state13c and29Si nmr spectroscopy

Authors
Journal
Materials Research Bulletin
0025-5408
Publisher
Elsevier
Publication Date
Volume
34
Issue
1
Identifiers
DOI: 10.1016/s0025-5408(98)00208-6
Keywords
  • A. Carbides
  • A. Inorganic Compounds
  • A. Organic Compounds
  • B. Sol-Gel Chemistry
  • C. Nuclear Magnetic Resonance (Nmr)

Abstract

Abstract Tetraethoxysilane and 2-hydroxybenzyl alcohol were allowed to undergo a sol-gel reaction under acidic conditions. These compounds underwent condensation independently to give hybrids consisting of silica and phenolic resin components, which are applicable as precursors for silicon carbide powders and fibers when they are prepared in the fibrous form. The spin-lattice relaxation time measurement for the hybrids using solid-state 29Si NMR spectroscopy suggests that there is appreciable interaction between the silica and phenolic resin components in the hybrids through hydrogen bonding.

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