Inorganic-organic hybrids produced from tetraethoxysilane and 2-hydroxybenzyl alcohol as studied by solid-state 13C and 29Si NMR spectroscopy

被引：5
作者：
Hasegawa, I
Takayama, T
Naito, S
机构：
[1] Gifu Univ, Fac Engn, Dept Chem, Gifu 5011193, Japan
[2] Kanagawa Univ, Fac Engn, Dept Appl Chem, Kanagawa Ku, Yokohama, Kanagawa 2218686, Japan
来源：
MATERIALS RESEARCH BULLETIN | 1999年 / 34卷 / 01期
关键词：
carbides; inorganic compounds; organic compounds; sol-gel chemistry; nuclear magnetic resonance (NMR);
D O I：
10.1016/S0025-5408(98)00208-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tetraethoxysilane and 2-hydroxybenzyl alcohol were allowed to undergo a sol-gel reaction under acidic conditions. These compounds underwent con densation 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 Si-29 NMR spectroscopy suggests that there is appreciable interaction between the silica and phenolic resin components in the hybrids through hydrogen bonding. (C) 1999 Elsevier Science Ltd.
引用
收藏
页码：63 / 70
页数：8
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