SiC-based fibers synthesized from hybrid polymer of polycarbosilane and polyvinylsilane

被引：7
|
作者：
Idesaki, A [1 ]
Narisawa, M
Okamura, K
Sugimoto, M
Morita, Y
Seguchi, T
Itoh, M
机构：
[1] Univ Osaka Prefecture, Coll Engn, Dept Met & Sci Mat, Sakai, Osaka 5998531, Japan
[2] Japan Atom Energy Res Inst, Takasaki Radiat Chem Res Estab, Takasaki, Gumma 3701292, Japan
[3] Mitsui Chem Inc, Cent Res Lab, Yokohama, Kanagawa 2470006, Japan
来源：
HIGH TEMPERATURE CERAMIC MATRIX COMPOSITES III | 1999年 / 164-1卷
关键词：
silicon carbide fiber; polycarbosilane; polyvinylsilane; radiation curing; gas analysis; electron spin resonance (ESR) measurement;
D O I：
10.4028/www.scientific.net/KEM.164-165.39
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The ceramization mechanism of the irradiated polycarbosilane-20mass%polyvinylsilane hybrid polymer was investigated in the converting process from polymer to ceramic. In the heat treatment of the irradiated Hybrid polymer, hydrogen gas evolution occurs in the three temperature ranges around 850, 1050, and 1370K. II the temperature range above 1000K, the radicals are accumulated rapidly by restriction of molecular motion in converting, from polymer to ceramic. Change of the FT-IR spectra of the fibers by heat treatment after irradiation is also measured.
引用
收藏
页码：39 / 42
页数：4
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