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J. Korean Ceram. Soc. > Volume 28(2); 1991 > Article
Journal of the Korean Ceramic Society 1991;28(2): 153.
알콕사이드로부터 졸겔법에 의한 물라이트 섬유의 제조
김구대, 정형진, 이해욱
한국과학기술원 세라믹스부
Preparation of the Mullite Fiber from Alkoxide by Sol-Gel Process
Polymeric alumina sol and polymeric silica sol were synthesized from aluminum sec-butoxide and tetraethyl orthosilicate, respectively as starting materials. A clear mullite sol was obtained by mixing these sols. When the mullite sol had a proper viscosity which was dependent on drying time, the fibers were fabricated by spinning. The optimum viscosity for fabrication of mullite fibers was 103-104 cps, and the fibers with various sizeswere made using the sols. The mullite was a major phase of the calcined fibers and the diameters of the fibers were about 50$mutextrm{m}$.
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