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J. Korean Ceram. Soc. > Volume 41(2); 2004 > Article
Journal of the Korean Ceramic Society 2004;41(2): 151.
doi: https://doi.org/10.4191/kcers.2004.41.2.151
PVA를 이용한 Solution-Polymerzation 합성법에 의한 Mullite, Cordierite 세라믹스의 합성
이용석, 이병하
명지대학교 세라믹공학과
A Synthesis of Mullite and Cordierite Ceramics by Solution-Polymerzation Route Based on PVA
Because of the excellent thermal and chemical properties of mullite and cordierite as the stable oxide ceramic materials, they were widely used from engineering materials to electronic materials. Notwithstanding of their high demands, mullite was synthesised because it is not existed in nature. It is also difficult to produce cordierite of fine powder with high purity due to the narrow range of synthetic temperature. Mullite was synthesised by solid state reaction. However, synthesized mullite has been inhomogeneous. Because of the facts, various synthetic methods have been studied so far including sol-gel method. The purpose of this study is to synthesis mullite and cordierite of fine powder with high purity at the lower temperature by solution-polymerization route using PVA as a polymer carrier, which is an economical method by using low cost materials. As a result, mullite and cordierite were produced with mono crystal phase at 1200$^{circ}C$ and 1250$^{circ}C$, respectively, and their surface area over 20 ㎡/g.
Key words: Mullite, Cordierite, Solution-polymerzation route, PVA
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