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Report No.

Synthesis of a catalyst-loaded SiC material from Si-based polymer

Idesaki, Akira; Sugimoto, Masaki; Yoshikawa, Masahito

Recently, catalyst-loaded ceramic materials have been developed to apply for gas separators in the engineering field of hydrogen generation. Oxide ceramics of alumina and silica are used for the matrix in that field. However, the oxide ceramics are inferior to non-oxide ceramics in the point of resistance for high temperature, strong acid or alkali, hot steam, and so on. Si-based polymers are used as precursors for Si-based non-oxide ceramics. They have a good point of high formability and ability to form polymer blends with various materials. So far, we have established a fabrication technique of SiC products such as a fine fiber with average diameter of 6$$mu$$m and a membrane for hydrogen separation. In this work, we fabricate a catalyst-loaded SiC material from a blend of Si-based polymer and transition metal compound. The catalyst-loaded SiC material showed a catalytic performance of evolution of CO$$_{2}$$ gas oxidizing CO gas.



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