Synthesis, Characterization and Oxidation Behavior of a Novel Curable Liquid Polysilane Precursors for C/C-SiC Composite

Kang Kang Guo; Yan Bing Liu; Hui Min Qi; Fa Rong Huang; Lei Du

doi:10.4028/www.scientific.net/AMR.217-218.1673

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Synthesis, Characterization and Oxidation Behavior...

Synthesis, Characterization and Oxidation Behavior of a Novel Curable Liquid Polysilane Precursors for C/C-SiC Composite

Abstract:

A novel curable liquid polysilane (CLS) containing reactive unsaturated bond and Si-H was synthesized from dichloromethylvinylsilae, methyldichlorosilae and Na in presence of 18-crown-6 under sonication at relatively lower temperature and its structure was characterized by FT-IR, 1H-NMR. The cure behavior of CLS was investigated by DSC,FTIR. Thermal stability of cured CLS was examined by TGA. The results showed that the cured polysilane exhibits good anti-oxidation performance under high temperature. And the sinted CLS exhibited high temperature resistance and good ceramic formability.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

1673-1678

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.1673

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Online since:

March 2011

Authors:

Kang Kang Guo, Yan Bing Liu, Hui Min Qi, Fa Rong Huang, Lei Du

Keywords:

C/C-SiC Composite, Polysilane, ß-SiC

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