Synthesis and characterization of polyvinylsilazane as a precursor for Si3N4based ceramic materials
β Scribed by Justin W. Reutenauer; Timothy P. Coons; Christopher L. Hill; Kevin A. Arpin; Michael A. Kmetz; Steven L. Suib
- Publisher
- Springer
- Year
- 2011
- Tongue
- English
- Weight
- 447 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0022-2461
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π SIMILAR VOLUMES
The goal of this investigation was to optimize the synthesis of silazane-based polymers for processing fibre-reinforced ceramic matrix composites (CMCs). Liquid oligomeric silazanes were synthesized by ammonolysis of chlorosilanes and characterized spectroscopically (FTIR, NMR) as well as by element
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Aminoboranes, pure or partially converted into aminoborazines using thermal or aminolysis polymerization, have been used as boron nitride precursors. An amorphous BN preceramic is obtained when pyrolysed up to 1000Β°C that can be stabilized using further annealing up to 1400Β°C or crystallized into h-