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Method for the synthesis of ceramic precursor chlorine-free polymer for the production of ceramic moldings
Method for the synthesis of ceramic precursor chlorine-free polymer for the production of ceramic moldings
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机译:合成用于陶瓷模制品生产的陶瓷前体无氯聚合物的方法
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摘要
A method for producing a polysilane includes a disproportionation reaction of a methylchlorodisilane mixture to form chlorine-containing oligosilane, a substitution reaction of the chlorine atoms contained in the oligosilane by the reaction with a primary amine and a cross-linking reaction of the oligosilanes using a chain former to form polysilanes. The obtained polysilanes are infusible and are very suitable for being spun to form green fibers and processed to form silicon carbide fibers and fiber composites. The method is characterized in that it can be carried out cost-effectively and quickly and with very high yields.
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