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1)  polycarbosilane precursor fibers
聚碳硅烷陶瓷先驱丝
2)  Polycarbosilane precursor fiber
聚碳硅烷先驱丝
3)  polyearbosilane precurser
聚碳硅烷先驱体
4)  preceramic polymers
陶瓷先驱体聚合物
1.
This article reviewes the recent progress in applied research of several typical preceramic polymers,including polycarbosilane,polysilazane,polysiloxane,polysilane,etc,which were used in the preparation of ceramic materials.
概述了几种典型的陶瓷先驱体聚合物聚碳硅烷、聚硅氮烷、聚硅氧烷和聚硅烷等在陶瓷材料制备中的应用研究进展,重点阐述了在该领域所取得的研究成果,并针对目前存在的不足提出了今后的研究方向。
5)  Polymer preceramics
聚合物陶瓷先驱体
6)  Preceramic polymer
陶瓷先驱体
1.
Joining of reaction-bonded silicon carbide (RBSiC) to itself has been realized using a preceramic polymer, polysiloxane, as joining material.
采用陶瓷先驱体有机聚合物聚硅氧烷连接反应烧结碳化硅(RBSiC)陶瓷。
2.
Perhydropolysilazane(PHPS) and polyhydridomethylsilazane(PHMS) were used as preceramic polymers,respectively,to prepare three-dimensional silica fiber reinforced silicon nitride composites through repeated infiltration and pyrolysis at a low temperature(600℃),and the mechanical properties and microstructures of the composites were investigated through comparison.
以全氢聚硅氮烷(PHPS)和聚甲基硅氮烷(PHMS)为陶瓷先驱体,通过循环浸渍和600℃低温裂解分别制备了三维石英纤维增强氮化硅复合材料,对比研究了复合材料的力学性能和微观结构。
3.
A novel soluble preceramic polymer to SiBNC ceramic, polyborosilazane (PBSZ), was synthe-sized via a cocondensation approach with a yield of about 91% (w%) by using dichloromethylsilane (MeHSiCl2), boron trichloride (BCl3) and hexamethydisilazane (HMDZ) as the starting materials.
以甲基氢二氯硅烷、三氯化硼、六甲基二硅氮烷为起始原料,采用共缩合的方法合成了一种新型的可溶可熔的SiBNC陶瓷先驱体——聚硼硅氮烷(PBSZ)。
补充资料:聚碳硅烷
分子式:
CAS号:

性质:一般是指R为-CH3的硅碳纤维的前驱体。是以二甲基二氯硅烷为原料,在有机溶剂中用金属钠脱氯生成聚二甲基硅烷后于400℃以上高温转位生成。将生成的聚碳硅烷于300℃熔融(纺丝、于280℃氧化成不熔态,再在1100~1150℃氮气中热处理除去侧甲基及氢即得β-SiC结构的硅碳纤维,用于先进复合材料。

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