1) polycarbosilane precursor fibers

聚碳硅烷陶瓷先驱丝
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。
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。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条