POLYSILAZANE相关论文
We report the fabrication of SiC nanocrystals via direct pyrolysis of polysilazane at 1350 ℃ for 90min in vacuum.The pr......
The polymer to ceramic transformation process enabled significant technological breakthroughs in ceramic science and tec......
Fabrication of quartz fiber reinforced Polysilazane Composites with Low Dielectric Constant and Loss
In present study, quartz fiber reinforced vinyl-contained polysilazane (Vi-PSN) composite has been fabricated with a res......
A new kind of conjugated polymer, acetylenic polysilazane was prepared by ammono-lysis of acetylenic dimethylchlorosilan......
为研究玻璃粉对聚硅氮烷陶瓷涂层结构的影响,采用热重、傅里叶红外光谱等方法对聚硅氮烷及聚硅氮烷/玻璃粉混合物的热解转化过程进......
聚硅氮烷在氨气中的裂解研究胡海峰陈朝辉冯春祥张长瑞宋永才(国防科技大学五系长沙410073)关键词聚硅氮烷,氨气气氛,裂解机理先驱体转化法......
采用陶瓷先驱体转化法连接Cf/SiC复合材料。针对Cf/SiC复合材料的不同连接界面特性,采用不同的连接配方和工艺。结果表明:对于第一类以......
以填充聚硅氮烷的室温硫化型硅橡胶(RTV),在室温下硫化制得的硫化胶,与常规填充SiO2的RTV硫化胶进行了比较,试验结果表明,前者的物理机械性能优于后......
聚硅氮烷(PSN)与羟基封端的聚二甲基硅氧烷反应,可制备硫化硅橡胶。在空气和氮气中,利用热重分析法和动力学分析方法,对硫化胶的热稳定性进......
研究了由有机氯硅烷氨解制得的聚硅氮烷(psZ)在N2与NH3气氛中的热分解特性,结果表明,在N2气氛中,PSZ经三个阶段转化为无定形陶瓷,在更高温度下则得到a-Si3N4结......
研究了聚碳硅烷纤维和聚硅氮烷纤维电子束辐射交联的交联效果,分析了交联机理并提出了两种不同先驱体辐射交联的差异所在。结果表明......
以不同比例的甲基氢二氯硅烷(0,20%,50%,80%和100%(摩尔分数))和甲基乙烯基二氯硅烷为原料,采用氨解反应以及热聚合反应合成了一系......
采用新型陶瓷先驱体聚合物-含乙烯基聚硅氮烷(PSZ)连接无压烧结SiC陶瓷。研究了PSZ的裂解过程以及连接温度、浸渍/裂解增强处理、惰......
通过TG研究了Al粉作为活性填料在聚硅氮烷PSN-1裂解制备陶瓷材料中的应用情况。结果表明,向PSN-1中加入Al粉可以有效提高陶瓷产率,......
研究了聚硅氮烷(PSN-1)/双酚A型环氧树脂固化体系的固化温度、PSN-1用量对固化速度的影响;并利用热重分析(TGA)研究了PSN-1用量对......
通过甲基乙烯基硅氮烷与聚硅氮烷共热聚反应,将乙烯基引入先驱体聚硅氦烷,分析了甲基乙烯基硅氦烷与降硅氮烷的结构。讨论了两者共热......
Preparation and Gas Barrier Characteristics of Polysilazane-Derived Silica Thin Films Using Ultravio
The gas barrier film formation technique using simultaneous photo-irradiation and heat-treatment has been researched on ......
The effects of excimer light irradiation on polysilazane coatings formed on PET films with vacuum-evaporated SiO2 coatin......
采用红外、色质联用、热重分析、元素分析等手段对含乙烯基硅氮烷的裂解过程进行研究,发现裂解主要发生在473-673K和673-1023K两个阶......
A new kind of conjugated polymer, acetylenic polysilazane was prepared by ammonolysis of acetylenic dimethylchlorosilane......
通过在六甲基环三硅氮烷中加入部分甲基氢二氯硅烷的氨解产物(CH3HSiNH)x,经氢化钾催化制备了聚硅氮烷;用热重分析法研究了其裂性能,考察了反应原......
Flexible electronics have been recently paid much attention. A flexible substrate (Organic resin film) is indispensable ......
探讨了用Me_2SiCl_2、MeSiHCl_2以及它们不同比例的混合物通过氨化、高分子量化两步合成不同软化点和外观特性的聚氮硅烷的原理和......