A novel precursor polymer for continuous SiBN(C) ceramic fiber via co-condensation of B(NHCH3)3 and

关键词：

SiB(C)N precursor SiB(C)N fibers melt-spinning

类别：

纤维 >> 合成纤维

来源：

ICAFPM 2011

资料类型：

pdf文件

资料大小：

1605K

简介：

A novel polyborosilazane precursor was synthesized by co-condensation route of B(NHCH3)3 and Si(NHCH3)4. The resulted polymer is a soluble yellow transparent fusant. The backbone of the polymer was mainly made of –Si-N-B-bridge with some borazine rings. The polymer showed good processability and liquidity, therefore, polymer fibers were obtained by melt spinning. The precursor polymer fiber could be changed into Si-B-N ceramic fiber by pyrolysis under a certain atmosphere. The composition and structure of precursors polymer and ceramic fiber were characterized by fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR) and elemental analysis method (EA). The results showed that the structure of precursor polymer is a linear combination of ideal structure. The feature of the green fiber was observed by scanning electron microscope (SEM), the result was that the green fiber is uniform and smooth.

上传人：

epce

上传时间：

2011-10-12 13:23:10

下载次数：

消耗积分：

我要收藏：

友情提示：下载后对该资源进行评论，即可奖励2分。

好：
中：
差：

本栏目部分资源来自互联网，仅为促进数据共享和信息交流，如有版权问题请告知本网或上传者本人，本网会及时给予答复。

报告错误 1.下载无效　 2. 资料明显无价值　 3. 资料重复存在

评论：(共有0人发表评论)

更多>>

你还没有登录，无法发表评论，请首先