| 硅硼氮纤维前驱体聚合物的扩链反应改性 |
| |
| 引用本文： | 胡建建,牟世伟,唐彬彬,彭雨晴,韩克清,余木火.硅硼氮纤维前驱体聚合物的扩链反应改性[J].合成纤维,2014(3):23-26. |
| |
| 作者姓名： | 胡建建 牟世伟 唐彬彬 彭雨晴 韩克清 余木火 |
| |
| 作者单位： | （东华大学 纤维材料改性国家重点实验室，材料科学与工程学院，上海 201620） |
| |
| 基金项目： | 国家自然基金项目（90916025）. |
| |
| 摘 要： | 以柔性链遥爪聚合物双(3-氨丙基)封端的聚二甲基硅氧烷(BTA-PDMS)]为扩链剂,对聚硅硼氮烷进行扩链反应改性,既可以提高其相对分子质量,又在刚性分子链中引入柔性链段,这显著改善了前驱体聚合物纤维的柔韧性,有望实现易退绕的目的。
|
| 关 键 词： | 聚硅硼氮烷 前驱体纤维 柔性遥爪聚合物 扩链反应改性 高温陶瓷纤维 |
Modification of Precursor for SiBN Ceramic Fiber via Chain-Extending with a Flexible Telechelic Polymer |
| |
| HU Jian-jian,MOU Shi-wei,TANG Bin-bin,PENG Yu-qing,HAN Ke-qing,YU Mu-huo.Modification of Precursor for SiBN Ceramic Fiber via Chain-Extending with a Flexible Telechelic Polymer[J].Synthetic Fiber in China,2014(3):23-26. |
| |
| Authors: | HU Jian-jian MOU Shi-wei TANG Bin-bin PENG Yu-qing HAN Ke-qing YU Mu-huo |
| |
| Affiliation: | ＊ (State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai 201620, China) |
| |
| Abstract: | In this paper, polyborosilazane was modified by chain-extending reaction using a flexible telechelic polymer, bis(3-aminopropyl)-terminated polydimethylsiloxane (BTA-PDMS), as chain extender. As a result, flexible molecular chains was introduced into the precursor along with higher molecular weight. The mothed is expected to improve the flexibility of the precursor fibers which could be suitable for preparation of continuous SiBN ceramic fibers. |
| |
| Keywords: | polyborosilazane precursor fiber flexible telechelic polymer chain-extending reaction high-temperature ceramic fiber |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《合成纤维》浏览原始摘要信息 |
|
点击此处可从《合成纤维》下载全文 |
|
