|
|||||
|
|
| 高强高模碳纤维用高等规聚丙烯腈的DSC研究 | |
| 引用本文： | 许志献,赵珏藏,徐晶,徐操华,金日光.高强高模碳纤维用高等规聚丙烯腈的DSC研究[J].化工新型材料,2009,37(3). |
| 作者姓名： | 许志献 赵珏藏 徐晶 徐操华 金日光 |
| 作者单位： | 1. 北京化工大学资源综合利用国家重点实验室,北京100029;安阳师范学院化学化工学院,安阳455000 2. 濮阳职业技术学院,濮阳,457000 3. 北京化工大学资源综合利用国家重点实验室,北京,100029 |
| 基金项目： | 国家自然科学基金重点项目 |
| 摘 要： | 制备了不同三单元等规含量的聚丙烯腈(at-PAN,mm=0.27;iso-PAN,mm=0.64),测定了高等规度PAN和低等规度PAN的TG及DSC,并进行了比较;研究了金属离子含量、气氛中氧的浓度对高等规度PAN的TG及DSC的影响,提出了金属离子及氧的作用机理;在空气气氛下模拟了预氧化过程,制备了不同预氧化时间下的高等规度及低等规度PAN的预氧化样品,考察了在260℃不同预氧化时间下高等规度及低等规度PAN样品的DSC,并对其放热量进行了比较. |
| 关 键 词： | 高等规度PAN 预氧化 |
DSCDSC studies on high-tacticity polyacrylonitrile for high module and high strength carbon fiber |
|
| Xu Zhixian,Zhao Yuchang,Xu Jing,Xu Lianghua,Jin Riguang.DSCDSC studies on high-tacticity polyacrylonitrile for high module and high strength carbon fiber[J].New Chemical Materials,2009,37(3). | |
| Authors: | Xu Zhixian Zhao Yuchang Xu Jing Xu Lianghua Jin Riguang |
| Affiliation: | 1.State Key Laboratory of Chemical Resource Engineering;Beijing University of Chemical Technology;Beijing 100029;2.Anyang Normal College;Anyang 455000;3.Puyang Vocational and Technologic College;Puyang 457000 |
| Abstract: | Polyacrylonitrile with different tacticity was prepared(at-PAN,mm=0.27,iso-PAN mm=0.64);TG and DSC curves were measured and compared between at-PAN and iso-PAN;Investigation of the effect of volume of metal ion in iso-PAN and concentration of oxygen in atmosphere on TG and DSC was carried out and mechanism was put forward;Pre-oxidation samples of iso-PAN and at-PAN heat treated at different temperatures for different time were prepared by simulating pre-oxidation under air atmosphere,DSC investigation of pr... |
| Keywords: | TG DSC |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |