| 聚-α-甲基苯乙烯热降解产物研究 |
| |
| 引用本文： | 张占文,李波,唐永建,陈素芬,刘一杨.聚-α-甲基苯乙烯热降解产物研究[J].强激光与粒子束,2007,19(8):1321-1324. |
| |
| 作者姓名： | 张占文 李波 唐永建 陈素芬 刘一杨 |
| |
| 作者单位： | 中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621900 |
| |
| 基金项目： | 国家高技术研究发展计划(863计划) |
| |
| 摘 要： | 降解芯轴技术是制备激光惯性约束聚变靶丸的重要技术之一。采用热分析技术研究了聚-α-甲基苯乙烯（PAMS）热降解温度，采用裂解色谱-质谱联用技术分析了PAMS的热降解产物。研究表明：PAMS降解温度范围为260～320 ℃，在此温度下PAMS降解产物主要是α-甲基苯乙烯单体，另外还有微量四氢呋喃溶剂残留及α-甲基苯乙烯二聚体。因主链上季碳原子的存在，PAMS的热降解过程以端基裂解的解聚反应为主，单体产率超过99%。
|
| 关 键 词： | 激光惯性约束聚变 降解芯轴技术 ICF靶 聚-α-甲基苯乙烯 降解产物 |
| 文章编号： | 1001-4322（2007）08-1321-04 |
| 收稿时间： | 2007/3/8 |
| 修稿时间： | 2007-03-08 |
Thermal pyrolysis products of poly-alpha-methylstyrene |
| |
| ZHANG Zhan-wen,LI Bo,TANG Yong-jian,CHEN Su-fen,LIU Yi-yang.Thermal pyrolysis products of poly-alpha-methylstyrene[J].High Power Laser and Particle Beams,2007,19(8):1321-1324. |
| |
| Authors: | ZHANG Zhan-wen LI Bo TANG Yong-jian CHEN Su-fen LIU Yi-yang |
| |
| Institution: | Research Center of Laser Fusion,CAEP, P.O.Box 919-987, Mianyang 621900, China |
| |
| Abstract: | An improved process for fabrication of hollow microspheres used as innertial confinement fusion targets is the decomposable mandrel technique. Thermal gravity analysis and pyrolysis gas chromatorgraph/mass spectrometry were applied to obtaining the thermal pyrolysis behavior of poly-alpha-methylstyrene with weight-average relative molecular mass of 1.14×106. Experiment indicated that the pyrolysis temperature of poly-alpha-methylstyrene covered from 260 ℃ to 320 ℃, and that of glow discharge polymer covered from 350 ℃ to 420 ℃. Poly-alpha-methylstyrene degraded mostly to its monomer, alpha-methylstyrene. Tetrahydrofuran and alpha-methylstyrene dimer were found in the pyrolysis products. Tetrahydrofuran was the solvent used in preparation of poly-alpha-methylstyrene. The mass fraction |
| |
| Keywords: | Inertial confinement fusion(ICF) Decomposable mandrel technique ICF target Poly-alpha-methylstyrene Pyrolysis products |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《强激光与粒子束》浏览原始摘要信息 |
| 点击此处可从《强激光与粒子束》下载免费的PDF全文 |
