发射药用聚二甲基丙烯酸乙二醇酯钝感包覆层性能研究 |
| |
引用本文: | 堵平,何卫东,王泽山.发射药用聚二甲基丙烯酸乙二醇酯钝感包覆层性能研究[J].兵工学报(光化工分册),2007,30(5):70-73,80. |
| |
作者姓名: | 堵平 何卫东 王泽山 |
| |
作者单位: | 南京理工大学化工学院,江苏南京210094 |
| |
摘 要: | 为研究高分子钝感发射药改变燃烧规律的机理,研究了其涂覆层的聚合条件。通过改变聚合方式、温度、时间、引发剂、聚合界面的方法,探讨了涂覆层的聚合工艺;通过材料试验机试验和热分解试验,研究了聚二甲基丙烯酸乙二醇酯(PEDMA)涂覆层在不同温度下的力学性能及其热分解规律。研究发现,采用合适的工艺可制得钝感发射药;PEDMA在单基药表面形成钝感层且存在过渡的互穿网络结构,涂覆层和基体药的力学性能受温度影响差别较大,这一特性是高分子钝感药温度系数低的原因之一。热分解研究表明,PEDMA钝感发射药改变了传统单基药的燃烧规律,具有延迟点火和变燃速的特点。
|
关 键 词: | 物理化学 钝感发射药 涂覆层 聚二甲基丙烯酸乙二醇酯 PEDMA 力学性能 热分解性能 |
文章编号: | 1007-7812(2007)05-0070-04 |
收稿时间: | 2007-07-11 |
修稿时间: | 2007-08-19 |
Research on Performance of PEDMA Deterring-coating-layer of Propellant |
| |
Authors: | DU Ping HE Wei-dong WANG Ze-shan |
| |
Abstract: | In order to study the mechanism of macromolecule deterring propellant on changing burning law, the polymerizing conditions, mechanical and thermal decomposition performance of coating-layer is studied. Through changing polymerizing ways, temperature, time, initiator and polymerizing interface test, the polymerizing technique of coating-layer is discussed. The mechanical performance and thermal-decomposing laws of PEDMA coating-layer at different temperatures are realized by material test and thermal-decomposing test, finding that deterring propellant can be prepared by right ways. On the surface of single-base propellant, PEDMA can form deterring layer, and have transitional cross-linked form. The different behaviors between coating-layer and base propellant at different temperatures, are one of the reasons that macromolecule deterring propellant has lower temperature coefficient. Thermal-decomposing studies show that PEDMA deterring propellant has changed tlae burning law of traditional single-base propellant, and has characteristics of delaying ignition and changing burning rate. |
| |
Keywords: | physical chemistry deterring propellant coatlng-layer PEDMA mechanical performance thermal compostion performance |
本文献已被 维普 等数据库收录! |
|