摘要： 采用种子微悬浮聚合法,以月桂酸、硬脂酸丁酯为相变芯材,苯乙烯-二乙烯基苯共聚物为壁材,分别掺杂纳米Fe3O4和还原氧化石墨烯（RGO）2种雷达吸波材料（RAM）,制备了具有红外、微波兼容隐身功能的微胶囊材料。采用差示扫描量热仪（DSC）、扫描电子显微镜（SEM）和振动样品磁强计（VSM）对微胶囊材料的热性能、微观形貌、磁学性能进行了表征,采用矢量网络分析仪和自制一维平板热传递模型测试了涂层微波吸收和红外伪装性能,并对涂层宏观力学性能进行了测试。结果表明:采用种子微悬浮聚合法制备掺杂RAM的相变微胶囊微观形貌呈表面微凸球状,掺杂RAM后微胶囊仍具有较高相变潜热,相变潜热随RAM质量分数增大而减小;涂层具备红外/微波兼容隐身性能,吸波率随RAM质量分数增加而提高,红外隐身能力随相变材料质量分数增加而提高;涂层具有良好的宏观力学性能。

关键词: 红外隐身; 微波吸收; 相变微胶囊; 兼容隐身; 隐身涂料

Abstract: Microcapsules with infrared and microwave compatible stealth function are prepared via the seeded micro-suspension polymerization, which uses poly (styrene-divinyl benzene as wall material and lauric acid or n-butyl stearate as core material and dopes two different types of radar absorbing material (RAM), nano-fe, O, and reduced graphene oxide (RGO). The microstructure, thermal properties, magnetic properties are characterized through differential scanning calorimeter(DSC), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM), the infrared and microwave compatible stealth properties of microcapsules are characterized and measured I through vector network analyzer and self-made one dimensional plate heat transfer model,and the macroscopic mechanical properties of the coating were tested. The results indicate that the Ram-doped phase change microcapsules prepared by the seeded micro-suspension polymerization have a slightly convex spherical surfac,and the microcapsules still have a higher latent heat of phase after doping RAM, with the in-crease of RAM mass fraction, the latent heat of phase change becomes smaller. The coatings have the function of infrared and microwave compatible stealth, the higher the RAM Ttion is, the better the microcapsule absorbing performance is. The coatings have good macroscopic mechanical properties.

Key words: infrared stealth; mic-xowave absortion phase change microcapsules; compatible stealth; stealth coating