【摘要】 气凝胶由于具有极高的孔隙率和极低的热导率,因此可以作为一种超级绝热材料。对气凝胶的隔热特性进行了介绍,重点对掺杂改性的复合气凝胶隔热材料的耐高温隔热性能进行了综述和探讨,并对气凝胶复合隔热材料的应用现状进行了回顾。更多还原

【Abstract】 Aerogels servers as a super thermal insulation material mainly due to its high nano-porosity and low thermal conductivity.In this paper the thermal insulation for aerogel was characterized and the properties of doped aerogel composite materials for thermal insulation in high temperature were explained and concluded.Moreover the current application issues of aerogels served as high temperature thermally insulated material were also studied.更多还原