新型BN／Ag二维层状复合材料的导热胶的制备及其导热性能的表征  

Preparation and thermal conduction performance of a novel adhesive enhanced by silver coated BN films

作　　者：付璇[1] 鲍婕[1] 黄时荣 王楠[1] 袁志超[1] 张燕[1] 路秀真[1] 叶丽蕾 刘建影[1,3] 

机构地区：[1]上海大学机电工程与自动化学院中瑞微系统集成技术中心&教育部新型显示和系统集成重点实验室,上海201800 [2]SHT Smart High Tech AB,哥德堡Se 41133 [3]纳米系统实验室,显微技术和纳米科学系,查尔莫斯理工,哥德堡Se 41296

出　　处：《化工新型材料》2015年第4期136-138,142,共4页New Chemical Materials

基　　金：国家自然科学基金(51272153,11272192);上海市科学技术委员会项目(12JC1403900);欧盟项目“Nanotherm”支持;瑞典查尔莫斯理工大学“可持续生产性和先进生产领域”项目

摘　　要：介绍了一种新型导热胶,该导热胶填充了负载了具有良好导热性的银颗粒的氮化硼薄膜,这种薄膜能极大地提高导热胶的散热性能。这种导热胶是一种常见的胶体,其主要由环氧聚合物组成。它的温度特性通过导热系数测定仪测量,伴随着填充物的增加,导热胶的导热系数也会逐渐提高。当填充物在导热胶中所占的质量分数为2.7%时,其导热系数提高到3.55 W/m·k,与没有填充物的导热胶相比导热系数提高20%,这对提高导热胶性能具有重要的意义,同时,实验结果通过仿真手段也得到了验证。A novel functionalized 2D layer BN enhanced TCA was developed. The base material was a traditional TCA which was composed with epoxy matrix. Thermal characterization indicated that a significant thermal conductivity im- provement was achieved through adding BN/Ag into the material. The results showed that the thermal conductivity value was 3.55 W/m · k when the BN/Ag filling percentage was 2.7% which was more than 20 percent improvement compared to the case without the BN/Ag filling. Meanwhile, The thermal conductivity result was compared with the FEM simula- tion. The simulation agreed well with the experimental results.

关 键 词：导热胶 氮化硼薄膜 纳米银 仿真手段 

分 类 号：TQ430.1[化学工程]