氧化铝填充导热复合材料的制备和性能研究进展  

Research Progress on Preparation and Properties of Alumina Filled Thermal Conductivity Composites

作　　者：高正源[1] 翟帅 杜连腾 孙鹏飞 GAO Zheng-yuan;ZHAI Shuai;DU Lian-teng;SUN Peng-fei(School of Mechatronics&Vehicle Engineering,Chongqing Jiaotong University,Chongqing 400074,China)

机构地区：[1]重庆交通大学机电与车辆工程学院,重庆400074

出　　处：《塑料科技》2023年第12期81-87,共7页Plastics Science and Technology

基　　金：国家自然科学基金项目(22272013)。

摘　　要：电子、电气元件向微型化、集成化和高功率化发展,材料散热成为关键。以氧化铝(Al_(2)O_(3))为主要填料制备导热复合材料,可解决材料散热问题。文章综述了近几年Al_(2)O_(3)填充聚合物复合材料的研究进展,介绍了导热复合材料的导热模型和导热机理,讨论了Al_(2)O_(3)填料在较低的负载量下,Al_(2)O_(3)填料的形状和尺寸、表面功能化处理和杂化等因素对复合材料导热性能的影响,并对Al_(2)O_(3)填充聚合物复合材料的发展方向进行展望。As electronic and electrical components continue to evolve towards miniaturization,integration,and high power,thermal management of materials becomes a critical aspect.Utilizing alumina(Al_(2)O_(3))as the primary filler to prepare thermally conductive composites has proven effective in addressing thermal dissipation challenges.The review provides an overview of recent advancements in research on Al_(2)O_(3)-filled polymer composites.The thermal models and mechanisms of these thermally conductive composites are introduced.The impact of factors such as the shape and size of Al_(2)O_(3)fillers,surface functionalization,and hybridization on the thermal conductivity of composites is discussed,particularly at lower loading levels of Al_(2)O_(3)fillers.The review concludes with prospects for the development of Al_(2)O_(3)-filled polymer composites.

关 键 词：氧化铝 导热率 表面改性 导热机理 

分 类 号：TB331[一般工业技术—材料科学与工程]