高含量氧化铝对EVA胶膜导热性能的影响  

The Influence of High-Al_2O_3 on the Thermal Conductivity of EVA Film

作　　者：申明霞[1,2] 崔寅鑫[1] 何辉[1] 李红香[1] 陈庆民[2] 

机构地区：[1]河海大学材料科学与工程学院,江苏南京210098 [2]南京大学化学化工学院高分子科学与工程系,江苏南京210093

出　　处：《高分子材料科学与工程》2009年第10期38-41,共4页Polymer Materials Science & Engineering

基　　金：国家863资助项目(2006AA050203-2)

摘　　要：制备了高填充Al2O3/EVA复合胶膜。研究了Al2O3粒径、用量及表面性质等对复合胶膜导热性、力学性能以及粘合性的影响。采用激光闪射法测定了胶膜的导热性,动态粘弹谱仪测定了其动态粘弹性,热重分析仪测定了胶膜热失重曲线,并采用扫描电镜(SEM)观察了复合胶膜中Al2O3的分散和界面结合状态。结果表明,加入乙烯醋酸乙烯酯(EVA)胶膜质量80%的偶联剂改性Al2O3,可使复合胶膜导热系数提高1.2倍以上,Al2O3/EVA界面结合良好;热稳定性提高,而且胶膜具有良好粘合性和较高强韧性。Aluminium oxide/ethylene-vinyl acetate copolymer（Al2O3/EVA） co-film with high content of Al2O3 was prepared.The effects of particle scale and amount and surface property of Al2O3 on thermal conductivity and tensile properties and adhesion of the co-film were discussed.The laser flash analyzer and dynamic mechanical analysis were used to measure the thermal conductivity and viscoelasticity of the film.And the interface of Al2O3/EVA was observed by scan electronic microscope（SEM）.The conclusion shows that,the addition of 80% Al2O3 based on the mass of EVA matrix,which is modified with coupler,have made the thermal conductivity of the co-film in excess above 1.2 times than EVA film;and the co-film has better heat stability and stronger tenacity and good adhesion.

关 键 词：光伏(PV)组件 乙烯醋酸乙烯酯胶膜 导热系数 氧化铝 粘合性 

分 类 号：TQ334.9[化学工程—橡胶工业] TQ325.5