Microstructure and electrical properties in three-component (Al2O3-TiO2)/polyimide nanocomposite films

被引：19
作者：
Zha, Jun-Wei [1 ,2 ,3 ]
Fan, Ben-Hui [1 ]
Dang, Zhi-Min [1 ]
Li, Sheng-Tao [4 ]
Chen, George [3 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Nanomat, Minist Educ, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
[2] Shanghai Jiao Tong Univ, Shanghai Key Lab Elect Insulat & Thermal Aging, Shanghai 200240, Peoples R China
[3] Univ Southampton, Sch Elect & Comp Sci, Southampton SO17 1BJ, Hants, England
[4] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 2010年 / 25卷 / 12期
关键词：
IN-SITU POLYMERIZATION; NANO HYBRID FILMS; COMPOSITES; CONDUCTIVITY; MORPHOLOGY; POLYMERS;
D O I：
10.1557/JMR.2010.0306
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polyimide (PI)-matrix composite films containing inorganic nanoparticles (nano-Al2O3 and nano-TiO2) have been fabricated A proposed model is used to explain different structures of the (Al2O3TiO2)/PI (ATP) films synthesized by employing in situ polymerization Dependences of dielectric permittivities of the ATP films on frequency and temperature were studied Results show the breakdown strength of the films decreases with prolonging the corona aging time The incorporation of the nano-Al2O3 and nano-TiO2 particles significantly improves the corona resistance of the films The corona aging also influences the infrared absorbance, the glass transition temperature (T-g), and loss factor (tan delta) of the ATP films
引用
收藏
页码：2384 / 2391
页数：8
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