Microstructure and electrical properties in three-component (Al2O3–TiO2)/polyimide nanocomposite films
Zha, Junwei, Fan, Benhui, Dang, Zhimin, Li, Shengtao and Chen, George (2010) Microstructure and electrical properties in three-component (Al2O3–TiO2)/polyimide nanocomposite films. Journal of Materials Research, 25, (12), 2384-2391.
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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 (Al2O3–TiO2)/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 (Tg), and loss factor (tand) of the ATP films.
|Divisions:||Faculty of Physical Sciences and Engineering > Electronics and Computer Science
Faculty of Physical Sciences and Engineering > Electronics and Computer Science > EEE
|Date Deposited:||24 Nov 2010 11:53|
|Last Modified:||27 Mar 2014 20:17|
|Further Information:||Google Scholar|
|ISI Citation Count:||2|
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