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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), pp. 2384-2391.

Record type: Article

Abstract

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.

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Published date: December 2010
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 271710
URI: http://eprints.soton.ac.uk/id/eprint/271710
PURE UUID: 599041c9-0016-457d-ae7e-39b7689a4776

Catalogue record

Date deposited: 24 Nov 2010 11:53
Last modified: 18 Jul 2017 06:39

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Contributors

Author: Junwei Zha
Author: Benhui Fan
Author: Zhimin Dang
Author: Shengtao Li
Author: George Chen

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