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Electret Properties of Polyetherimides : Influence of Water Content and Comparison with other High-Temperature Polymer Films

Title data

Frese, Thomas ; Lovera, Deliani ; Sandler, Jan K. W. ; Lim, Goy Teck ; Altstädt, Volker ; Giesa, Reiner ; Schmidt, Hans-Werner:
Electret Properties of Polyetherimides : Influence of Water Content and Comparison with other High-Temperature Polymer Films.
In: Macromolecular Materials and Engineering. Vol. 292 (May 2007) Issue 5 . - pp. 582-587.
ISSN 1439-2054
DOI: https://doi.org/10.1002/mame.200600463

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

In this comparative study, the charge storage performance of commercial high-temperature polymer films was evaluated and correlated with their chemical structure. Isothermal surface potential decay measurements after annealing periods at 90 °C revealed that amorphous polyetherimide (PEI) films showed the best charge storage behavior. Polyimide films showed reduced charge storage performance, whereas sulfur-containing polymer films are not suitable as electrets due to their fast charge decay. Additionally, the effect of water content in PEI films in the range of 0.02-0.79 wt.-% was studied. Increasing amounts of water decreased the charge storage properties proportionally, but only by a relatively smaller amount: the highest investigated water content of 0.79 wt.-% reduced the charge by only 30%.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry I > Chair Macromolecular Chemistry I - Univ.-Prof. Dr. Hans-Werner Schmidt
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Polymer Engineering
Faculties > Faculty of Engineering Science > Chair Polymer Engineering > Chair Polymer Engineering - Univ.-Prof. Dr.-Ing. Volker Altstädt
Profile Fields
Profile Fields > Advanced Fields
Profile Fields > Advanced Fields > Polymer and Colloid Science
Profile Fields > Advanced Fields > Advanced Materials
Profile Fields > Emerging Fields
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Institute of Macromolecular Research - BIMF
Research Institutions > Collaborative Research Centers, Research Unit
Research Institutions > Collaborative Research Centers, Research Unit > SFB 481 Komplexe Makromolekül- und Hybridsysteme in inneren und äußeren Feldern
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 26 Jun 2015 13:47
Last Modified: 09 Dec 2015 09:57
URI: https://eref.uni-bayreuth.de/id/eprint/1318