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The effect of additives on charge decay in electron-beam charged polypropylene films

Title data

Hillenbrand, Joachim ; Motz, Tilman ; Sessler, Gerhard M. ; Zhang, Xiaoqin ; Behrendt, Nico ; von Salis-Soglio, Cosima ; Erhard, Dominik P. ; Altstädt, Volker ; Schmidt, Hans-Werner:
The effect of additives on charge decay in electron-beam charged polypropylene films.
In: Journal of Physics D. Vol. 42 (2009) Issue 6 . - 065410-065418.
ISSN 1361-6463
DOI: https://doi.org/10.1088/0022-3727/42/6/065410

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The charge decay in isotactic polypropylene (i-PP) films of 50μm thickness, containing three kinds of additives, namely a trisamide, a bisamide and a fluorinated compound, with concentrations in the range 0.004-1 wt% was studied. Compression molding was used to produce the films. The samples were either surface-charged by a corona method or volume-charged by mono-energetic electron beams of different energies, having penetration depths up to 6μm. In all cases, surface potentials of about 200V were chosen. After charging the films, the decay of the surface potential was studied either by an isothermal discharge method at 90 ◦C or by thermally stimulated discharge measurements. The results show a dependence of the decay rate on the kind of additive used, on additive concentration and on the energy of the injected charges. In particular, for samples with fluorinated additives, the stability of the surface potential decreases markedly with increasing electron energy, while such a dependence is very weak for samples containing the bisamide additive and does not exist at all for samples with the trisamide additive. These observations are tentatively explained by the radiation-induced generation of relatively mobile negative ions originating from the bisamide and fluorinated additives.

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 > 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 09:03
Last Modified: 09 Dec 2015 09:57
URI: https://eref.uni-bayreuth.de/id/eprint/1280