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Charge storage behavior of isotropic and biaxially-oriented polypropylene films containing alpha- and beta-nucleating agents

Title data

Behrendt, Nico ; Mohmeyer, Nils ; Hillenbrand, Joachim ; Klaiber, Martin ; Zhang, Xiaoqin ; Sessler, Gerhard M. ; Schmidt, Hans-Werner ; Altstädt, Volker:
Charge storage behavior of isotropic and biaxially-oriented polypropylene films containing alpha- and beta-nucleating agents.
In: Journal of Applied Polymer Science. Vol. 99 (February 2006) Issue 3 . - pp. 650-658.
ISSN 1097-4628
DOI: https://doi.org/10.1002/app.22502

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

A study on the influence of the crystal modification ( and ) of isotactic polypropylene (i-PP) films on the resulting electret properties is presented. Two commercial nucleating agents, sodium 2,2-methylene-bis(4,6-di-tert-butylphenyl)-phosphate (NA11) and N,N-dicyclo-hexyl-2,6-naphthalene-dicarbox-amide (NU100), were employed in this investigation. Isothermal charge decay was measured at 90°C. In hot pressed isotropic polypropylene films, no significant differences in the charge storage properties were observed for - and -nucleated specimens. In addition, the article presents the influence of the nucleating agents at different concentrations on the PP-film morphology of biaxially stretched films with respect to electret features. It was possible to prepare elongated cavities with the virtually insoluble NA11 additive during stretching, even at concentrations below 0.3 wt %. These films displayed slightly improved electret properties in comparison to stretched neat PP films due to generated cavities acting as barriers for the drift of charges. Various draw ratios were also studied for i-PP films with 0.15 wt % NA11.

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: 29 Jun 2015 10:07
Last Modified: 09 Dec 2015 09:57
URI: https://eref.uni-bayreuth.de/id/eprint/1341