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

Behrendt, N. ; Mohmeyer, N. ; Hillenbrand, J. ; Klaiber, M. ; Zhang, X. ; Sessler, Gerhard M. ; Schmidt, H.-W. ; Altstädt, V. (2006)
Charge storage behavior of isotropic and biaxially-oriented polypropylene films containing alpha- and beta-nucleating agents.
In: Journal of Applied Polymer science, 99 (3)
Article, Bibliographie

Abstract

A study on the influence of the crystal mod- ification ( ␣ and ␤ ) of isotactic polypropylene (i-PP) films on the resulting electret properties is presented. Two commer- cial 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 bi- axially stretched films with respect to electret features. It was possible to prepare elongated cavities with the virtually insoluble NA11 additive during stretching, even at concen- trations below 0.3 wt %. These films displayed slightly im- proved 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.

Item Type: Article
Erschienen: 2006
Creators: Behrendt, N. ; Mohmeyer, N. ; Hillenbrand, J. ; Klaiber, M. ; Zhang, X. ; Sessler, Gerhard M. ; Schmidt, H.-W. ; Altstädt, V.
Type of entry: Bibliographie
Title: Charge storage behavior of isotropic and biaxially-oriented polypropylene films containing alpha- and beta-nucleating agents
Language: English
Date: 2006
Publisher: Wiley-Blackwell
Journal or Publication Title: Journal of Applied Polymer science
Volume of the journal: 99
Issue Number: 3
URL / URN: https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.22502
Abstract:

A study on the influence of the crystal mod- ification ( ␣ and ␤ ) of isotactic polypropylene (i-PP) films on the resulting electret properties is presented. Two commer- cial 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 bi- axially stretched films with respect to electret features. It was possible to prepare elongated cavities with the virtually insoluble NA11 additive during stretching, even at concen- trations below 0.3 wt %. These films displayed slightly im- proved 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.

Divisions: 18 Department of Electrical Engineering and Information Technology
Date Deposited: 20 Nov 2008 08:26
Last Modified: 20 Feb 2020 13:23
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