Space charge formation in filled LDPE films

Author

Yin, Weijun ; Tariaka, J. ; Damon, Dwight H.

Author_Institution

Connecticut Univ., Storrs, CT, USA

fYear

1992

fDate

22-25 Jun 1992

Firstpage

32

Lastpage

36

Abstract

The effect of fillers on space charge formation or storage was studied. Thermally stimulated current (TSC) was measured to investigate the carrier traps in filled LDPE (low-density polyethylene) films. The characteristic relaxation time and activation energy of trapped carriers were calculated by computer simulation based on a single relaxation time model. Differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DTMA), and time-domain dielectric loss spectrometry (TDS) were also employed to analyze the effect of fillers on molecular relaxation behavior. The characteristic relaxation times for 10% 3A/LDPE and 5% 5A/LDPE are 4×10^-11 s and 5×10^-11 s, respectively. The corresponding activation energies are 0.5016 eV and 0.4878 eV

Keywords

carrier relaxation time; dielectric losses; electron traps; filled polymers; organic insulating materials; polymer films; polymer structure; space charge; thermal analysis; thermally stimulated currents; DSC; TSC; activation energy; carrier traps; characteristic relaxation time; computer simulation; dynamic mechanical thermal analysis; effect of fillers; filled LDPE films; molecular relaxation behavior; single relaxation time model; space charge formation; time-domain dielectric loss spectrometry; Calorimetry; Computer simulation; Current measurement; Dielectric losses; Dielectric measurements; Electrochemical impedance spectroscopy; Plastic films; Polyethylene; Space charge; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Conduction and Breakdown in Solid Dielectrics, 1992., Proceedings of the 4th International Conference on

Conference_Location

Sestri Levante

Print_ISBN

0-7803-0129-3

Type

conf

DOI

10.1109/ICSD.1992.224955

Filename

224955