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Study of charge storage properties in biaxially oriented polypropylene | IEEE Journals & Magazine | IEEE Xplore

Study of charge storage properties in biaxially oriented polypropylene


Abstract:

The charge storage properties of corona-charged biaxially oriented polypropylene (BOPP) and unoriented polypropylene (PP) films have been studied. Thermally stimulated ch...Show More

Abstract:

The charge storage properties of corona-charged biaxially oriented polypropylene (BOPP) and unoriented polypropylene (PP) films have been studied. Thermally stimulated charge decay and open and short circuit thermally stimulated currents, were measured. A half-value charge decay temperature for BOPP was T/sub 0.4/=118 degrees C, 20 degrees C higher than for PP, hence giving greater charge storage stability for BOPP. The charge storage in BOPP is attributed predominantly to impurity trapping and space charge mechanisms. X-ray and differential scanning calorimetry methods were employed to obtain structural information.<>
Published in: IEEE Transactions on Electrical Insulation ( Volume: 28, Issue: 2, April 1993)
Page(s): 294 - 298
Date of Publication: 06 August 2002

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