Effects of sample preparation conditions and short chains on space charge formation in LDPE

Kwang Suck Suh, Jung Hoe Koo, Seung Hyung Lee, Jung Ki Park, Tatsuo Takada

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The effects of chemical change during sample preparation and low molecular weight chains of low density polyethylene (LDPE) have been investigated in order to clarify the origins for heterocharge in LDPE which does not contain antioxidants. The carbonyls formed at the surface of polyethylene (PE) sheet prepared at 180°C with polyethylene terephthalate backing films were found to contribute to the increase of heterocharge in LDPE. All aspects of the processes used for the preparation of samples must be studied carefully to ascertain possible effects on the properties of samples. The type of charge accumulated in LDPE was also found to depend on the concentration of short PE chains. Details of experimental results and their possible causes are described.

Original languageEnglish
Pages (from-to)153-160
Number of pages8
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume3
Issue number2
DOIs
Publication statusPublished - 1996 Dec 1

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Low density polyethylenes
Electric space charge
Polyethylenes
Antioxidants
Polyethylene terephthalates
Molecular weight

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Effects of sample preparation conditions and short chains on space charge formation in LDPE. / Suh, Kwang Suck; Koo, Jung Hoe; Lee, Seung Hyung; Park, Jung Ki; Takada, Tatsuo.

In: IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 3, No. 2, 01.12.1996, p. 153-160.

Research output: Contribution to journalArticle

Suh, Kwang Suck ; Koo, Jung Hoe ; Lee, Seung Hyung ; Park, Jung Ki ; Takada, Tatsuo. / Effects of sample preparation conditions and short chains on space charge formation in LDPE. In: IEEE Transactions on Dielectrics and Electrical Insulation. 1996 ; Vol. 3, No. 2. pp. 153-160.
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