Space Charge in Polyethylene/Ionomer Blends

Kwang S. Suh, Dwight Damon, John Tanaka

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Measurements of thermally stimulated currents were made on ionomer/polyethylene blends. The objective of this work was to study space charge formation in these materials. Two ionomers were compared; both ionomers contained methacrylic acid, neutralized by zinc in one and by sodium in the other. A large current peak centered near 60°C was observed in all blends and associated with the motion of space charges injected into the blends during poling. All blends accumulated large negative space charge concentrations. The approach to the equilibrium space charge distribution (negative and spatially uniform in all blends) is much more rapid in the blends containing the sodium ionomer than in the blends containing the zinc ionomer.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume2
Issue number1
DOIs
Publication statusPublished - 1995 Feb

Bibliographical note

Funding Information:
The authors are indebted to Bruce Bernstein of EPRI not only for the financial support but for useful suggestions and conversations. The authors would also like to acknowledge friendly and helpful conversations with Tom Davis, Martin Broadhurst and Aime DeReggi of NIST. Supported by EPRI under project 7897-9, Bruce Bernstein contract monitor.

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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