Chemical group in crosslinking byproducts responsible for charge trapping in polyethylene

Naoshi Hirai, Ryotaro Minami, Toshikatsu Tanaka, Yoshimichi Ohki, Minoru Okashita, Takashi Maeno

研究成果: Conference article

2 引用 (Scopus)

抜粋

It is known that space charge is formed in cables insulated with crosslinked polyethylene. It is probable that the crosslinking byproduct or the crosslinked polymer morphology is responsible for the space charge. In order to examine the former possibility, an additive-free low-density polyethylene sheet was soaked in various liquid chemicals including the crosslinking byproducts and space charge distribution inside the sheet was measured under dc voltage application. As a result, space charge appears in the vicinity of the injecting electrode only in the case that the sheet was soaked in the liquids with at least one hydroxyl group in their structures. Therefore, it is concluded that cumyl alcohol, which is the only byproduct with a hydroxyl group in its structure, is responsible for the formation of space charge in polyethylene.

元の言語English
ページ(範囲)626-630
ページ数5
ジャーナルConference on Electrical Insulation and Dielectric Phenomena (CEIDP), Annual Report
出版物ステータスPublished - 2002 1 1
イベント2002 IEEE Conference on Electrical Insulation and Dielectric Phenomena - Cancun, Mexico
継続期間: 2002 10 202002 10 24

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering
  • Building and Construction

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