Suppression of charge injection into LDPE by addition of MgO nanofillers

Kazuyuki Ishimoto; Toshikatsu Tanaka; Yoshimichi Ohki; Yoitsu Sekiguchi; Yoshinao Murata

doi:10.1541/ieejfms.128.742

Suppression of charge injection into LDPE by addition of MgO nanofillers

Kazuyuki Ishimoto, Toshikatsu Tanaka, Yoshimichi Ohki, Yoitsu Sekiguchi, Yoshinao Murata

School of Advanced Science and Engineering

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

Recently, polymer nanocomposite has been attracting much attention as an emerging insulating material. In this paper, we measured space charge distribution in low-density polyethylene (LDPE)/MgO nanocomposite at room temperature and 90 °C. At room temperature, while a huge amount of packet-like charge moving from the anode to the cathode is observed in the base LDPE, such packet-like charge is not observed in the MgO-added nanocomposites. On the other hand, at 90 °C, while injection of negative charge from the cathode is dominant in the base LDPE, the filler addition significantly suppresses the injection. As a consequence space charge is barely formed in the 2-phr MgO-added sample at the two temperatures.

Original language	English
Pages (from-to)	742-743
Number of pages	2
Journal	IEEJ Transactions on Fundamentals and Materials
Volume	128
Issue number	12
DOIs	https://doi.org/10.1541/ieejfms.128.742
Publication status	Published - 2008 Dec 1

Keywords

Low-density polyethylene
Nanocomposite
Pulsed electro-acoustic method
Space charge

ASJC Scopus subject areas

Electrical and Electronic Engineering

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Ishimoto, K., Tanaka, T., Ohki, Y., Sekiguchi, Y., & Murata, Y. (2008). Suppression of charge injection into LDPE by addition of MgO nanofillers. IEEJ Transactions on Fundamentals and Materials, 128(12), 742-743. https://doi.org/10.1541/ieejfms.128.742

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abstract = "Recently, polymer nanocomposite has been attracting much attention as an emerging insulating material. In this paper, we measured space charge distribution in low-density polyethylene (LDPE)/MgO nanocomposite at room temperature and 90 °C. At room temperature, while a huge amount of packet-like charge moving from the anode to the cathode is observed in the base LDPE, such packet-like charge is not observed in the MgO-added nanocomposites. On the other hand, at 90 °C, while injection of negative charge from the cathode is dominant in the base LDPE, the filler addition significantly suppresses the injection. As a consequence space charge is barely formed in the 2-phr MgO-added sample at the two temperatures.",

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