Properties of Polyethylene Blend as a Non-crosslinked Insulating Material for Power Cable

Hiroki Tamura; Hironaga Ono; Yoshimichi Ohki; Masaaki Ikeda; Yoshimi Yamamoto

doi:10.1541/ieejfms.124.817

Properties of Polyethylene Blend as a Non-crosslinked Insulating Material for Power Cable

Hiroki Tamura, Hironaga Ono, Yoshimichi Ohki, Masaaki Ikeda, Yoshimi Yamamoto

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

From viewpoints of environmental protection and reduction in manufacturing cost, it is desirable to use non-crosslinked polyethylene as an insulating material for power cables. A new type polymerized polyethylene using a single-site catalyst has an advantage of its high melting point, but its processability is very poor because of its high viscosity. Therefore, blends of this polyethylene and conventional low-density polyethylene with different blending ratios are examined in this research. As a result, it has become clear that the blend with a blending ratio of 1:1 has an appropriate melting stress and an adequate viscosity at a shear velocity suitable for cable manufacturing. Furthermore, the blend has a superior thermal property and a high dielectric strength for both dc and impulse voltages.

Original language	English
Pages (from-to)	817-822
Number of pages	6
Journal	IEEJ Transactions on Fundamentals and Materials
Volume	124
Issue number	9
DOIs	https://doi.org/10.1541/ieejfms.124.817
Publication status	Published - 2004

Keywords

breakdown
insulating material
polyethylene
polymer blend
power cable

ASJC Scopus subject areas

Electrical and Electronic Engineering

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Cite this

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title = "Properties of Polyethylene Blend as a Non-crosslinked Insulating Material for Power Cable",

abstract = "From viewpoints of environmental protection and reduction in manufacturing cost, it is desirable to use non-crosslinked polyethylene as an insulating material for power cables. A new type polymerized polyethylene using a single-site catalyst has an advantage of its high melting point, but its processability is very poor because of its high viscosity. Therefore, blends of this polyethylene and conventional low-density polyethylene with different blending ratios are examined in this research. As a result, it has become clear that the blend with a blending ratio of 1:1 has an appropriate melting stress and an adequate viscosity at a shear velocity suitable for cable manufacturing. Furthermore, the blend has a superior thermal property and a high dielectric strength for both dc and impulse voltages.",

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T1 - Properties of Polyethylene Blend as a Non-crosslinked Insulating Material for Power Cable

AU - Tamura, Hiroki

AU - Ono, Hironaga

AU - Ohki, Yoshimichi

AU - Ikeda, Masaaki

AU - Yamamoto, Yoshimi

PY - 2004

Y1 - 2004

N2 - From viewpoints of environmental protection and reduction in manufacturing cost, it is desirable to use non-crosslinked polyethylene as an insulating material for power cables. A new type polymerized polyethylene using a single-site catalyst has an advantage of its high melting point, but its processability is very poor because of its high viscosity. Therefore, blends of this polyethylene and conventional low-density polyethylene with different blending ratios are examined in this research. As a result, it has become clear that the blend with a blending ratio of 1:1 has an appropriate melting stress and an adequate viscosity at a shear velocity suitable for cable manufacturing. Furthermore, the blend has a superior thermal property and a high dielectric strength for both dc and impulse voltages.

AB - From viewpoints of environmental protection and reduction in manufacturing cost, it is desirable to use non-crosslinked polyethylene as an insulating material for power cables. A new type polymerized polyethylene using a single-site catalyst has an advantage of its high melting point, but its processability is very poor because of its high viscosity. Therefore, blends of this polyethylene and conventional low-density polyethylene with different blending ratios are examined in this research. As a result, it has become clear that the blend with a blending ratio of 1:1 has an appropriate melting stress and an adequate viscosity at a shear velocity suitable for cable manufacturing. Furthermore, the blend has a superior thermal property and a high dielectric strength for both dc and impulse voltages.

KW - breakdown

KW - insulating material

KW - polyethylene

KW - polymer blend

KW - power cable

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