INSULATED WIRE, AND INSULATING RESIN COMPOSITION

WIPO Patent Application WO/2018/074233

A1

This insulated wire is provided with a conductor, and an insulation layer which coats the outer circumference of the conductor. The insulation layer comprises a crosslinked product of an insulating resin composition which includes a resin component, and 30-100 parts by mass of a fire retardant and 1-5 parts by mass of a crosslinking aid per 100 parts by mass of the resin component. The resin component either: includes a first copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having four or more carbon atoms, and has a density of less than 0.88 g/cm3, a second copolymer which is a copolymer of ethylene and an unsaturated hydrocarbon having four or more carbon atoms, and has a density of at least 0.88 g/cm3, but less than 0.91 g/cm3, and a third copolymer which is a copolymer of an acrylic acid ester and ethylene or a copolymer of a methacrylic acid ester and ethylene; or includes the second copolymer and the third copolymer. The content of the second copolymer is at least 40 mass% of the total content of the first and second copolymers, and not more than 60 mass% of the total content of the first, second, and third copolymers. The ratio (mass ratio) of the total content of the first and second copolymers to the content of the third copolymer is in the range of 80:20 to 40:60.

YANAGAWA NAYU (JP)
TANAKA SHIGEYUKI (JP)
FUJITA TARO (JP)
NISHIKAWA SHINYA (JP)
OOSHIMA TAKUMI (JP)
OKAWA HIROYUKI (JP)

PCT/JP2017/036112

April 26, 2018

October 04, 2017

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SUMITOMO ELECTRIC INDUSTRIES (JP)

H01B7/29; C08K3/00; C08K5/00; C08L23/08; H01B3/44; H01B7/02

WO2015159788A1

2015-10-22

NAKATA Motomi et al. (JP)

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