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    • 2. 发明公开
    • 무할로겐 난연 절연 전선
    • 无卤阻燃绝缘电线
    • KR1020100058417A
    • 2010-06-03
    • KR1020097017972
    • 2009-03-10
    • 스미토모 덴키 고교 가부시키가이샤
    • 마야마유헤이모리유치기요아키하야미히로시오카와히로유키
    • H01B7/04H01B7/02
    • H01B7/295H01B3/30H01B3/42
    • Disclosed is a halogen-free flame-retardant insulating electric wire which can reduce a leakage current at a high frequency and a high voltage, fulfils the requirements with regard to flame retandancy and flexibility, and can contribute to the reduction in environmental load. The halogen-free flame-retardant insulating electric wire comprises a conductive body, a first insulating layer which covers the conductive body, and a second insulating layer which covers the first insulating layer. The first insulating layer comprises a first resin composition, wherein the first resin composition has a dielectric constant of 3.2 or less and comprises: 100 parts by mass of a resin component comprising 20 to 50 parts by mass of a polyester resin, 20 to 50 parts by mass of a polyphenylene ether resin and 30 to 60 parts by mass of a component composed of a styrene elastomer and a polyolefin resin at a ratio of 0:100 to 100:0; and 5 to 70 parts by mass of a nitrogen-containing flame retardant agent. The second insulating layer comprises a second resin composition comprising 100 parts by mass of a resin component and 150 to 250 parts by mass of a metal hydroxide.
    • 公开了一种能够在高频和高电压下减少漏电流的无卤阻燃绝缘电线,满足了火焰回退性和柔韧性的要求,可有助于降低环境负荷。 无卤阻燃绝缘电线包括导电体,覆盖导电体的第一绝缘层和覆盖第一绝缘层的第二绝缘层。 第一绝缘层包括第一树脂组合物,其中第一树脂组合物的介电常数为3.2或更小,并包括:100质量份的树脂组分,其包含20至50质量份的聚酯树脂,20至50份 的聚苯醚树脂和30〜60质量份以苯乙烯弹性体和聚烯烃树脂组成的组分,其比例为0:100〜100:0; 和5〜70质量份的含氮阻燃剂。 第二绝缘层包含含有100质量份树脂成分和150〜250质量份金属氢氧化物的第二树脂组合物。