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    • 2. 发明授权
    • Electrical insulating resin material, electrical insulating material, and electric wire and cable using the same
    • 电绝缘树脂材料,电绝缘材料,以及使用其的电线电缆
    • US06479590B1
    • 2002-11-12
    • US09787376
    • 2001-03-16
    • Masaaki IkedaYoshimi Shimizu
    • Masaaki IkedaYoshimi Shimizu
    • C08L2326
    • H01B3/441C08F210/16C08F255/00C08F255/02C08F255/08C08L9/00C08L21/00C08L23/02C08L23/0815C08L51/06C08L2203/202C08L2666/24C08L2666/02C08L2666/04
    • The present invention relates to a resin material for an electrical insulating material, an electrical insulating material and electric wire and cable using the same. A resin material for an electrical insulating material according to present invention is characterized in that the resin component thereof comprises an ethylene &agr;-olefin copolymer (A) which satisfies specific conditions, such as a density of 0.92˜0.96 g/cm3, a melt flow rate (MFR) of 0.01˜200 g/10 minutes, a molecular weight distribution (Mw/Mn) of 1.5˜5.0, and possessing only one peak in terms of the number of peaks observed in an elution temperature-eluted amount curve as measured by the temperature raising elution fractionation (TREF) method, etc., wherein said resin component contains a unit derived from at least one type of monomer selected from among a carbonyl or carbonyl derivative group-containing monomer, a hydroxyl group-containing monomer, a nitro group-containing monomer, a nitrile group-containing monomer, an aromatic ring-containing monomer, and a compound or monomer containing two or more ethylenic linkages. This resin material for an electrical insulating material is suitable for use in an electrical insulating material for an electric wire and cable, as it exhibits excellent processability and electrical insulating properties without degradation of the mechanical strength, and even after cross-linking, exhibits superior electrical insulating properties.
    • 本发明涉及一种电绝缘材料用树脂材料,电绝缘材料及使用其的电线电缆。 根据本发明的电绝缘材料用树脂材料的特征在于,其树脂成分含有满足特定条件的乙烯α-烯烃共聚物(A),例如密度为0.92〜0.96g / cm 3,熔体流动 速率(MFR)为0.01〜200g / 10分钟,分子量分布(Mw / Mn)为1.5〜5.0,仅在测定的洗脱温度洗脱量曲线中观察到的峰的数量方面仅具有一个峰 通过升温洗脱分级(TREF)方法等,其中所述树脂组分含有衍生自选自含羰基或含羰基衍生物基团的单体,含羟基的单体,至少一种 含硝基的单体,含腈基的单体,含芳香族环的单体,以及含有2个以上烯键的化合物或单体。 这种用于电绝缘材料的树脂材料适用于电线和电缆的电绝缘材料,因为它表现出优异的加工性能和电绝缘性能,而不会降低机械强度,甚至在交联之后,表现出优异的电 绝缘性能。