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    • 4. 发明公开
    • 전력케이블용 비 가교 폴리에틸렌 조성물
    • 用于电力电缆的非固化聚乙烯组合物
    • KR1020130108713A
    • 2013-10-07
    • KR1020120030344
    • 2012-03-26
    • 에스케이이노베이션 주식회사에스케이종합화학 주식회사
    • 이재순조규철구광회
    • C08L23/06C08F210/16H01B3/44H01B9/00
    • H01B3/307C08L23/0815H01B3/441
    • PURPOSE: A non-crosslinked polyethylene composition is provided to be environmentally-friendly by recycling the non-crosslinked polyethylene composition and to enhance workability, alternating current dielectric breakdown strength, space charge distribution and watertree resistivity. CONSTITUTION: A non-crosslinked polyethylene composition for power cable includes a binder including linear polyethylene resins and additive. The linear polyethylene resin comprises α-olefin which includes 4 or more of carbons as a comonomer. The linear polyethylene resin has a melt index of 0.5-2.2 g/10 minutes (190°C, a loading condition of 2.16Kg), the distribution of molecular weight of 2-5, and the density of 0.920-0.945 g/cm^3. The binder comprises 70-95 wt% of the linear polyethylene resin and 5-30 wt% of low-density polyethylene resin which has 0.3-12g/10minutes (190°C, a loading condition of 2.16Kg) of melt index and 2-6 of distribution of molecular weight.
    • 目的:通过再循环非交联聚乙烯组合物并提高加工性,交流电介质击穿强度,空间电荷分布和水分电阻率,提供非交联聚乙烯组合物以使环境友好。 构成:用于电力电缆的非交联聚乙烯组合物包括含有线性聚乙烯树脂和添加剂的粘合剂。 线性聚乙烯树脂包括包含4个或更多个作为共聚单体的碳的α-烯烃。 线性聚乙烯树脂的熔体指数为0.5-2.2g / 10分钟(190℃,负载条件为2.16Kg),分子量分布为2-5,密度为0.920-0.945g / cm 2 3。 粘合剂包含70-95重量%的线性聚乙烯树脂和5-30重量%的低密度聚乙烯树脂,其熔体指数为0.3-12克/ 10分钟(190℃,负载条件为2.16Kg)和2- 6分子量分布。