发明名称 |
Non-crosslinked polyethylene composition for power cable |
摘要 |
Provided is a non-crosslinked polyethylene composition for a power cable in which crosslinked polyethylene widely used in the world as an existing insulator for a power cable is replaced with a non-crosslinked polyethylene resin, and more particularly, a non-crosslinked polyethylene composition for a power cable having excellent processability, AC dielectric breakdown strength, space charge distribution, and water tree resistance. |
申请公布号 |
US8981007(B2) |
申请公布日期 |
2015.03.17 |
申请号 |
US201313849587 |
申请日期 |
2013.03.25 |
申请人 |
SK Innovation Co., Ltd.;SK Global Chemical Co., Ltd. |
发明人 |
Lee Jae Soon;Cho Kyu Cheol;Ku Kwang Hoi |
分类号 |
C08L23/00;C08L23/04;C08L23/08;H01B3/30;H01B3/44 |
主分类号 |
C08L23/00 |
代理机构 |
Cantor Colburn LLP |
代理人 |
Cantor Colburn LLP |
主权项 |
1. A non-crosslinked polyethylene composition for a power cable comprising:
(a) a binder including 70 to 95 weight % of a linear polyethylene resin including α-olefin having at least four carbon atoms as a comonomer and having a melt index of 0.5 to 2.2 g/10 min (at 190° C. under a load of 2.16 kg), a molecular weight distribution of 2 to 5, and a density of 0.920 to 0.945 g/cm3, and 5 to 30 weight % of a low-density polyethylene resin having a melt index of 0.3 to 12 g/10 min (at 190° C. under a load of 2.16 kg) and a molecular weight distribution of 2 to 6; (b) 1 to 20 parts by weight of polyethylene including 0.1 to 2 weight % of a polar group in a chain and having a density of 0.920 to 0.960 g/cm3 based on 100 parts by weight of the binder; and (c) additives. |
地址 |
KR |