Process for degassing crosslinked power cables

    公开(公告)号:US10096404B2

    公开(公告)日:2018-10-09

    申请号:US15021008

    申请日:2014-09-09

    Abstract: A power cable comprising: (A) a conductor, (B) an insulation layer, and (C) a semiconductor layer comprising in weight percent based on the weight of the semiconductor layer: (1) 49-98% of a crosslinked olefin block copolymer (OBC) having a density less than ( ) 1, and comprising in weight percent based on the weight of the OBC: (a) 35-80% soft segment that comprises 5-50 mole percent (mol %) of units derived from a monomer comprising 3 to 30 carbon atoms; and (b) 20-65% hard segment that comprises 0.2-3.5 mol % of units derived from a monomer comprising 3 to 30 carbon atoms; (2) 2-51% conductive filler, the insulation layer and semiconductor layer in contact with one another, is degassed by a process comprising the step of exposing the cable to a temperature of at least 80° C. for a period of time of at least 24 hours.

    Process for Degassing Crosslinked Power Cables
    13.
    发明申请
    Process for Degassing Crosslinked Power Cables 审中-公开
    交联电力电缆脱气工艺

    公开(公告)号:US20160225490A1

    公开(公告)日:2016-08-04

    申请号:US15021008

    申请日:2014-09-09

    CPC classification number: H01B13/0016 H01B1/24 H01B3/441 H01B9/006 H01B19/02

    Abstract: A power cable comprising: (A) a conductor, (B) an insulation layer, and (C) a semiconductor layer comprising in weight percent based on the weight of the semiconductor layer: (1) 49-98% of a crosslinked olefin block copolymer (OBC) having a density less than ( ) 1, and comprising in weight percent based on the weight of the OBC: (a) 35-80% soft segment that comprises 5-50 mole percent (mol %) of units derived from a monomer comprising 3 to 30 carbon atoms; and (b) 20-65% hard segment that comprises 0.2-3.5 mol % of units derived from a monomer comprising 3 to 30 carbon atoms; (2) 2-51% conductive filler, the insulation layer and semiconductor layer in contact with one another, is degassed by a process comprising the step of exposing the cable to a temperature of at least 80° C. for a period of time of at least 24 hours.

    Abstract translation: 一种电力电缆,包括:(A)导体,(B)绝缘层,和(C)基于所述半导体层的重量的重量百分数的半导体层:(1)49-98%的交联烯烃嵌段 共聚物(OBC),其密度小于(<)0.9克/立方厘米(g / cm 3),熔体指数大于(>)1,并且包含基于OBC重量的重量百分比:(a)35 -80%软链段,其包含5-30摩尔%(mol%)衍生自包含3至30个碳原子的单体的单元; 和(b)20-65%的硬链段,其包含0.2-3.5mol%的源自含有3至30个碳原子的单体的单元; (2)2-51%的导电填料,绝缘层和半导体层彼此接触,通过包括将电缆暴露于至少80℃的温度的步骤的方法脱气一段时间 至少24小时。

    POLYMERIC COMPOSITIONS
    15.
    发明公开

    公开(公告)号:US20240076481A1

    公开(公告)日:2024-03-07

    申请号:US18261858

    申请日:2022-04-07

    CPC classification number: C08L23/0815 C09D123/0815 H01B3/441

    Abstract: A polymeric composition includes a resin including an ethylene-based polymer and a copolymer of ethylene and an alpha olefin comonomer. The resin has a High Mw Comonomer Content of 3.2 wt % or greater based on a total weight of the resin over the weight average molecular weight range of 105 g/mol to 105.5 g/mol as measured by Ethylene GPC. The polymeric composition has a Relevant Comonomer Content of 0.6 wt % or greater. The polymeric composition also includes at least one of (i) a polydimethylsiloxane having a weight average molecular weight of 550,000 g/mol to 650,000 g/mol as measured according to Component GPC and (ii) a polymeric ultraviolet light stabilizer comprising a hindered amine moiety and having a weight average molecular weight from 5,000 g/mol to 20,000 g/mol as measured according to Component GPC.

    SOLID CROSSLINKED POLYOLEFIN COMPOSITIONS FOR WIRE AND CABLE COATING

    公开(公告)号:US20210347968A1

    公开(公告)日:2021-11-11

    申请号:US17274727

    申请日:2019-12-06

    Abstract: The present disclosure provides a composition. In an embodiment, a crosslinked polymeric composition is provided and comprises (A) from 4 wt % to 45 wt % of a thermoplastic polymer, (B) from 52 wt % to 95 wt % of a moisture-curable polyolefin, and (C) from 0.05 wt % to 7 wt % of a moisture condensation catalyst. The present disclosure provides an article. In an embodiment, a coated conductor is provided and comprises a conductor, and a coating on the conductor. The coating comprises a crosslinked polymeric composition comprising (A) from 4 wt % to 45 wt % of a thermoplastic polymer, (B) from 52 wt % to 95 wt % of a moisture-curable polyolefin, and (C) from 0.05 wt % to 7 wt % of a moisture condensation catalyst.

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