POLYPROPYLENE COMPOSTION FOR CABLE INSULATION

    公开(公告)号:US20240158623A1

    公开(公告)日:2024-05-16

    申请号:US18283086

    申请日:2022-03-23

    Applicant: Borealis AG

    CPC classification number: C08L23/14 H01B3/307 C08L2203/206 C08L2207/02

    Abstract: The present invention relates to a polypropylene composition comprising a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms with a total amount of comonomer units of from 10.0 to 16.0 wt %, based on the total amount of monomer units in the polypropylene composition, wherein the polypropylene composition has a xylene cold soluble (XCS) fraction in a total amount of from 25.0 to 50.0 wt %, based on the total weight amount of the polypropylene composition, with an amount of comonomer units of at least 22 wt %, based on the total amount of monomer units in the xylene cold soluble (XCS) fraction, a melt flow rate MFR2 of from 0.5 to 2.5 g/10 min, a flexural modulus of not more than 385 MPa, and wherein the polypropylene composition is free of an alpha-nucleating agent, an article comprising said polypropylene composition, preferably a cable comprising an insulation layer comprising said polypropylene composition and the use of said polypropylene composition as cable insulation for medium and high voltage cables.

    POLYOLEFIN COMPOSITION FOR MEDIUM/HIGH/EXTRA HIGH VOLTAGE CABLES COMPRISING BENZIL-TYPE VOLTAGE STABILISER
    2.
    发明申请
    POLYOLEFIN COMPOSITION FOR MEDIUM/HIGH/EXTRA HIGH VOLTAGE CABLES COMPRISING BENZIL-TYPE VOLTAGE STABILISER 审中-公开
    用于包含BENZIL型电压稳定器的中/高/额外高压电缆的聚烯烃组合物

    公开(公告)号:US20160304699A1

    公开(公告)日:2016-10-20

    申请号:US15101188

    申请日:2014-12-20

    Applicant: BOREALIS AG

    CPC classification number: C08K5/12 C08K5/132 C09K15/06 H01B3/441

    Abstract: The present invention relates to a polyolefin composition comprising (A) a polyolefin, (B) a benzil derivative comprising, preferably consisting of, the structural unit according to the following formula (I) wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently from each other are hydrogen, or a hydrocarbyl group which may contain heteroatoms or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I) and at least R1 or R2 is an ester group. The invention also relates to a wire or cable, in particular a medium, high or extra high voltage cable, comprising such a composition, and to the use of such a composition for the production of a wire or cable, in particular a medium, high or extra high voltage cable.

    Abstract translation: 本发明涉及一种聚烯烃组合物,其包含(A)聚烯烃,(B)一种苯偶酰衍生物,其包含,优选由根据下式(I)的结构单元组成,其中R1,R2,R3,R4,R5,R6 ,R 7,R 8,R 9和R 10彼此独立地是氢或可以含有杂原子或所述R 1,R 2,R 3,R 4,R 5,R 6,R 7,R 8,R 9和R 10中的至少两个的烃基, 式(I)的环体系的环原子连接,形成与式(I)的环系稠合的另外的芳族或非芳香环,并且至少R1或R2是酯基。 本发明还涉及一种电线或电缆,特别是包含这种组合物的介质,高压或超高压电缆,以及这种组合物用于生产电线或电缆,特别是介质,高 或超高压电缆。

    SEMICONDUCTIVE POLYPROPYLENE COMPOSITION
    4.
    发明公开

    公开(公告)号:US20240002647A1

    公开(公告)日:2024-01-04

    申请号:US18039023

    申请日:2021-11-29

    Applicant: Borealis AG

    Abstract: The present invention relates to a semiconductive composition comprising (A) at least 52.0 wt %, preferably from 55.0 to 90.0 wt %, more preferably from 60.0 to 85.0 wt %, most preferably from 65.0 to 80.0 wt % of a heterophasic propylene copolymer having a matrix phase and an elastomeric phase dispersed in said matrix phase, based on the total weight amount of the semiconductive composition; and (B) from 5.0 to 40.0 wt %, preferably from 10.0 to 38.0 wt %, more preferably from 15.0 to 35.0 wt %, most preferably from 20.0 to 33.0 wt % of carbon black based on the total weight amount of the semiconductive composition, an article comprising said semiconductive composition, preferably a cable comprising an semiconductive layer comprising said semiconductive composition and the use of said semiconductive composition as inner and/or outer semiconductive layer for medium and high voltage cables.

    POLYPROPYLENE COMPOSITION FOR CABLE INSULATION

    公开(公告)号:US20240199865A1

    公开(公告)日:2024-06-20

    申请号:US18549717

    申请日:2022-03-23

    Applicant: BOREALIS AG

    Abstract: The present invention relates to a polypropylene composition comprising (A) a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms with a total amount of comonomer units of from 10.0 to 16.0 wt %, based on the total amount of monomer units in the polypropylene composition, and (B) an alpha-nucleating agent; wherein the polypropylene composition has a xylene cold soluble (XCS) fraction in a total amount of from 25.0 to 50.0 wt %, based on the total weight amount of the polypropylene composition, with an amount of comonomer units of at least 23.0 wt %, based on the total amount of monomer units in the xylene cold soluble (XCS) fraction, a melt flow rate MFR2 of from 0.5 to 5.0 g/10 min, and a flexural modulus of not more than 470 MPa, an article comprising said polypropylene composition, preferably a cable comprising an insulation layer comprising said polypropylene composition and the use of said polypropylene composition as cable insulation for medium and high voltage cables.

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