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    Polyethylene composition for pipe applications with improved sagging and extrusion properties
    12.
    发明授权
    Polyethylene composition for pipe applications with improved sagging and extrusion properties 有权

    公开(公告)号：US10889697B2

    公开(公告)日：2021-01-12

    申请号：US15526951

    申请日：2016-03-22

    Applicant: Abu Dhabi Polymers Co. Ltd. (Borouge) L.L.C. ,  Borealis AG

    Inventor： Antti Tynys ,  Mohana Murali Adhyatma Bhattar ,  Jarmo Harjuntausta

    IPC: C08J3/20 ,  C08K3/04 ,  F16L11/04 ,  C08F210/16 ,  C08L23/08 ,  C08L23/06 ,  C08L23/04 ,  F16L9/12

    Abstract: The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black; wherein the low molecular weight component (A-1) has a melt flow rate MFR2 (190° C., 2.16 kg) of equal to or more than 150 g/10 min to equal to or less than 400 g/10 min, determined according to ISO 1133, the base resin (A) has a density of equal to or more than 943 kg/m3 to equal to or less than 957 kg/m3, determined according to ISO 1183, and the composition has a melt flow rate MFR5 (190° C., 5 kg) of equal to or more than 0.14 g/10 min to equal to or less than 0.30 g/10 min, determined according to ISO 1133, a viscosity at a constant shear stress of 747 Pa, eta747, of equal to or more than 800 kPa*s to equal to or less than 1300 kPa*s, and complies with the in-equation (I) eta747>−1800×MFR5+1200 (I), a process for producing said polyethylene composition and an article comprising said polyethylene composition.

    Polyethylene composition suitable for injection moulding applications
    13.
    发明授权
    Polyethylene composition suitable for injection moulding applications 有权

    公开(公告)号：US09783662B2

    公开(公告)日：2017-10-10

    申请号：US15021136

    申请日：2013-10-30

    Applicant: Abu Dhabi Polymers Co. LTD (Borouge) L.L.C. ,  Borealis AG

    Inventor： Cindy Xin Wang ,  Tanja Piel ,  Antti Tynys

    IPC: C08L23/06 ,  C08F210/16 ,  C08L23/08 ,  F16L9/12

    CPC classification number: C08L23/06 ,  C08F210/16 ,  C08K3/04 ,  C08L23/0815 ,  C08L2203/18 ,  C08L2205/025 ,  C08L2314/02 ,  F16L9/12 ,  C08F2/001 ,  C08F4/6492 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/07 ,  C08F2500/05

    Abstract: The present invention relates to a polyethylene composition comprising—a base resin comprising (A) a first ethylene homo- or copolymer component having a melt flow rate MFR2 (2.16 kg, 190° C.) of equal to or more than 150 g/10 min to equal to or less than 300 g/10 min, determined according to ISO 1133, and (B) a second ethylene homo- or copolymer component, —optional carbon black, —optional further polymer component(s) different to the first ethylene homo- or copolymer components (A) and (B), and —optional additive(s); wherein the first ethylene homo- or copolymer component (A) has a lower weight average molecular weight as the second ethylene homo- or copolymer component (B), and the weight ratio of the first ethylene homo- or copolymer component (A) to the second ethylene homo- or copolymer component (B) is from 40:60 to 47:53; the polyethylene composition has a melt flow rate MFR5 (5 kg, 190° C.) of equal to or more than 0.35 g/10 min to equal to or less than 0.60 g/10 min, determined according to ISO 1133. The invention further relates to a process for the production of such a polyethylene composition, an article, such as a pipe or pipe fitting comprising such a polyethylene composition and the use of such a polyethylene composition for the production of such an article.

    USE OF CARBON BLACK AND ANTIOXIDANTS FOR REDUCING TASTE AND/OR ODOUR IN A POLYOLEFIN COMPOSITION
    14.
    发明申请
    USE OF CARBON BLACK AND ANTIOXIDANTS FOR REDUCING TASTE AND/OR ODOUR IN A POLYOLEFIN COMPOSITION 审中-公开
    用于减少聚烯烃组合物中的烟气和/或气味的碳黑和抗氧化剂的使用

    公开(公告)号：US20140113998A1

    公开(公告)日：2014-04-24

    申请号：US14114660

    申请日：2012-06-13

    Applicant: BOREALIS AG

    Inventor： Antti Tynys ,  Martina Sandholzer ,  Svein Jamtvedt ,  Astrid-Caroline Knall ,  Alexander Standler

    IPC: C08K5/1545 ,  C08K3/04 ,  C08K5/13

    CPC classification number: C08K5/1545 ,  C08K3/04 ,  C08K5/005 ,  C08K5/13 ,  C08L23/02

    Abstract: The present invention relates to the use of a combination of additives comprising at least two of the following compounds: an antioxidant (A) according to formula (I): wherein R1, R2, R3, R4 and R5 independently are H, or non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, an antioxidant (B) according to formula (II): wherein o R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups; o X1, X2, and X3 independently are H or OH, with the provisio that at least one of X1, X2 and X3 is OH; and o the entire molecule does not comprise an ester group; carbon black; reducing taste and/or odour in a polyolefin composition.

    Abstract translation: 本发明涉及包含至少两种以下化合物的添加剂的组合的用途：式（I）的抗氧化剂（A）：其中R 1，R 2，R 3，R 4和R 5独立地为H， 可以包含杂原子的取代或取代的脂族或芳族烃基，根据式（II）的抗氧化剂（B）：其中R 6，R 7和R 8独立地是可以包含OH-基团的未取代或取代的脂族或芳族烃基 ; X 1，X 2和X 3独立地为H或OH，条件是X 1，X 2和X 3中的至少一个为OH; 且整个分子不包含酯基; 碳黑; 降低聚烯烃组合物中的味道和/或气味。

    POLYETHYLENE COMPOSITION SUITABLE FOR PIPE APPLICATIONS
    19.
    发明申请
    POLYETHYLENE COMPOSITION SUITABLE FOR PIPE APPLICATIONS 审中-公开

    公开(公告)号：US20180282504A1

    公开(公告)日：2018-10-04

    申请号：US15526951

    申请日：2016-03-20

    Applicant: Abu Dhabi Polymers Co. Ltd. (Borouge) L.L.C. ,  Borealis AG

    Inventor： Antti Tynys ,  Amos Tay

    IPC: C08K3/04 ,  C08J3/20 ,  F16L11/04

    Abstract: The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black; wherein the low molecular weight component (A-1) has a melt flow rate MFR2 (190° C., 2.16 kg) of equal to or more than 150 g/10 min to equal to or less than 400 g/10 min, determined according to ISO 1133, the base resin (A) has a density of equal to or more than 943 kg/m3 to equal to or less than 957 kg/m3, determined according to ISO 1183, and the composition has a melt flow rate MFR5 (190° C., 5 kg) of equal to or more than 0.14 g/10 min to equal to or less than 0.30 g/10 min, determined according to ISO 1133, a viscosity at a constant shear stress of 747 Pa, eta747, of equal to or more than 800 kPa*s to equal to or less than 1300 kPa*s, and complies with the in-equation (I) eta747 >−1800×MFR5+1200 (I), a process for producing said polyethylene composition and an article comprising said polyethylene composition.

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