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    Polyethylene Pipe Resin with High Resistance to Slow Crack Growth
    1.
    发明公开
    Polyethylene Pipe Resin with High Resistance to Slow Crack Growth 审中-公开

    公开(公告)号：US20230257489A1

    公开(公告)日：2023-08-17

    申请号：US18014219

    申请日：2021-07-07

    申请人： Borealis AG

    发明人： Andrey Buryak ,  Victor Sumerin ,  Franz Ruemer ,  Jari Aarila ,  Joy Jie Cheng

    IPC分类号： C08F10/02 ,  C08F210/14 ,  C08L23/08 ,  C08F2/00 ,  C08K3/04

    CPC分类号： C08F10/02 ,  C08F210/14 ,  C08L23/0815 ,  C08F2/001 ,  C08K3/04 ,  C08L2203/18 ,  C08L2314/02 ,  C08K2201/019

    摘要： The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 51.0 to 58.5 wt. %, preferably 52.0 to 57.5 wt. %, more preferably 53.0 to 57.0 wt. % based on the total weight of the base resin, wherein fraction (B) of the base resin has a content of units derived from hexene-1 from 0.80 to 1.45 mol %, preferably of from 0.82 to 1.35 mol % and more preferably of from 0.85 to 1.30 mol %, wherein the base resin has a number average molecular weight Mn of 8,500 g/mol or higher, and wherein the polyethylene composition has a melt flow rate MFRs from 0.10 to 0.30 g/10 min, preferably from 0.15 to 0.28, and still more preferably from 0.16 to 0.25 g/10 min, to a process for producing the polyethylene composition, to an article, especially a pipe comprising the polyethylene composition and to the use of the polyethylene composition for the production of an article, especially a pipe.

    Polyethylene composition for pipe and pipe coating applications
    3.
    发明授权
    Polyethylene composition for pipe and pipe coating applications 有权
    用于管道和管道涂层应用的聚乙烯组合物

    公开(公告)号：US09527934B2

    公开(公告)日：2016-12-27

    申请号：US14896843

    申请日：2014-09-24

    申请人： BOREALIS AG

    发明人： Andrey Buryak ,  Kurt Stubenrauch

    IPC分类号： C08F2/00 ,  C08F4/00 ,  C08F210/00 ,  C08F10/02 ,  C09D123/06 ,  C09D123/08 ,  C08L23/06 ,  C08L23/08 ,  C08F110/02

    CPC分类号： C08F10/02 ,  C08F110/02 ,  C08L23/06 ,  C08L23/0815 ,  C09D123/06 ,  C09D123/0815 ,  C08F210/16 ,  C08F4/6555 ,  C08F4/6546 ,  C08F4/6492 ,  C08F2/001 ,  C08F4/025 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/16 ,  C08F2500/07

    摘要： The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m3 and equal to or less than 952.5 kg/m3, determined according to ISO 1 183-1:2004, wherein the composition has a melt flow rate MFR5 (190° C., 5 kg) of 0.10 to 3.0 g/10 min, determined according to ISO 1 133, a storage modulus of G (2 kPa) of 600 Pa to 900 Pa, a shear thinning index SHI2.7/210 of 20 to 50 and the composition has an elongation at break (EB) at −45° C. in dependence of the molar comonomer content (mol. CC) of the base resin following the following equation EB[%]>175[%/mol %]·mol. CC[mol %], whereby the elongation at break (EB) is determined according to ISO 527-1 at a temperature of −45° C. and the molar co-monomer content (mol. CC) reflects the molar content of alpha-olefin comonomer units in the total content of monomer units of the base resin, an article comprising such a polyethylene composition and the use of such a polyethylene composition for the production of an article.

    摘要翻译： 本申请涉及一种聚乙烯组合物，其包含基础树脂，其是乙烯与至少一种具有3至12个碳原子的α-烯烃共聚单体的共聚物，所述基础树脂的密度大于940.0kg / m 3且等于或小于 根据ISO 1 183-1：2004确定的952.5kg / m 3，其中该组合物的熔体流动速率MFR5（190℃，5kg）为0.10-3.0g / 10min，根据ISO133测定 ，存储模量G（2kPa）为600Pa至900Pa，剪切稀化指数SHI2.7 / 210为20至50，并且组合物在-45℃下具有断裂伸长率（EB），依赖于 按照以下等式EB [％]> 175 [％/ mol％]·mol的基础树脂的共聚单体含量（mol CC）。 CC [mol％]，其中断裂伸长率（EB）根据ISO 527-1在-45℃的温度下测定，摩尔共聚单体含量（mol CC）反映了α- 基础树脂的单体单元的总含量的烯烃共聚单体单元，包含这种聚乙烯组合物的制品以及这种聚乙烯组合物用于制备制品的用途。

    Polyolefin Composition With Improved Resistance To High Temperature
    6.
    发明公开
    Polyolefin Composition With Improved Resistance To High Temperature 审中-公开

    公开(公告)号：US20230340240A1

    公开(公告)日：2023-10-26

    申请号：US18004987

    申请日：2021-07-07

    申请人： Borealis AG

    发明人： Andrey Buryak ,  Victor Sumerin ,  Anna Maria Hartl

    IPC分类号： C08L23/06 ,  F16L9/12

    CPC分类号： C08L23/06 ,  F16L9/12 ,  C08L2203/18 ,  C08L2314/02 ,  C08L2205/025

    摘要： The present invention relates to a polyethylene composition comprising a base resin which comprises a first ethylene homo- or copolymer fraction (A) having a melt flow rate MFR2 from 1 to 150 g/10 min, preferably from 5 to 100 g/10 min, and a second ethylene copolymer fraction (B) having a content of units derived from a comonomer from 0.30 to 1.00 mol %, preferably of from 0.40 to 0.85 mol % and more preferably of from 0.45 to 0.70 mol %, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 45 to 70 wt. %, preferably 47 to 67 wt. %, more preferably 49 to 65 wt. %, even more preferably 50 to 62 wt. % based on the total weight of the base resin; and wherein the polyethylene composition has a melt flow rate MFR5 from 0.10 to 0.35 g/10 min, preferably from 0.10 to 0.25 g/10 min and a strain hardening modulus from 50 to 150 MPa.

    Multimodal polyethylene
    8.
    发明授权
    Multimodal polyethylene 有权

    公开(公告)号：US10435493B2

    公开(公告)日：2019-10-08

    申请号：US15540138

    申请日：2015-12-29

    申请人： Abu Dhabi Polymers Company Limited (Borouge) LLC ,  Borealis AG

    发明人： Andrey Buryak ,  Ashish Kumar ,  Ibrahim Ali Ahmed

    IPC分类号： C08L23/06 ,  C08F210/16 ,  C08L23/08 ,  H01B3/44 ,  H01B7/02 ,  H01B11/00 ,  H01B11/02 ,  H01B11/18

    摘要： A multimodal polyethylene copolymer suitable for use in cable insulation comprising: (III) 45 to 55 wt % of a lower molecular weight component which is an ethylene copolymer of ethylene and at least one C3-12 alpha olefin comonomer, said LMW component having a density of 940 to 962 kg/m3 and an MFR2 of 50 to 500 g/10 min; (IV) 55 to 45 wt % of a higher molecular weight ethylene copolymer component of ethylene and at least one C3-12 alpha olefin comonomer; wherein said multimodal polyethylene copolymer has a density of 940 to 950 kg/m3, an MFR2 of 0.05 to 2.0 g/10 min and preferably at least one of crystallization half time>3.0 mins at 120.5° C., a crystallization half time>5.0 mins at 121° C. or a crystallization half time>10.0 mins at 122° C.

    HDPE
    9.
    发明授权
    HDPE 有权

    公开(公告)号：US10414910B2

    公开(公告)日：2019-09-17

    申请号：US15540094

    申请日：2015-12-29

    申请人： Abu Dhabi Polymers Company Limited (Borouge) LLC ,  Borealis AG

    发明人： Andrey Buryak ,  Ashish Kumar

    IPC分类号： C08L23/06 ,  C08L23/04 ,  C08L23/08 ,  C08F2/00

    摘要： A multimodal polyethylene copolymer comprising: (III) 35 to 55 wt % of a lower molecular weight ethylene homopolymer component having an MFR2 of 200 to 400 g/10 min; (IV) 45 to 65 wt % of a higher molecular weight ethylene copolymer component of ethylene and at least one C3-12 alpha olefin comonomer; wherein said multimodal polyethylene copolymer has a density of 955 to 962 kg/m3, an MFR2 of 2.0 to 10 g/10 min and an Mw/Mn of more than 9.0.

    POLYETHYLENE COMPOSITION FOR PIPE AND PIPE COATING APPLICATIONS
    10.
    发明申请
    POLYETHYLENE COMPOSITION FOR PIPE AND PIPE COATING APPLICATIONS 有权
    用于管道和管道涂层应用的聚乙烯组合物

    公开(公告)号：US20160122448A1

    公开(公告)日：2016-05-05

    申请号：US14896843

    申请日：2014-09-24

    申请人： BOREALIS AG

    发明人： Andrey Buryak ,  Kurt Stubenrauch

    IPC分类号： C08F10/02

    CPC分类号： C08F10/02 ,  C08F110/02 ,  C08L23/06 ,  C08L23/0815 ,  C09D123/06 ,  C09D123/0815 ,  C08F210/16 ,  C08F4/6555 ,  C08F4/6546 ,  C08F4/6492 ,  C08F2/001 ,  C08F4/025 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/16 ,  C08F2500/07

    摘要： The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m3 and equal to or less than 952.5 kg/m3, determined according to ISO 1 183-1:2004, wherein the composition has a melt flow rate MFRS (190° C., 5 kg) of 0.10 to 3.0 g/10 min, determined according to ISO 1 133, a storage modulus of G′ (2 kPa) of 600 Pa to 900 Pa, a shear thinning index SHI2.7/210 of 20 to 50 and the composition has an elongation at break (EB) at −45° C. in dependence of the molar comonomer content (mol. CC) of the base resin following the following equation EB [%]≧175 [%/mol %]·mol. CC [mol %], whereby the elongation at break (EB) is determined according to ISO 527-1 at a temperature of −45° C. and the molar co-monomer content (mol. CC) reflects the molar content of alpha-olefin comonomer units in the total content of monomer units of the base resin, an article comprising such a polyethylene composition and the use of such a polyethylene composition for the production of an article.

    摘要翻译： 本申请涉及一种聚乙烯组合物，其包含基础树脂，其是乙烯与至少一种具有3至12个碳原子的α-烯烃共聚单体的共聚物，所述基础树脂的密度大于940.0kg / m 3且等于或小于 根据ISO 1 183-1：2004确定的952.5kg / m 3，其中该组合物的熔体流动速率MFR（190℃，5kg）为0.10-3.0g / 10min，根据ISO133 ，储能模量G'（2kPa）为600Pa至900Pa，剪切稀化指数SHI2.7 / 210为20至50，并且组合物在-45℃依赖性地具有断裂伸长率（EB） 基础树脂的摩尔共聚单体含量（摩尔CC）按照以下等式EB [％]≥175[％/ mol％]·mol。 CC [mol％]，其中断裂伸长率（EB）根据ISO 527-1在-45℃的温度下测定，摩尔共聚单体含量（mol CC）反映了α- 基础树脂的单体单元的总含量的烯烃共聚单体单元，包含这种聚乙烯组合物的制品以及这种聚乙烯组合物用于制备制品的用途。