利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

37 条记录 (耗时 0.017 秒)

    Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof
    4.
    发明公开
    Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof 有权
    使用多峰乙烯共聚物涂覆管具有高吞吐量的方法和派生涂覆管

    公开(公告)号：EP2072588A1

    公开(公告)日：2009-06-24

    申请号：EP07024738.2

    申请日：2007-12-20

    申请人： Borealis Technology Oy

    发明人： Bäckman, Mats ,  Anker, Martin ,  Fredriksen, Siw Bodil ,  Leiden, Leif ,  Vahteri, Markku ,  Rekonen, Petri

    IPC分类号： C09D123/06 ,  C08L23/06 ,  C08L23/08

    CPC分类号： C08L23/06 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2308/00 ,  Y10T428/1352 ,  Y10T428/1355 ,  Y10T428/1359 ,  Y10T428/1393 ,  C08L2666/06

    摘要： The present invention deals with coated pipes having a layer of multimodal polyethylene. The multimodal ethylene copolymer is a copolymer of ethylene with one or more alpha-olefin comonomers having from 4 to 10 carbon atoms and has a weight average molecular weight of from 70000 g/mol to 250000 g/mol, the ratio of the weight average molecular weight to the number average molecular weight, Mw/Mn, of from 15 to 50, a melt index MFR 2 of from 0.05 g/10 min to 5 g/10 min, a melt index MFR 5 of from 0.5 to 10 g/10 min and a density of from 930 kg/m 3 to 955 kg/m 3 . The pipes can be coated with high throughput and good production economy. The coatings have good mechanical properties.

    摘要翻译： 本发明与具有多峰聚乙烯层的涂层管的交易。 所述多峰乙烯共聚物是与一种或多种具有4至10个碳原子的多种α-烯烃共聚单体的乙烯的共聚物，并且具有70,000克/摩尔的重均分子量至250,000克/摩尔，重均分子量之比 重量的数均分子量，Mw / Mn为从15至50的，熔体指数MFR 2为0.05克/ 10分钟至5克/ 10分钟，熔体指数MFR 5为0.5至10克/ 10 分钟的为930kg / m 3的955千克/米3的密度。 该管道可涂有高吞吐量和良好的生产经济性。 该涂料具有良好的机械性能。

    Multimodal polyethylene composition with improved homogeneity
    6.
    发明公开
    Multimodal polyethylene composition with improved homogeneity 无效
    具有改善的均匀性的多峰聚乙烯组合物

    公开(公告)号：EP1655337A1

    公开(公告)日：2006-05-10

    申请号：EP04026093.7

    申请日：2004-11-03

    申请人： Borealis Technology Oy

    发明人： Bäckman, Mats ,  Van Praet, Erik ,  Gustafsson, Bill ,  Van Marion, Remko

    IPC分类号： C08L23/06 ,  C08L23/04 ,  C08F10/02 ,  C08F2/00

    CPC分类号： C08L23/04 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2666/06

    摘要： The present invention in a first embodiment concerns a multimodal, preferably bimodal, polyethylene composition comprising a base resin which comprises

    (A) a first ethylene homo- or copolymer fraction, and
    (B) a second ethylene homo- or copolymer fraction,

    wherein fraction (A) has a lower molecular weight than fraction (B), the ratio of the MFR 2 of fraction (A) and the MFR 5 of the base resin being at least 50 and the composition has a white spot area of 1 % or below.
    In a second embodiment, the present invention concerns a polyethylene composition comprising a base resin comprising

    (A) a first ethylene homo- or copolymer fraction, and
    (B) a second ethylene homo- or copolymer fraction,

    wherein fraction (A) has a lower molecular weight than fraction (B), the ratio of the MFR 2 of fraction (A) and the MFR 5 of the base resin being at least 50 and the composition has a rating in the ISO 18553 white spot rating test of below 4.5.
    Furthermore, the present invention relates to a process for the production of said compositions as well as to the use of said compositions for the production of an article, in particular a pipe.

    摘要翻译： 第一实施方案中的本发明涉及包含基础树脂的多峰优选双峰聚乙烯组合物，所述基础树脂包含（A）第一乙烯均聚物或共聚物部分和（B）第二乙烯均聚物或共聚物部分，其中（ A）具有比部分（B）更低的分子量，部分（A）的MFR 2与基础树脂的MFR 5的比率为至少50，并且组合物具有1％或更低的白斑面积。 在第二个实施方案中，本发明涉及包含基础树脂的聚乙烯组合物，所述基础树脂包含（A）第一乙烯均聚物或共聚物部分和（B）第二乙烯均聚物或共聚物部分，其中部分（A）具有更低 （B）的分子量，组分（A）的MFR 2和基础树脂的MFR 5之比至少为50，并且该组合物在ISO 18553白色评分试验中的评分低于4.5。 此外，本发明涉及生产所述组合物的方法以及所述组合物用于生产制品，特别是管道的用途。

    Coated pipes having improved mechanical properties at elevated temperatures and a method of production thereof
    8.
    发明公开
    Coated pipes having improved mechanical properties at elevated temperatures and a method of production thereof 审中-公开
    涂层管具有在高温和制造方法改善的机械性能及其

    公开(公告)号：EP2072587A1

    公开(公告)日：2009-06-24

    申请号：EP07024737.4

    申请日：2007-12-20

    申请人： Borealis Technology Oy

    发明人： Anker, Martin ,  Fredriksen, Siw Bodil ,  Bentzrod, Pal Christian ,  Bäckman, Mats ,  Leiden, Leif ,  Vahteri, Markku ,  Rekonen, Petri

    IPC分类号： C09D123/06 ,  C09D123/08 ,  C08L23/08 ,  C08L23/06

    摘要： The present invention deals with coated pipes having a layer of multimodal polyethylene. The multimodal ethylene copolymer is a copolymer of ethylene with one or more alpha-olefin comonomers having from 4 to 10 carbon atoms and has a weight average molecular weight of from 70000 g/mol to 250000 g/mol and a melt index MFR 2 of from 0.05 g/10 min to 5 g/10 min, a melt index MFR 5 of from 0.5 to 10 g/10 min and a density of from 945 kg/m 3 to 958 kg/m 3 . The coatings have a high stiffness, good properties at elevated temperatures and acceptable stress-cracking properties.

    摘要翻译： 本发明与具有多峰聚乙烯层的涂层管的交易。 所述多峰乙烯共聚物是与一种或多种具有4至10个碳原子的多种α-烯烃共聚单体的乙烯的共聚物，并且具有70,000克/摩尔至250,000克/摩尔的重均分子量和由熔体指数MFR 2为 0点05克/ 10分钟至5克/ 10分钟，熔体指数MFR 5为0.5至10克/ 10分钟和945千克/米3 958千克/米3的密度。 所述涂层具有高的刚度，在升高的温度和可接受的应力开裂性能良好的特性。

    Pipe comprising super slow crack growth resistant polyethylene
    9.
    发明公开
    Pipe comprising super slow crack growth resistant polyethylene 有权
    Rohr mit gegen extrem langsames RisswachstumbeständigemPolyethylen

    公开(公告)号：EP1985660A1

    公开(公告)日：2008-10-29

    申请号：EP07008371.2

    申请日：2007-04-25

    申请人： Borealis Technology Oy

    发明人： Bäckman, Mats

    IPC分类号： C08L23/06 ,  C08L23/08 ,  F16L9/12 ,  C08L23/04

    CPC分类号： C08L23/06 ,  C08L23/04 ,  C08L23/0815 ,  C08L2205/02 ,  Y10T428/13 ,  Y10T428/1352 ,  Y10T428/139 ,  Y10T428/1397 ,  C08L2666/06

    摘要： A pipe or a supplementary pipe article comprising a polyethylene composition comprising a base resin which comprises
    (A) a first ethylene homo- or copolymer fraction having an MFR 2 in the range of 300 to 700 g/10 min, and
    (B) a second ethylene homo- or copolymer fraction, wherein fraction (A) has a lower average molecular weight than fraction (B),

    wherein the base resin has a density in the range of 0.945 to 0.949 kg/cm 3 and an MFR 5 in the range of 0.2 to 0.4 g/10 min and a comonomer content of higher than 2.0 wt.-% and a SHI(2.7/210) in the range of 55 to 100.

    摘要翻译： 一种包含聚乙烯组合物的管道或辅助管道制品，所述聚乙烯组合物包含基础树脂，所述基础树脂包含（A）MFR 3在300至700g / 10min范围内的第一乙烯均聚物或共聚物部分，和（B）第二 乙烯均聚物或共聚物部分，其中级分（A）具有比级分（B）更低的平均分子量，其中基础树脂的密度在0.945至0.949kg / cm 3的范围内，MFR 5在 0.2〜0.4g / 10min，共聚单体含量高于2.0wt。％，SHI（2.7 / 210）在55〜100的范围内。

    Polyolefin composition with increased resistance to CIO2-containing water
    10.
    发明公开
    Polyolefin composition with increased resistance to CIO2-containing water 无效
    聚烯烃阻燃剂电阻式电阻器CIO2-enthaltenden wasser

    公开(公告)号：EP1911799A1

    公开(公告)日：2008-04-16

    申请号：EP06020747.9

    申请日：2006-10-02

    申请人： Borealis Technology Oy

    发明人： Hagstrand, Per-Ola ,  Nylander, Perry ,  Bäckman, Mats

    IPC分类号： C08K5/13 ,  C08K5/17 ,  C08K5/36 ,  C08L23/04

    CPC分类号： C08K5/375 ,  C08K5/13 ,  C08K5/3435 ,  Y10T137/0318 ,  C08L23/04

    摘要： The present invention relates to a polyolefin composition comprising a polyolefin base resin and an antioxidant, characterized in that said polyolefin composition has a lifetime of at least 200 h in a test measuring the resistance against ClO 2 -containing water at 90 °C and at a concentration of ClO 2 of 4 ppm wherein the equipment used is according to ASTM F2263-03.
    The present invention further relates to a pipe comprising the polyolefin composition according to the invention, to the use of the polyolefin composition for the production of a pipe, and to the use of a particularly selected antioxidant for increasing the resistance of a polyolefin composition against degradation caused by contact with ClO 2 -containing water.

    摘要翻译： 本发明涉及一种包含聚烯烃基础树脂和抗氧化剂的聚烯烃组合物，其特征在于所述聚烯烃组合物在测试在90℃和在90℃下对含ClO 2的水的抗性的试验中具有至少200小时的寿命 浓度为4ppm的ClO 2，其中使用的设备根据ASTM F2263-03。 本发明还涉及一种包含根据本发明的聚烯烃组合物的管，涉及使用聚烯烃组合物来生产管子，以及使用特别选择的抗氧化剂来增加聚烯烃组合物抵抗降解的阻力 由与含ClO 2的水接触引起的。