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    Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
    1.
    发明授权
    Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof 有权
    具有改进的均匀性和气味的聚合物组合物，制造它们的方法和由其制成的管

    公开(公告)号：US08530580B2

    公开(公告)日：2013-09-10

    申请号：US12995978

    申请日：2009-05-25

    申请人： Mats Bäckman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlöf

    发明人： Mats Bäckman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlöf

    IPC分类号： C08L23/08 ,  C08F4/6592

    CPC分类号： C08L23/06 ,  C08L23/0815 ,  C08L2205/02 ,  Y10T428/139 ,  C08L2666/06

    摘要： The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 924 to 960 kg/m3, a melt index MFR5 of from 0.5 to 6.0 g/10 min, a melt index MFR2 of from 0.1 to 2.0 g/10 min and a shear thinning index SHI2.7/210 of from 2 to 50. The compositions further have a level of volatile compounds of at most 100 ppm by weight and/or a homogeneity rating of at most 3. In addition the multimodal copolymer comprises: (A) from 35 to 60% by weight, based on the combined amount of components (A) and (B), of a low molecular weight ethylene polymer selected from ethylene homopolymer and a copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms and having a weight average molecular weight of from 5000 to 100000 g/mol and a density of from 945 to 975 kg/m3; and (B) from 40 to 65% by weight, based on the combined amount of components (A) and (B), of a high molecular weight copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms and having a weight average molecular weight of from 100000 to 1000000 g/mol and a density of from 890 to 935 kg/m3.

    摘要翻译： 本发明涉及适于制造管道的聚合物组合物。 组合物包含乙烯和一种或多种具有4至10个碳原子的α-烯烃的多峰共聚物，其中多峰乙烯共聚物的密度为924至960kg / m 3，熔体指数MFR 5为0.5至6.0g / 10分钟，熔体指数MFR 2为0.1至2.0g / 10min，剪切稀化指数SHI2.7 / 210为2至50.组合物还具有至多100重量ppm的挥发性化合物和/ 或均一性等级至多为3.另外，多峰共聚物包含：（A）35至60重量％，基于组分（A）和（B）的组合量，选择低分子量乙烯聚合物 来自乙烯均聚物和乙烯与一种或多种具有4至10个碳原子的α-烯烃的共聚物，其重均分子量为5000至100000g / mol，密度为945至975kg / m 3; 和（B）40至65重量％，基于组分（A）和（B）的组合量，乙烯和一种或多种具有4至10个碳原子的α-烯烃的高分子量共聚物和 重均分子量为100000〜1000000g / mol，密度为890〜935kg / m 3。

    Polymer compositions and pressure-resistant pipes made therefrom
    3.
    发明授权
    Polymer compositions and pressure-resistant pipes made therefrom 有权
    由其制成的聚合物组合物和耐压管

    公开(公告)号：US08557924B2

    公开(公告)日：2013-10-15

    申请号：US12995604

    申请日：2009-05-25

    申请人： Mats Bäckman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlöf

    发明人： Mats Bäckman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlöf

    IPC分类号： C08L23/04 ,  C08L23/08 ,  C08F4/6592

    CPC分类号： F16L9/12 ,  C08L23/04 ,  C08L23/06 ,  C08L23/0815 ,  C08L2314/06 ,  Y10T137/0318 ,  Y10T428/139 ,  C08L2666/06

    摘要： The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 924 to 935 kg/m3, a melt index MFR5 of from 0.5 to 6.0 g/10 min, a melt index MFR2 of from 0.1 to 2.0 g/10 min and a shear thinning index SHI2.7/210 of from 2 to 50. In addition the multimodal copolymer comprises: (A) from 30 to 70% by weight, based on the combined amount of components (A) and (B), of a low molecular weight ethylene polymer selected from ethylene homopolymer and a copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms and having a weight average molecular weight of from 5000 to 100000 g/mol and a density of from 945 to 975 kg/m3; and (B) from 30 to 70% by weight, based on the combined amount of components (A) and (B), of a high molecular weight copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms and having a weight average molecular weight of from 100000 to 1000000 g/mol and a density of from 890 to 929 kg/m3.

    摘要翻译： 本发明涉及适于制造管道的聚合物组合物。 组合物包含乙烯和一种或多种具有4至10个碳原子的α-烯烃的多峰共聚物，其中多峰乙烯共聚物的密度为924至935kg / m 3，熔体指数MFR 5为0.5至6.0g / 10分钟，熔体指数MFR 2为0.1至2.0g / 10min，剪切稀化指数SHI2.7 / 210为2至50.此外，多峰共聚物包含：（A）30至70重量％ 基于组分（A）和（B）的组合量，选自乙烯均聚物和乙烯与一种或多种具有4至10个碳原子并且具有重均分子的α-烯烃的共聚物的低分子量乙烯聚合物 分子量为5000至100000g / mol，密度为945至975kg / m 3; 和（B）30至70重量％，基于组分（A）和（B）的组合量，乙烯和一种或多种具有4至10个碳原子的α-烯烃的高分子量共聚物和 重均分子量为100000〜1000000g / mol，密度为890〜929kg / m 3。

    Pressureless pipe comprising a multimodal polyethylene composition with an inorganic filler
    4.
    发明授权
    Pressureless pipe comprising a multimodal polyethylene composition with an inorganic filler 有权
    包括具有无机填料的多峰聚乙烯组合物的无压管

    公开(公告)号：US08372499B2

    公开(公告)日：2013-02-12

    申请号：US12064088

    申请日：2006-08-02

    申请人： Carl-Gustaf Ek ,  Mats Bäckman

    发明人： Carl-Gustaf Ek ,  Mats Bäckman

    IPC分类号： B29D22/00 ,  B29D23/00 ,  B32B1/08

    CPC分类号： C08L23/06 ,  C08F210/16 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2308/00 ,  F16L9/12 ,  Y10T428/1352 ,  Y10T428/139 ,  Y10T428/1397 ,  Y10T428/31855 ,  C08L2666/04 ,  C08L2666/06 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/13 ,  C08F2500/17

    摘要： The present invention relates to 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, and (B) a second ethylene homo- or copolymer fraction, wherein fraction (A) has a lower average molecular weight than fraction (B), the base resin has a flexural modulus determined according to ISO 178 of 1000 MPa or higher, and the composition further comprises (C) an inorganic mineral filler, wherein inorganic mineral filler (C) is present in the composition in an amount of 1 to 70 wt. %, and to the use of said composition for the production of a pipe or a supplementary pipe article.

    摘要翻译： 本发明涉及一种包含聚乙烯组合物的管或辅助管制品，所述聚乙烯组合物包含基础树脂，其包含（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）具有比分数（B）更低的平均分子量，基础树脂具有根据ISO 178测定的挠曲模量为1000MPa或更高，组合物还包含（C）无机矿物填料，其中无机矿物填料 C）以1〜70重量％的量存在于组合物中。 ％，以及所述组合物用于生产管道或辅助管道制品的用途。

    Counter-rotating twin screw extruder
    8.
    发明申请
    Counter-rotating twin screw extruder 审中-公开
    反向旋转双螺杆挤出机

    公开(公告)号：US20090213681A1

    公开(公告)日：2009-08-27

    申请号：US11988647

    申请日：2005-07-12

    申请人： Carl-Gustaf Ek ,  Yutaka Mizutani ,  Takayuki Yamazawa ,  Junichi Iwai ,  Shigeki Inoue ,  Arne Syre ,  Jari Aarila

    发明人： Carl-Gustaf Ek ,  Yutaka Mizutani ,  Takayuki Yamazawa ,  Junichi Iwai ,  Shigeki Inoue ,  Arne Syre ,  Jari Aarila

    IPC分类号： B29B7/46 ,  B29C47/10

    CPC分类号： B29B7/465 ,  B29B7/488 ,  B29C48/05 ,  B29C48/08 ,  B29C48/09 ,  B29C48/2552 ,  B29C48/268 ,  B29C48/395 ,  B29C48/404 ,  B29C48/575 ,  B29C48/64

    摘要： A screw extruder having a body forming a chamber of two barrels housing two counter-rotating axis-parallel rotors, a supply port for the material to be mixed in the chamber at one end of the body, a discharge port for discharging the mixed material at the other end of the body, a conveying section with screws for feeding the material from the supply port downstream to a mixing section which comprises at least two mixing zones, each mixing zone having at least one forward-conveying wing and at least one backward-conveying wing downstream of the forward-conveying wing on each rotor characterized in that a throttle valve is provided in the chamber downstream of the mixing section, and downstream of the throttle valve a second conveying section with screws and a second mixing section are provided.

    摘要翻译： 一种螺杆挤出机，其具有形成容纳两个反向旋转轴线平行转子的两个筒体的主体，用于在所述主体的一端在所述室中混合的材料的供给口，用于将所述混合材料排出的排出口 主体的另一端，具有螺钉的输送部分，用于将材料从供给口向下游供给到包括至少两个混合区域的混合部分，每个混合区域具有至少一个前向输送翼和至少一个向后输送翼， 在每个转子上的向前输送机翼下游的输送机，其特征在于，在所述混合部分下游的所述室中设置有节流阀，并且在所述节流阀下游设置有具有螺钉和第二混合部的第二输送部。

    Use of cross-linked polyolefins material in pressure pipes
    10.
    发明授权
    Use of cross-linked polyolefins material in pressure pipes 失效
    在压力管道中使用交联聚烯烃材料

    公开(公告)号：US06325959B1

    公开(公告)日：2001-12-04

    申请号：US09077481

    申请日：1998-09-04

    申请人： Carl-Gustaf Ek ,  Lars Höjer

    发明人： Carl-Gustaf Ek ,  Lars Höjer

    IPC分类号： D01D524

    摘要： Use of at least partly cross-linked polyolefin plastic, which is oriented biaxially, as material for pressure pipes, is described. The pressure pipe is produced by extrusion with subsequent axial and peripheral orientation of the pipe, the pipe being at least partly cross-linked before the biaxial orientation. Preferably, the pipe is cross-linked to about 20-50% before orientation. By the at least partial cross-linking before orientation, this can be carried out at temperatures above the crystalline melting point of the plastic material.

    摘要翻译： 描述了使用至少部分交联的聚烯烃塑料，其是双轴取向的，作为压力管的材料。 压力管通过随后的管的轴向和周向定向的挤出生产，管在双轴取向之前至少部分地交联。 优选地，管在取向前交联至约20-50％。 通过取向前的至少部分交联，可以在高于塑料材料的结晶熔点的温度下进行。