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    Pressureless polymer pipe, a compositon therefore, and a process for preparing it
    2.
    发明授权
    Pressureless polymer pipe, a compositon therefore, and a process for preparing it 有权
    因此，无压聚合物管，组合物及其制备方法

    公开(公告)号：US08563109B2

    公开(公告)日：2013-10-22

    申请号：US11661574

    申请日：2005-08-30

    申请人： Carl-Gustaf Ek ,  Bo Malm ,  Olli Tuominen

    发明人： Carl-Gustaf Ek ,  Bo Malm ,  Olli Tuominen

    IPC分类号： B32B1/08 ,  C08L23/14 ,  C08L23/16 ,  C08L23/20

    CPC分类号： F16L9/147 ,  C08F210/06 ,  C08F210/16 ,  C08L23/12 ,  C08L23/14 ,  Y10T428/139 ,  C08F2/001 ,  C08L2666/06 ,  C08F2500/17 ,  C08F2500/12 ,  C08F2500/13

    摘要： A pressureless polymer pipe, a composition therefore, and a process of preparing the composition are described. The pipe is characterized in that the polymer comprises a propylene polymer composition where the propylene base polymer is a heterophasic propylene copolymer having a matrix of a propylene homopolymer and a dispersed phase of an elastomeric copolymer of propylene and at least one olefin comonomer; has a comonomer content of 2-7% by weight, based on the weight of the heterophasic propylene copolymer; has a melt flow rate MFR (2/230), determined according to ISO 1133 C4, of 0.1-2.0 g/10 min; has a broad molecular weight distribution as defined by its rheology shear thinning index, SHI0/50, measured at 200° C. of 9-30; has a tensile modulus, determined according to ISO 527-2/1B at 1 mm/min and 23° C. of at least 1800 MPa; has an impact strength, determined according to ISO 179/1 eA of at least 6 kJ/m2 at 0° C. and at least 2 kJ/m2 at −20° C. The composition is a polymer composition as defined above. The process is characterized by polymerizing in the presence of a stereospecific Ziegler-Natta catalyst including an electron donor:(i) a propylene homopolymer matrix in at least one loop reactor at a temperature of at least 80° C. and a pressure of 4600-10000 kPa; and (ii) an elastomeric copolymer of propylene and at least one olefin comonomer in at least one gas-phase reactor at a lower temperature than in stage (i); to obtain a base polymer of heterophasic propylene copolymer as defined above.

    摘要翻译： 描述了无压聚合物管，组合物和制备该组合物的方法。 管的特征在于聚合物包括丙烯聚合物组合物，其中丙烯基聚合物是具有丙烯均聚物基质和丙烯与至少一种烯烃共聚单体的弹性体共聚物的分散相的多相丙烯共聚物; 基于多相丙烯共聚物的重量，共聚单体含量为2-7重量％; 具有根据ISO 1133 C4测定的熔体流动速率MFR（2/230）为0.1-2.0g / 10min; 具有由流变剪切稀化指数SHI0 / 50定义的宽分子量分布，其在200℃下测量为9-30; 具有根据ISO 527-2 / 1B在1mm / min和23℃下测定的至少1800MPa的拉伸模量; 具有根据ISO 179/1eA在0℃下测定为至少6kJ / m 2和-20℃下至少2kJ / m 2的冲击强度。组合物是如上所定义的聚合物组合物。 该方法的特征在于在包含电子给体的立体特异性齐格勒 - 纳塔催化剂存在下聚合：（i）至少一个环管反应器中的丙烯均聚物基质，温度至少为80℃，压力为4600- 10000 kPa; 和（ii）在低于阶段（i）的温度下，在至少一个气相反应器中的丙烯和至少一种烯烃共聚单体的弹性体共聚物; 以获得如上所定义的异相丙烯共聚物的基础聚合物。

    Pressureless Polymer Pipe, A Compositon Therefore, And A Process For Preparing It
    4.
    发明申请
    Pressureless Polymer Pipe, A Compositon Therefore, And A Process For Preparing It 有权
    因此，无压聚合物管，复合材料及其制备方法

    公开(公告)号：US20110123745A1

    公开(公告)日：2011-05-26

    申请号：US11661574

    申请日：2005-08-30

    申请人： Carl-Gustaf Ek ,  Bo Malm ,  Olli Tuominen

    发明人： Carl-Gustaf Ek ,  Bo Malm ,  Olli Tuominen

    IPC分类号： B32B1/08 ,  C08L23/14 ,  C08L23/16 ,  C08L23/20 ,  C08L23/24

    CPC分类号： F16L9/147 ,  C08F210/06 ,  C08F210/16 ,  C08L23/12 ,  C08L23/14 ,  Y10T428/139 ,  C08F2/001 ,  C08L2666/06 ,  C08F2500/17 ,  C08F2500/12 ,  C08F2500/13

    摘要： A pressureless polymer pipe, a composition therefore, and a process of preparing the composition are described. The pipe is characterised in that the polymer comprises a propylene polymer composition where the propylene base polymer is a heterophasic propylene copolymer having a matrix of a propylene homopolymer and a dispersed phase of an elastomeric copolymer of propylene and at least one olefin comonomer; has a comonomer content of 2-7% by weight, based on the weight of the heterophasic propylene copolymer; has a melt flow rate MFR (2/230), determined according to ISO 1133 C4, of 0.1-2.0 g/10 min; has a broad molecular weight distribution as defined by its rheology shear thinning index, SHI0/50, measured at 200° C. of 9-30; has a tensile modulus, determined according to ISO 527-2/1B at 1 mm/min and 23° C. of at least 1800 MPa; has an impact strength, determined according to ISO 179/1 eA of at least 6 kJ/m2 at 0° C. and at least 2 kJ/m2 at −20° C. The composition is a polymer composition as defined above. The process is characterised by polymerizing in the presence of a stereospecific Ziegler-Natta catalyst including an electron donor:(i) a propylene homopolymer matrix in at least one loop reactor at a temperature of at least 80° C. and a pressure of 4600-10000 kPa; and (ii) an elastomeric copolymer of propylene and at least one olefin comonomer in at least one gas-phase reactor at a lower temperature than in stage (i); to obtain a base polymer of heterophasic propylene copolymer as defined above.

    摘要翻译： 描述了无压聚合物管，组合物和制备该组合物的方法。 管的特征在于聚合物包括丙烯聚合物组合物，其中丙烯基聚合物是具有丙烯均聚物基质和丙烯与至少一种烯烃共聚单体的弹性体共聚物的分散相的多相丙烯共聚物; 基于多相丙烯共聚物的重量，共聚单体含量为2-7重量％; 具有根据ISO 1133 C4测定的熔体流动速率MFR（2/230）为0.1-2.0g / 10min; 具有由流变剪切稀化指数SHI0 / 50定义的宽分子量分布，其在200℃下测量为9-30; 具有根据ISO 527-2 / 1B在1mm / min和23℃下测定的至少1800MPa的拉伸模量; 具有根据ISO 179/1eA在0℃下测定为至少6kJ / m 2和-20℃下至少2kJ / m 2的冲击强度。组合物是如上所定义的聚合物组合物。 该方法的特征在于在包含电子给体的立体特异性齐格勒 - 纳塔催化剂存在下聚合：（i）至少一个环管反应器中的丙烯均聚物基质，温度至少为80℃，压力为4600- 10000 kPa; 和（ii）在低于阶段（i）的温度下，在至少一个气相反应器中的丙烯和至少一种烯烃共聚单体的弹性体共聚物; 以获得如上所定义的异相丙烯共聚物的基础聚合物。

    Multilayer pipe
    6.
    发明授权
    Multilayer pipe 失效
    多层管

    公开(公告)号：US06187402B1

    公开(公告)日：2001-02-13

    申请号：US09146604

    申请日：1998-09-03

    申请人： Carl-Gustaf Ek ,  Bo Malm ,  Anders Nymark

    发明人： Carl-Gustaf Ek ,  Bo Malm ,  Anders Nymark

    IPC分类号： B32B2732

    CPC分类号： F16L9/133 ,  F16L11/04 ,  F16L57/02 ,  Y10T428/1393 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/31917 ,  Y10T428/31938

    摘要： A multilayer pipe having improved resistance to rapid crack propagation is described.; The pipe consists of at least two layers of different propylene plastic materials, which are so selected and combined that the pipe has a resistance to rapid crack propagation, measured as the critical temperature, which is equal to or lower than 0° C. The pipe is made of polypropylene plastic, and at least one of the layers of the pipe comprises a polypropylene plastic, which is selected from a propylene contanig from 1.0 to 10.0% by weight of ethylene or C4-C10-&agr;-olefin repeating units and having an MFR2 value of between 0.05 and 0.40 g/10 min or an elastromer-modified polypropylene containing from 1.0 to 30% by weight of ethylene or C4-C10-&agr; olefin repeating units and having an MFR2 value of between 0.05 and 50 g/10 min.

    摘要翻译： 描述了对快速裂纹扩展具有改进的耐受性的多层管; 该管由至少两层不同的丙烯塑料材料组成，其选择和组合使得管具有抵抗快速裂纹扩展的阻力，以等于或低于0℃的临界温度测量。管 由聚丙烯塑料制成，并且管的至少一层包括聚丙烯塑料，其选自1.0至10.0重量％的乙烯或C 4 -C 10-α-烯烃重复单元的丙烯含量，并具有 0.05至0.40g / 10min的MFR 2值或含有1.0至30重量％的乙烯或C 4 -C 10α-烯烃重复单元并且MFR 2值为0.05至50g / 10min的弹性体改性聚丙烯 。

    Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
    8.
    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。

    Counter-rotating twin screw extruder
    10.
    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。