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    CROSS-LINKED POLYETHYLENE PIPE
    5.
    发明申请
    CROSS-LINKED POLYETHYLENE PIPE 审中-公开
    交联聚乙烯管

    公开(公告)号：US20110318516A1

    公开(公告)日：2011-12-29

    申请号：US13127036

    申请日：2009-10-30

    申请人： Anneli Pakkanen ,  Magnus Palmlof ,  Jeroen Oderkerk

    发明人： Anneli Pakkanen ,  Magnus Palmlof ,  Jeroen Oderkerk

    IPC分类号： B32B1/08 ,  B29C47/00 ,  B29C35/08

    CPC分类号： F16L9/12 ,  F16L11/04 ,  Y10T428/139

    摘要： A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/m3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI2.7/210 of less than 10; and wherein said pipe has a pressure test at 4.8 MPa and 95° C. of at least 500 h and at 12.4 MPa and 20° C. of at least 500 h.

    摘要翻译： 一种交联聚乙烯管，其包含密度为至少948kg / m 3的乙烯聚合物，其通过用单中心催化剂聚合并具有小于10的剪切稀化指数SHI2.7 / 210获得; 并且其中所述管在4.8MPa和95℃下具有至少500h和12.4MPa和20℃下的至少500h的压力试验。

    High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
    7.
    发明授权
    High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom 有权
    高密度聚合物组合物，其制备方法和由其制成的耐压管

    公开(公告)号：US08476370B2

    公开(公告)日：2013-07-02

    申请号：US12995992

    申请日：2009-05-25

    申请人： Mats Backman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlof ,  Tarja-Tuulikki Turpeinen ,  John Severn

    发明人： Mats Backman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlof ,  Tarja-Tuulikki Turpeinen ,  John Severn

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

    CPC分类号： F16L9/12 ,  C08L23/04 ,  C08L23/06 ,  C08L23/0815 ,  C08L2203/18 ,  C08L2314/06 ,  Y10T428/139

    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 937 to 950 kg/m3, a melt index MFR5 of from 0.3 to 3.0 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 30. 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 960 to 977 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937至950kg / m 3，熔体指数MFR 5为0.3-3.0g / 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30.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960至977kg / 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。

    Polymer Compositions Having Improved Homogeneity and Odour, A Method For Making Them and Pipes Made Thereof
    8.
    发明申请
    Polymer Compositions Having Improved Homogeneity and Odour, A Method For Making Them and Pipes Made Thereof 有权
    具有改善均匀性和气味的聚合物组合物，其制造及其制造的方法

    公开(公告)号：US20110091674A1

    公开(公告)日：2011-04-21

    申请号：US12995978

    申请日：2009-05-25

    申请人： Mats Backman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlof

    发明人： Mats Backman ,  Carl-Gustaf Ek ,  Anneli Pakkanen ,  Magnus Palmlof

    IPC分类号： C08F210/16 ,  C08F2/38 ,  B32B1/08

    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。