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    • 1. 发明申请
    • PROCESS FOR COATING A PIPE WITH HIGH THROUGHPUT USING MULTIMODAL ETHYLENE COPOLYMER, AND COATED PIPES OBTAINED THEREOF
    • 使用多模乙烯共聚物涂覆高通量管的方法及其所得到的涂层管
    • US20110120587A1
    • 2011-05-26
    • US12808357
    • 2008-12-09
    • Martin AnkerSiw Bodil FredriksenPal Christian BentzrodMats BackmanLeif LeidenMarkku VahteriPetri Rekonen
    • Martin AnkerSiw Bodil FredriksenPal Christian BentzrodMats BackmanLeif LeidenMarkku VahteriPetri Rekonen
    • F16L9/14B05D3/02
    • C09D123/06C08L23/0815C08L2205/025C08L2308/00C08L2666/06
    • 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 MFR2 of from 0.05 g/10 min to 5 g/10 min, a melt index MFR5 of from 0.5 to 10 g/10 min and a density of from 930 kg/m to 955 kg/m3. Further, the multimodal ethylene copolymer comprises the multimodal ethylene copolymer comprises from 49 to 59% based on the weight of the multimodal ethylene copolymer a low molecular weight ethylene homopolymer component, said low molecular weight ethylene homopolymer having a weight average molecular weight of from 5000 g/mol to 70000 g/mol; and from 51 to 41% based on the weight of the multimodal ethylene copolymer a high molecular weight ethylene copolymer component, said high molecular weight ethylene copolymer having a weight average molecular weight of from 100000 g/mol to 700000 g/mol. The pipes can be coated with high throughput and good production economy. The coatings have good mechanical properties.
    • 本发明涉及具有多峰聚乙烯层的涂覆管。 多峰乙烯共聚物是乙烯与一种或多种具有4-10个碳原子的α-烯烃共聚单体的共聚物,其重均分子量为70000g / mol至250000g / mol,重均分子量 数均分子量Mw / Mn为15-50,熔体指数MFR2为0.05g / 10min至5g / 10min,熔体指数MFR5为0.5-10g / 10min, 密度为930kg / m至955kg / m 3。 此外,多峰乙烯共聚物包含多峰乙烯共聚物,其包含基于多峰乙烯共聚物的重量的49-59%的低分子量乙烯均聚物组分,所述低分子量乙烯均聚物的重均分子量为5000g / mol至70000g / mol; 和基于多峰乙烯共聚物重量的51至41%的高分子量乙烯共聚物组分,所述高分子量乙烯共聚物的重均分子量为100000g / mol至700000g / mol。 管道可以高产量和良好的生产经济性涂层。 涂层具有良好的机械性能。
    • 3. 发明授权
    • Coated pipe with high throughput using multimodal ethylene copolymer
    • 使用多峰乙烯共聚物的高通量的涂层管
    • US08623482B2
    • 2014-01-07
    • US12808357
    • 2008-12-09
    • Martin AnkerSiw Bodil FredriksenPal Christian BentzrodMats BackmanLeif LeidenMarkku VahteriPetri Rekonen
    • Martin AnkerSiw Bodil FredriksenPal Christian BentzrodMats BackmanLeif LeidenMarkku VahteriPetri Rekonen
    • B32B1/08B32B15/085F16L9/14B05D7/00
    • C09D123/06C08L23/0815C08L2205/025C08L2308/00C08L2666/06
    • 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 MFR2 of from 0.05 g/10 min to 5 g/10 min, a melt index MFR5 of from 0.5 to 10 g/10 min and a density of from 930 kg/m to 955 kg/m3. Further, the multimodal ethylene copolymer comprises the multimodal ethylene copolymer comprises from 49 to 59% based on the weight of the multimodal ethylene copolymer a low molecular weight ethylene homopolymer component, said low molecular weight ethylene homopolymer having a weight average molecular weight of from 5000 g/mol to 70000 g/mol; and from 51 to 41% based on the weight of the multimodal ethylene copolymer a high molecular weight ethylene copolymer component, said high molecular weight ethylene copolymer having a weight average molecular weight of from 100000 g/mol to 700000 g/mol. The pipes can be coated with high throughput and good production economy. The coatings have good mechanical properties.
    • 本发明涉及具有多峰聚乙烯层的涂覆管。 多峰乙烯共聚物是乙烯与一种或多种具有4-10个碳原子的α-烯烃共聚单体的共聚物,其重均分子量为70000g / mol至250000g / mol,重均分子量 数均分子量Mw / Mn为15-50,熔体指数MFR2为0.05g / 10min至5g / 10min,熔体指数MFR5为0.5-10g / 10min, 密度为930kg / m至955kg / m 3。 此外,多峰乙烯共聚物包含多峰乙烯共聚物,其包含基于多峰乙烯共聚物的重量的49-59%的低分子量乙烯均聚物组分,所述低分子量乙烯均聚物的重均分子量为5000g / mol至70000g / mol; 和基于多峰乙烯共聚物重量的51至41%的高分子量乙烯共聚物组分,所述高分子量乙烯共聚物的重均分子量为100000g / mol至700000g / mol。 管道可以高产量和良好的生产经济性涂层。 涂层具有良好的机械性能。
    • 8. 发明申请
    • Polymer Compositions and Pressure-Resistant Pipes Made Therefrom
    • 聚合物组合物和耐压管道
    • US20110108121A1
    • 2011-05-12
    • US12995604
    • 2009-05-25
    • Mats BackmanCarl-Gustaf EkAnneli PakkanenMagnus Palmlöf
    • Mats BackmanCarl-Gustaf EkAnneli PakkanenMagnus Palmlöf
    • F17D1/00C08F10/14C08F10/04C08L23/20C08L23/24B32B1/08
    • F16L9/12C08L23/04C08L23/06C08L23/0815C08L2314/06Y10T137/0318Y10T428/139C08L2666/06
    • 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 SHI27/210 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.
    • 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SHI27 / 210为2至50.此外,多峰共聚物包含:(A)30至70重量%,基于 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量的α-烯烃的共聚物的低分子量乙烯聚合物的组分(A)和(B)的组合量 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。
    • 10. 发明授权
    • High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
    • 高密度聚合物组合物,其制备方法和由其制成的耐压管
    • US08476370B2
    • 2013-07-02
    • US12995992
    • 2009-05-25
    • Mats BackmanCarl-Gustaf EkAnneli PakkanenMagnus PalmlofTarja-Tuulikki TurpeinenJohn Severn
    • Mats BackmanCarl-Gustaf EkAnneli PakkanenMagnus PalmlofTarja-Tuulikki TurpeinenJohn Severn
    • C08L23/04C08L23/08C08F4/6592
    • F16L9/12C08L23/04C08L23/06C08L23/0815C08L2203/18C08L2314/06Y10T428/139
    • 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.
    • 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。