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    • 3. 发明授权
    • Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
    • 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
    • US08530580B2
    • 2013-09-10
    • US12995978
    • 2009-05-25
    • Mats BäckmanCarl-Gustaf EkAnneli PakkanenMagnus Palmlöf
    • Mats BäckmanCarl-Gustaf EkAnneli PakkanenMagnus Palmlöf
    • C08L23/08C08F4/6592
    • C08L23/06C08L23/0815C08L2205/02Y10T428/139C08L2666/06
    • 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 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.
    • 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。
    • 4. 发明授权
    • Polymer compositions and pressure-resistant pipes made therefrom
    • 由其制成的聚合物组合物和耐压管
    • US08557924B2
    • 2013-10-15
    • US12995604
    • 2009-05-25
    • Mats BäckmanCarl-Gustaf EkAnneli PakkanenMagnus Palmlöf
    • Mats BäckmanCarl-Gustaf EkAnneli PakkanenMagnus Palmlöf
    • C08L23/04C08L23/08C08F4/6592
    • 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 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.
    • 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。
    • 5. 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
    • Polyethylene composition for water pipes with improved chlorine resistance
    • 具有改善耐氯性能的水管聚乙烯组合物
    • US08519034B2
    • 2013-08-27
    • US13120929
    • 2009-12-17
    • Magnus PalmlöfJeroen Oderkerk
    • Magnus PalmlöfJeroen Oderkerk
    • C08K5/15C08K5/1545C08K5/13C07C37/14C09G1/04
    • C08K5/13C08K5/1545C08L23/02
    • The present invention is directed to the use of compound (A) and compound (B) in a polyethylene composition for increasing the lifetime of a pipe made of said polyethylene composition which is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein—R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups, X1, X2, and X3 independently are H or OH, with the proviso that at least one of X1, X2, and X3 is OH, and the entire molecule does not comprise an ester group; wherein compound (B) has the following formula (II): wherein R1, R2, R3, R4 and R5 independently are H, or non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, and wherein the base resin of said polyethylene composition consists of a polyethylene homo- or copolymer.
    • 本发明涉及在聚乙烯组合物中使用化合物(A)和化合物(B)),以增加由与氯化水永久接触的所述聚乙烯组合物制成的管的使用寿命,其中化合物(A)具有 下式(I):其中-R 6,R 7和R 8分别是可以包含OH-基团的未取代或取代的脂族或芳族烃基,X 1,X 2和X 3独立地是H或OH,条件是至少 X1,X2和X3之一是OH,整个分子不包含酯基; 其中化合物(B)具有下式(II):其中R 1,R 2,R 3,R 4和R 5独立地是H或可以包含杂原子的未取代或取代的脂族或芳族烃基,并且其中所述 聚乙烯组合物由聚乙烯均聚物或共聚物组成。