HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME
    1.
    发明申请
    HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF MAKING THE SAME 有权
    高密度聚乙烯组合物,其制备方法

    公开(公告)号:US20140256883A1

    公开(公告)日:2014-09-11

    申请号:US14205678

    申请日:2014-03-12

    Abstract: The instant invention is a high-density polyethylene composition, method of producing the same, articles made therefrom, and method of making such articles. The high-density polyethylene composition of the instant invention includes a first component, and a second component. The first component is a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.915 to 0.940 g/cm3, and a melt index (I21.6) in the range of 0.5 to 10 g/10 minutes. The second component is a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 50 to 1500 g/10 minutes. The high-density polyethylene composition has a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3, and g′ of 1.

    Abstract translation: 本发明是高密度聚乙烯组合物,其制造方法,由其制成的制品及其制造方法。 本发明的高密度聚乙烯组合物包括第一组分和第二组分。 第一组分是密度在0.915至0.940g / cm 3范围内的熔融指数(I 21.6)在0.5至10g / 10分钟范围内的高分子量乙烯α-烯烃共聚物。 第二组分是密度在0.965至0.980g / cm 3范围内的熔融指数(I 2)在50至1500g / 10分钟范围内的低分子量乙烯聚合物。 高密度聚乙烯组合物的熔体指数(I 2)至少为1,密度在0.950至0.960g / cm3,g'为1。

    Polyethylene compositions, methods of making the same, and articles prepared therefrom
    2.
    发明授权
    Polyethylene compositions, methods of making the same, and articles prepared therefrom 有权
    聚乙烯组合物,其制备方法和由其制备的制品

    公开(公告)号:US08791205B2

    公开(公告)日:2014-07-29

    申请号:US13717247

    申请日:2012-12-17

    CPC classification number: C08L23/26 C08L23/0815 C08L2205/02 C08L2666/06

    Abstract: The invention is related to compositions suitable for the fabrication of pipes, and other articles, with excellent performance properties. The invention provides a composition, comprising a blend, wherein said blend comprises a high molecular weight ethylene-based interpolymer and a low molecular weight ethylene-based interpolymer, and the high molecular weight ethylene-based interpolymer is a heterogeneously branched linear or a homogeneously branched linear ethylene-based interpolymer, and has a density from 0.922 g/cc to 0.929 g/cc, and a high load melt index (I21) from 0.2 g/10 min to 1.0 g/10 min, and the low molecular weight ethylene-based interpolymer is heterogeneously branched linear or a homogeneously branched linear ethylene-based interpolymer, and has a density from 0.940 g/cc to 0.955 g/cc, and a melt index (I2) from 6 g/10 min to 50 g/10 min. The blend has a single peak in an ATREF profile eluting above 30° C., and has a coefficient of viscosity average molecular weight (CMv) less than −0.0032 in the log(calculated Mv) versus elution temperature, said CMv calculated in the range of elution temperatures from 70° C. to 90° C. The Mv is the viscosity average molecular weight.

    Abstract translation: 本发明涉及适于制造具有优异性能的管道和其它制品的组合物。 本发明提供一种包含共混物的组合物,其中所述共混物包含高分子量乙烯基互聚物和低分子量乙烯基互聚物,并且高分子量乙烯基互聚物是非均匀支化的线性或均匀分支的 线性乙烯类互聚物,密度为0.922g / cc〜0.929g / cc,高负荷熔融指数(I21)为0.2g / 10min〜1.0g / 10min,低分子量乙烯 - 基于异构支化的线型或均匀支化的线性乙烯基互聚物,其密度为0.940g / cc至0.955g / cc,熔体指数(I 2)为6g / 10min至50g / 10min 。 共混物在30℃以上洗脱的ATREF谱中具有单峰,并且在对数(计算出的Mv)相对于洗脱温度具有小于-0.0032的粘均分子量(CMv)系数,所述CMv计算在范围内 的洗脱温度从70℃至90℃.Mv是粘均分子量。

    LONG CHAIN BRANCHED (LCB), BLOCK OR INTERCONNECTED COPOLYMERS OF ETHYLENE IN COMBINATION WITH ONE OTHER POLYMER
    3.
    发明申请
    LONG CHAIN BRANCHED (LCB), BLOCK OR INTERCONNECTED COPOLYMERS OF ETHYLENE IN COMBINATION WITH ONE OTHER POLYMER 有权
    长链分支(LCB),乙烯与一种其他聚合物组合的嵌段或互连共聚物

    公开(公告)号:US20140024775A1

    公开(公告)日:2014-01-23

    申请号:US14034002

    申请日:2013-09-23

    Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm≧(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.

    Abstract translation: 包含通过核磁共振测定的约0.1至约2.0单位/ 1000个碳原子的乙烯基聚合物,峰值熔融温度Tm,℃,熔化热,Hf / J, 通过DSC结晶度测定,其中Tm和Hf的数值对应于Tm> =(0.2143×Hf)+79.643的关系。 包含至少一种使用制备型升温洗脱分级方法在95℃或更高洗脱的制备性TREF级分的乙烯性聚合物,其中至少一种在95℃或更高洗脱的制备性TREF级分的gpcBR值大于 通过3D-GPC通过gpcBR分枝指数测定的0.05和小于5,并且其中至少5%的乙烯类聚合物在基于乙烯类聚合物的总重量的95℃或更高的温度下洗脱。

    High-density polyethylene compositions, method of making the same
    4.
    发明授权
    High-density polyethylene compositions, method of making the same 有权
    高密度聚乙烯组合物及其制备方法

    公开(公告)号:US09181421B2

    公开(公告)日:2015-11-10

    申请号:US14205678

    申请日:2014-03-12

    Abstract: The instant invention is a high-density polyethylene composition, method of producing the same, articles made therefrom, and method of making such articles. The high-density polyethylene composition of the instant invention includes a first component, and a second component. The first component is a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.915 to 0.940 g/cm3, and a melt index (I21.6) in the range of 0.5 to 10 g/10 minutes. The second component is a low molecular weight ethylene polymer having a density in the range of 0.965 to 0.980 g/cm3, and a melt index (I2) in the range of 50 to 1500 g/10 minutes. The high-density polyethylene composition has a melt index (I2) of at least 1, a density in the range of 0.950 to 0.960 g/cm3, and g′ of 1.

    Abstract translation: 本发明是高密度聚乙烯组合物,其制造方法,由其制成的制品及其制造方法。 本发明的高密度聚乙烯组合物包括第一组分和第二组分。 第一组分是密度在0.915至0.940g / cm 3范围内的熔融指数(I 21.6)在0.5至10g / 10分钟范围内的高分子量乙烯α-烯烃共聚物。 第二组分是密度在0.965至0.980g / cm 3范围内的熔融指数(I 2)在50至1500g / 10分钟范围内的低分子量乙烯聚合物。 高密度聚乙烯组合物的熔体指数(I 2)至少为1,密度在0.950至0.960g / cm3,g'为1。

    LONG CHAIN BRANCHED (LCB), BLOCK, OR INTERCONNECTED COPOLYMERS OF ETHYLENE IN COMBINATION WITH ONE OTHER POLYMER
    5.
    发明申请
    LONG CHAIN BRANCHED (LCB), BLOCK, OR INTERCONNECTED COPOLYMERS OF ETHYLENE IN COMBINATION WITH ONE OTHER POLYMER 有权
    长链分支(LCB),乙烯与一种其他聚合物组合的嵌段或互连共聚物

    公开(公告)号:US20140213735A1

    公开(公告)日:2014-07-31

    申请号:US14242251

    申请日:2014-04-01

    Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm≧(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.

    Abstract translation: 包含通过核磁共振测定的约0.1至约2.0单位/ 1000个碳原子的乙烯基聚合物,峰值熔融温度Tm,℃,熔融热,Hf / J, 通过DSC结晶度测定,其中Tm和Hf的数值对应于Tm≥(0.2143×Hf)+79.643的关系。 包含至少一种使用制备型升温洗脱分级方法在95℃或更高洗脱的制备性TREF级分的乙烯性聚合物,其中至少一种在95℃或更高洗脱的制备性TREF级分的gpcBR值大于 通过3D-GPC通过gpcBR分枝指数测定的0.05和小于5,并且其中至少5%的乙烯类聚合物在基于乙烯类聚合物的总重量的95℃或更高的温度下洗脱。

    APPARATUS AND METHOD FOR POLYMER CHARACTERIZATION
    6.
    发明申请
    APPARATUS AND METHOD FOR POLYMER CHARACTERIZATION 审中-公开
    聚合物表征的装置和方法

    公开(公告)号:US20130061662A1

    公开(公告)日:2013-03-14

    申请号:US13672363

    申请日:2012-11-08

    Abstract: Apparatus for GPC/TREF and TREF/GPC characterization of a polymer sample. The apparatus provides for the automated and integrated use of multiple TREF columns and a GPC system employing a multiple flow through detectors. In addition, a method for TREF/GPC characterization of a polymer sample by GPC analysis of TREF fractions at increasing TREF elution temperatures from multiple TREF columns operated in a coordinated and synchronized temperature cycle for increased sample throughput. Also, a method for GPC/TREF characterization of a polymer sample by GPC fractionation followed by TREF fractionation of the GPC fractionations.

    Abstract translation: 用于GPC / TREF和TREF / GPC表征聚合物样品的装置。 该装置提供了多个TREF柱的自动化和集成使用以及采用多个流过检测器的GPC系统。 此外,通过在增加TREF洗脱温度的TREF洗脱温度下,通过GPC分析TREF级分,通过在协同和同步的温度循环中操作以提高样品通量的多个TREF柱来对聚合物样品进行TREF / GPC表征的方法。 此外,通过GPC分级随后进行GPC分馏的TREF分馏,GPC / TREF表征聚合物样品的方法。

    POLYETHYLENE COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED THEREFROM
    10.
    发明申请
    POLYETHYLENE COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED THEREFROM 有权
    聚乙烯组合物,其制备方法和制备的制品

    公开(公告)号:US20130137828A1

    公开(公告)日:2013-05-30

    申请号:US13717247

    申请日:2012-12-17

    CPC classification number: C08L23/26 C08L23/0815 C08L2205/02 C08L2666/06

    Abstract: The invention is related to compositions suitable for the fabrication of pipes, and other articles, with excellent performance properties. The invention provides a composition, comprising a blend, wherein said blend comprises a high molecular weight ethylene-based interpolymer and a low molecular weight ethylene-based interpolymer, and the high molecular weight ethylene-based interpolymer is a heterogeneously branched linear or a homogeneously branched linear ethylene-based interpolymer, and has a density from 0.922 g/cc to 0.929 g/cc, and a high load melt index (I21) from 0.2 g/10 min to 1.0 g/10 min, and the low molecular weight ethylene-based interpolymer is heterogeneously branched linear or a homogeneously branched linear ethylene-based interpolymer, and has a density from 0.940 g/cc to 0.955 g/cc, and a melt index (I2) from 6 g/10 min to 50 g/10 min. The blend has a single peak in an ATREF profile eluting above 30° C., and has a coefficient of viscosity average molecular weight (CMv) less than −0.0032 in the log (calculated Mv) versus elution temperature, said CMv calculated in the range of elution temperatures from 70° C. to 90° C. The Mv is the viscosity average molecular weight.

    Abstract translation: 本发明涉及适于制造具有优异性能的管道和其它制品的组合物。 本发明提供一种包含共混物的组合物,其中所述共混物包含高分子量乙烯基互聚物和低分子量乙烯基互聚物,并且高分子量乙烯基互聚物是非均匀支化的线性或均匀支化的 线性乙烯类互聚物,密度为0.922g / cc〜0.929g / cc,高负荷熔融指数(I21)为0.2g / 10min〜1.0g / 10min,低分子量乙烯 - 基于异构支化的线型或均匀支化的线性乙烯基互聚物,其密度为0.940g / cc至0.955g / cc,熔体指数(I 2)为6g / 10min至50g / 10min 。 共混物在30℃以上洗脱的ATREF谱中具有单峰,并且在对数(计算出的Mv)相对于洗脱温度具有小于-0.0032的粘均分子量(CMv)系数,所述CMv计算在范围内 的洗脱温度从70℃至90℃.Mv是粘均分子量。

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