Ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom
    7.
    发明授权
    Ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom 有权
    适用于纤维应用的乙烯/α-烯烃互聚物和由其制成的纤维

    公开(公告)号:US08907030B2

    公开(公告)日:2014-12-09

    申请号:US13820795

    申请日:2010-09-29

    IPC分类号: C08F210/16 C08F10/00 D01F6/30

    摘要: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of from 0.920 to 0.965 g/cm3, and a melt index (I2) in the range of from 0.5 to 100 g/10 minutes, and melt flow ratio (I10/I2) in the range of from 5.8 to 8.

    摘要翻译: 本发明提供了适用于纤维应用的乙烯/α-烯烃互聚物和由其制成的纤维。 根据本发明的乙烯/α-烯烃互聚物的CDBI小于60%,并且在85℃至90℃下从乙烯/α-烯烃互聚物的交叉分级中至少包含两个馏分, 包括重量分数比> 0.68且分子量均匀度指数大于0.65的90℃至95℃; 其中重量分数比是每个级分中聚合物的重量比除以95℃和100℃之间洗脱的聚合物的重量的比例,分子量均匀度指数是重均分子量 所述级分中的聚合物除以在95℃和100℃之间洗脱的聚合物的重均分子量,并且其中所述乙烯/α-烯烃互聚物的密度在0.920至0.965g / cm 3的范围内, 熔体指数(I 2)为0.5-100g / 10分钟,熔体流动比(I10 / I2)为5.8-8。

    ETHYLENE/ALPHA-OLEFIN INTERPOLYMER SUITABLE FOR USE IN FIBER APPLICATIONS, AND FIBERS MADE THEREFROM
    8.
    发明申请
    ETHYLENE/ALPHA-OLEFIN INTERPOLYMER SUITABLE FOR USE IN FIBER APPLICATIONS, AND FIBERS MADE THEREFROM 有权
    适用于光纤应用的乙烯/丙烯酰胺嵌段共聚物及其制备的纤维

    公开(公告)号:US20130190465A1

    公开(公告)日:2013-07-25

    申请号:US13820795

    申请日:2010-09-29

    IPC分类号: C08F210/16

    摘要: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of from 0.920 to 0.965 g/cm3, and a melt index (I2) in the range of from 0.5 to 100 g/10 minutes, and melt flow ratio (I10/I2) in the range of from 5.8 to 8.

    摘要翻译: 本发明提供了适用于纤维应用的乙烯/α-烯烃互聚物和由其制成的纤维。 根据本发明的乙烯/α-烯烃互聚物的CDBI小于60%,并且在85℃至90℃下从乙烯/α-烯烃互聚物的交叉分级中至少包含两个馏分, 包括重量分数比> 0.68且分子量均匀度指数大于0.65的90℃至95℃; 其中重量分数比是每个级分中聚合物的重量比除以95℃和100℃之间洗脱的聚合物的重量的比例,分子量均匀度指数是重均分子量 所述级分中的聚合物除以在95℃和100℃之间洗脱的聚合物的重均分子量,并且其中所述乙烯/α-烯烃互聚物的密度在0.920至0.965g / cm 3的范围内, 熔体指数(I 2)为0.5-100g / 10分钟,熔体流动比(I10 / I2)为5.8-8。

    Fractional melt index polyethylene composition and films made therefrom
    9.
    发明授权
    Fractional melt index polyethylene composition and films made therefrom 有权
    分数熔体指数聚乙烯组合物和由其制成的薄膜

    公开(公告)号:US08835569B2

    公开(公告)日:2014-09-16

    申请号:US13808724

    申请日:2012-06-08

    摘要: A reactor blend polyethylene composition comprising: from 35 to 70 percent by weight of a first polyethylene component; and a second polyethylene component; wherein the polyethylene resin has a melt index I2 of less than 1 dg/min and greater than or equal to 0.25 dg/min and exhibits a V0.1/V100 of greater than or equal to 9; and wherein the first and second polyethylene components are produced in continuous dual solution polymerization reactors, wherein the second polyethylene component is produced in the presence of the first polyethylene component and wherein a Ziegler-Natta catalyst is present in each of the first and second polymerization reactors is provided. Also provided are methods for producing the polyethylene resin and films made therefrom.

    摘要翻译: 一种反应器共混聚乙烯组合物,其包含:35至70重量%的第一聚乙烯组分; 和第二聚乙烯组分; 其中所述聚乙烯树脂具有小于1dg / min且大于或等于0.25dg / min的熔体指数I2,并且表现出大于或等于9的V0.1 / V100; 并且其中所述第一和第二聚乙烯组分在连续双溶液聚合反应器中制备,其中所述第二聚乙烯组分在第一聚乙烯组分存在下制备,并且其中齐格勒 - 纳塔催化剂存在于第一和第二聚合反应器 被提供。 还提供了制备聚乙烯树脂的方法和由其制成的膜。

    ETHYLENE/ALPHA-OLEFIN INTERPOLYMER SUITABLE FOR USE IN SHRINKAGE FILM APPLICATIONS, AND ARTICLES MADE THEREFROM
    10.
    发明申请
    ETHYLENE/ALPHA-OLEFIN INTERPOLYMER SUITABLE FOR USE IN SHRINKAGE FILM APPLICATIONS, AND ARTICLES MADE THEREFROM 有权
    适用于收缩膜应用的乙烯/丙烯酰胺嵌段共聚物及其制品

    公开(公告)号:US20130144019A1

    公开(公告)日:2013-06-06

    申请号:US13816665

    申请日:2010-09-29

    IPC分类号: C08F4/42

    摘要: The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%, and comprises at least two fractions in crossfractionation of the ethylene/alpha-olefin interpolymer, eluting from 85° C. to 90° C. and from 90° C. to 95° C., comprising a weight fraction ratio of >0.68 and a molecular weight homogeneity index of greater than 0.65; wherein the weight fraction ratio is the ratio of the weight of polymer in each fraction divided by the weight of polymer eluting between 95° C. and 100° C. and the molecular weight homogeneity index is the ratio of the weight average molecular weight of the polymer in the fraction divided by the weight average molecular weight of the polymer eluting between 95° C. and 100° C., and wherein the ethylene/alpha-olefin interpolymer has a density in the range of 0.920 to 0.940 g/cm3.

    摘要翻译: 本发明提供了适用于收缩膜应用的乙烯/α-烯烃互聚物和由其制成的制品。 根据本发明的乙烯/α-烯烃互聚物的CDBI小于60%,并且在85℃至90℃下从乙烯/α-烯烃互聚物的交叉分级中至少包含两个馏分, 包括重量分数比> 0.68且分子量均匀度指数大于0.65的90℃至95℃; 其中重量分数比是每个级分中聚合物的重量比除以95℃和100℃之间洗脱的聚合物的重量的比例,分子量均匀度指数是重均分子量 该分数中的聚合物除以在95℃和100℃之间洗脱的聚合物的重均分子量,其中乙烯/α-烯烃互聚物的密度在0.920至0.940g / cm3的范围内。