ETHYLENE-BASED POLYMERS, METHODS OF MAKING THE SAME AND ARTICLES PREPARED THEREFROM
    1.
    发明申请
    ETHYLENE-BASED POLYMERS, METHODS OF MAKING THE SAME AND ARTICLES PREPARED THEREFROM 有权
    乙烯基聚合物,其制备方法和制备的制品

    公开(公告)号:US20100203277A1

    公开(公告)日:2010-08-12

    申请号:US12701153

    申请日:2010-02-05

    IPC分类号: B32B1/08 C08F110/02

    摘要: The invention provides an ethylene-based interpolymer comprising the following features: a) density from 0.910 to 0.930 g/cc; b) melt index (I2) from 0.1 to 0.5 g/10 min; and c) a high density fraction in an ATREF short chain branch distribution (SCBD) curve, eluting above 92° C., of greater than 10 percent to less than 28 percent of the total ATREF SCBD curve area. The invention also provides a composition comprising an ethylene-based interpolymer that comprises the following features: a) a density from 0.919 to 0.928 g/cc; b) a melt index (I2) from 0.1 to 0.8 g/10 min; and c) a high density fraction in an ATREF short chain branch distribution (SCBD) curve, eluting above 92° C., of greater than 10 percent to less than 28 percent of the total ATREF SCBD curve area. The invention also provides a hollow tube comprising at least one component formed from a composition comprising an ethylene-based interpolymer that comprises the following features: a) a density from 0.919 to 0.928 g/cc; b) a melt index (I2) from 0.1 to 0.8 g/10 min; and c) a high density fraction in an ATREF short chain branch distribution (SCBD) curve, eluting above 92° C., of greater than 10 percent to less than 28 percent of the total ATREF SCBD curve area; and wherein the tube has a hydrostatic design basis (HDB) of at least 1000-psi at 23° C. per ASTM D-2837 regression method.

    摘要翻译: 本发明提供一种乙烯基互聚物,其包含以下特征:a)0.910-0.930g / cc的密度; b)熔融指数(I 2)为0.1至0.5g / 10min; 和c)在92℃以上洗脱的ATREF短链分支分布(SCBD)曲线中的高密度分数大于总ATREF SCBD曲线区域的10%至小于28%。 本发明还提供包含乙烯基互聚物的组合物,其包含以下特征:a)0.919至0.928g / cc的密度; b)0.1至0.8g / 10min的熔体指数(I 2); 和c)在92℃以上洗脱的ATREF短链分支分布(SCBD)曲线中的高密度分数大于总ATREF SCBD曲线区域的10%至小于28%。 本发明还提供一种中空管,其包含由包含乙烯基互聚物的组合物形成的至少一种组分,所述组合物包含以下特征:a)密度为0.919至0.928g / cc; b)0.1至0.8g / 10min的熔体指数(I 2); 和c)在92℃以上洗脱的ATREF短链分支分布(SCBD)曲线中的高密度分数大于总ATREF SCBD曲线区域的大于10%至小于28%; 并且其中所述管在23℃下根据ASTM D-2837回归方法具有至少1000-psi的流体静力学设计基准(HDB)。

    ETHYLENE-BASED POLYMERS AND COMPOSITIONS, METHOD OF MAKING THE SAME AND ARTICLES PREPARED THEREFROM
    2.
    发明申请
    ETHYLENE-BASED POLYMERS AND COMPOSITIONS, METHOD OF MAKING THE SAME AND ARTICLES PREPARED THEREFROM 审中-公开
    基于乙烯的聚合物和组合物,其制备方法和制备的制品

    公开(公告)号:US20110318514A1

    公开(公告)日:2011-12-29

    申请号:US13143553

    申请日:2010-02-05

    IPC分类号: B32B1/08 C08F210/16 C08F4/78

    摘要: The invention provides an ethylene-based interpolymer comprising the following features: a) density from 0.910 to 0.930 g/cc; b) melt index (I2) from 0.1 to 0.5 g/10 min; and c) a high density fraction in an ATREF short chain branch distribution (SCBD) curve, eluting above 92° C., of greater than 10 percent to less than 28 percent of the total ATREF SCBD curve area. The invention also provides a composition comprising an ethylene-based interpolymer that comprises the following features: a) a density from 0.919 to 0.928 g/cc; b) a melt index (I2) from 0.1 to 0.8 g/10 min; and c) a high density fraction in an ATREF short chain branch distribution (SCBD) curve, eluting above 92° C., of greater than 10 percent to less than 28 percent of the total ATREF SCBD curve area. The invention also provides a hollow tube comprising at least one component formed from a composition comprising an ethylene-based interpolymer that comprises the following features: a) a density from 0.919 to 0.928 g/cc; b) a melt index (I2) from 0.1 to 0.8 g/10 min; and c) a high density fraction in an ATREF short chain branch distribution (SCBD) curve, eluting above 92° C., of greater than 10 percent to less than 28 percent of the total ATREF SCBD curve area; and wherein the tube has a hydrostatic design basis (HDB) of at least 1000-psi at 23° C. per ASTM D-2837 regression method.

    摘要翻译: 本发明提供一种乙烯基互聚物,其包含以下特征:a)0.910至0.930g / cc的密度; b)熔融指数(I 2)为0.1至0.5g / 10min; 和c)在92℃以上洗脱的ATREF短链分支分布(SCBD)曲线中的高密度分数大于总ATREF SCBD曲线区域的10%至小于28%。 本发明还提供包含乙烯基互聚物的组合物,其包含以下特征:a)0.919至0.928g / cc的密度; b)0.1至0.8g / 10min的熔体指数(I 2); 和c)在92℃以上洗脱的ATREF短链分支分布(SCBD)曲线中的高密度分数大于总ATREF SCBD曲线区域的10%至小于28%。 本发明还提供一种中空管,其包含由包含乙烯基互聚物的组合物形成的至少一种组分,所述组合物包含以下特征:a)密度为0.919至0.928g / cc; b)0.1至0.8g / 10min的熔体指数(I 2); 和c)在92℃以上洗脱的ATREF短链分支分布(SCBD)曲线中的高密度分数大于总ATREF SCBD曲线区域的大于10%至小于28%; 并且其中所述管在23℃下根据ASTM D-2837回归方法具有至少1000-psi的流体静力学设计基准(HDB)。

    ETHYLENE-BASED POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME
    3.
    发明申请
    ETHYLENE-BASED POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME 有权
    基于乙烯的聚合物组合物,其制备方法和从其制备的制品

    公开(公告)号:US20110034635A1

    公开(公告)日:2011-02-10

    申请号:US12811015

    申请日:2008-12-18

    IPC分类号: C08L23/06

    摘要: The invention provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer, and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer has a density less than, or equal to, 0.955 g/cm3, and wherein the blend has a high load melt index (I21) greater than, or equal to, 15 g/10 min, and wherein the blend has a molecular weight distribution (Mw/Mn) greater than, or equal to, 15. The invention also provides a composition comprising a blend, which comprises a high molecular weight ethylene-based polymer and a low molecular weight ethylene-based polymer, and wherein the high molecular weight ethylene-based polymer component has a density less than, or equal to, 0.945 g/cm3, and a melt index (I2) less than, or equal to, 0.1 g/10 min, and wherein the blend has a high load melt index (I21) less than, or equal to, 15 g/10 min, and a melt index (I5) less than, or equal to 1 g/10 min, and a molecular weight distribution (Mw/Mn) greater than, or equal to, 15. Additional compositions are disclosed.

    摘要翻译: 本发明提供一种包含共混物的组合物,其包含高分子量乙烯基聚合物和低分子量乙烯基聚合物,并且其中所述高分子量乙烯基聚合物的密度小于或等于 0.955g / cm 3,并且其中所述共混物具有大于或等于15g / 10min的高负荷熔体指数(I21),并且其中所述共混物的分子量分布(Mw / Mn)大于或等于 本发明还提供一种包含共混物的组合物,其包含高分子量乙烯基聚合物和低分子量乙烯基聚合物,并且其中高分子量乙烯基聚合物组分的密度小于 ,或等于0.945g / cm 3,熔体指数(I 2)小于或等于0.1g / 10min,并且其中所述共混物具有小于或等于的熔体指数(I 21) 15g / 10min,熔体指数(I5)小于或等于1g / 10min,分子w 八分配(Mw / Mn)大于或等于15.另外的组合物被公开。

    HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF PRODUCING THE SAME, CLOSURE DEVICES MADE THEREFROM, AND METHOD OF MAKING SUCH CLOSURE DEVICES
    4.
    发明申请
    HIGH-DENSITY POLYETHYLENE COMPOSITIONS, METHOD OF PRODUCING THE SAME, CLOSURE DEVICES MADE THEREFROM, AND METHOD OF MAKING SUCH CLOSURE DEVICES 有权
    高密度聚乙烯组合物,其制造方法,其制造的闭合装置以及制造这种封闭装置的方法

    公开(公告)号:US20120022214A1

    公开(公告)日:2012-01-26

    申请号:US13144465

    申请日:2010-01-27

    IPC分类号: C08L23/08

    摘要: The instant invention is a high-density polyethylene composition, method of producing the same, closure devices made therefrom, and method of making such closure devices. The high-density polyethylene composition according to the present invention comprises (a) a first component comprising a high molecular weight ethylene alpha-olefin copolymer having a density in the range of 0.927 to 0.938 g/cm3, and a melt flow rate (I21) in the range of 4 to 10 g/10 minutes, and (b) a second component comprising a low molecular weight ethylene polymer having a density in the range of 0.960 to 0.975 g/cm3, and a melt index (I2) in the range of 100 to 1200 g/10 minutes; and wherein the high-density polyethylene composition has a melt index (I2) in the range of from 2 to 10 g/10 minutes, a density in the range of from 0.950 to 0.960 g/cm3, and a flow direction shrinkage to cross flow direction shrinkage ratio in the range of from 2 to 3.2, and an environmental stress crack resistance (ESCR) (F50) according to ASTM D-1693, condition B at 50° C., and using 10 percent Branched Octylphenoxy Poly (Ethyleneoxy) Ethanol, in the range of equal to or greater than 50 hours.

    摘要翻译: 本发明是高密度聚乙烯组合物,其制造方法,由其制成的封闭装置,以及制造这种闭合装置的方法。 根据本发明的高密度聚乙烯组合物包含(a)包含密度在0.927至0.938g / cm 3范围内的高分子量乙烯α-烯烃共聚物和熔体流动速率(I21)的第一组分, 在4至10g / 10分钟的范围内,和(b)包含密度在0.960至0.975g / cm 3范围内的低分子量乙烯聚合物的第二组分和在该范围内的熔体指数(I 2) 为100〜1200g / 10分钟; 并且其中所述高密度聚乙烯组合物具有在2至10g / 10分钟范围内的熔体指数(I 2),在0.950至0.960g / cm 3范围内的密度和横向流动方向收缩 方向收缩率在2至3.2范围内,以及根据ASTM D-1693,条件B在50℃下的环境应力开裂抗力(ESCR)(F50),并使用10%的支链辛基苯氧基聚(乙烯氧基)乙醇 在等于或大于50小时的范围内。

    CAVITATED ORIENTED POLYETHYLENE POLYMER COMPOSITES
    6.
    发明申请
    CAVITATED ORIENTED POLYETHYLENE POLYMER COMPOSITES 有权
    密封的聚乙烯聚合物复合材料

    公开(公告)号:US20100227144A1

    公开(公告)日:2010-09-09

    申请号:US12715906

    申请日:2010-03-02

    IPC分类号: B32B27/32 B29C47/78

    摘要: Solid state draw a polymer billet, wherein at least 50 percent of all polymers in the billet is a continuous phase of polyethylene polymer having a density of 0.941-0.959 grams per cubic centimeter and a weight-average molecular weight that is 110,000 grams per mole or greater, at a drawing rate of 1.2 meters per minute or faster using a tensile force to create an oriented and cavitated polymer composition whose cross section dimensions all exceed two millimeters.

    摘要翻译: 固态拉伸聚合物坯料,其中坯料中所有聚合物的至少50%是密度为0.941-0.959克/立方厘米,重均分子量为110,000克/摩尔的聚乙烯聚合物的连续相,或 以拉伸速度为1.2米/分钟或更快的拉伸速度,以产生横截面尺寸全部超过2毫米的取向和空化的聚合物组合物。

    HIGH-DENSITY POLYETHYLENE COMPOSITIONS AND METHOD OF MAKING THE SAME
    7.
    发明申请
    HIGH-DENSITY POLYETHYLENE COMPOSITIONS AND 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:US20090076236A1

    公开(公告)日:2009-03-19

    申请号:US12251813

    申请日:2008-10-15

    IPC分类号: C08F210/02

    摘要: The instant invention is a high-density polyethylene composition, and method of making the same. The high-density polyethylene composition of the instant invention includes an ethylene alpha-olefin copolymer having a density in the range of 0.935 to 0.952 g/cm3, a melt index (I2) in the range of 30 to 75 g/10 minutes, an I21/I2 ratio in the range of 13-35, a Mw/Mn ratio in the range of 3.5-8. The high-density polyethylene composition has a brittleness temperature of at least less than −20° C. The process for producing a high-density polyethylene composition according to instant invention includes the following steps: (1) introducing ethylene, and an alpha-olefin comonomer into a reactor; (2) copolymerizing the ethylene with the alpha-olefin comonomer in the reactor; and (3) thereby producing the high-density polyethylene composition, wherein the high-density polyethylene composition having a density in the range of 0.935 to 0.952 g/cm3, a melt index (I2) in the range of 30 to 75 g/10 minutes, an I21/I2 ratio in the range of 13-35, a Mw/Mn ratio in the range of 3.5-8, and a brittleness temperature of at least less than −20° C.

    摘要翻译: 本发明是高密度聚乙烯组合物及其制造方法。 本发明的高密度聚乙烯组合物包括密度为0.935〜0.952g / cm3,熔体指数(I 2)在30〜75g / 10分钟范围内的乙烯-α-烯烃共聚物, I21 / I2比在13-35范围内,Mw / Mn比在3.5-8的范围内。 高密度聚乙烯组合物具有至少低于-20℃的脆性温度。本发明的高密度聚乙烯组合物的制备方法包括以下步骤:(1)引入乙烯和α-烯烃 共聚单体进入反应器; (2)在反应器中使乙烯与α-烯烃共聚单体共聚; 和(3),由此制备高密度聚乙烯组合物,其中密度在0.935至0.952g / cm 3范围内的熔融指数(I 2)在30至75g / 10min范围内的高密度聚乙烯组合物 分钟,I21 / I2比在13-35范围内,Mw / Mn比在3.5-8范围内,脆性温度至少低于-20℃。

    METHOD FOR IMPROVING THE BUBBLE STABILITY OF A POLYETHYLENE COMPOSITION SUITABLE FOR BLOWN FILM EXTRUSION PROCESS
    10.
    发明申请
    METHOD FOR IMPROVING THE BUBBLE STABILITY OF A POLYETHYLENE COMPOSITION SUITABLE FOR BLOWN FILM EXTRUSION PROCESS 审中-公开
    改善适用于薄膜挤出工艺的聚乙烯组合物的泡沫稳定性的方法

    公开(公告)号:US20110178262A1

    公开(公告)日:2011-07-21

    申请号:US13007794

    申请日:2011-01-17

    IPC分类号: C08F6/00 C08F110/02

    摘要: The instant invention provides a method for improving the bubble stability of a polyethylene composition suitable for blown film extrusion process. The method for improving the bubble stability of a polyethylene composition suitable for blown film extrusion process comprises the steps of: (1) providing a polyethylene composition having a density in the range of 0.900 g/cm3 to 0.970 g/cm3 and an relaxation spectrum index (RSI) value in the range of 10 to 100; (2) oxygen tailoring said polyethylene composition; (3) thereby forming an oxygen tailored polyethylene composition, wherein the RSI value of the said oxygen tailored polyethylene composition increases from 10% to 300% of its initial value; (4) thereby improving the bubble stability of said polyethylene composition.

    摘要翻译: 本发明提供了一种改善适用于吹塑薄膜挤出方法的聚乙烯组合物的气泡稳定性的方法。 适用于吹塑薄膜挤出方法的聚乙烯组合物的气泡稳定性改善方法包括以下步骤:(1)提供密度在0.900g / cm 3至0.970g / cm 3范围内的聚乙烯组合物和松弛谱指数 (RSI)值在10到100的范围内; (2)氧气定制所述聚乙烯组合物; (3),从而形成氧定制的聚乙烯组合物,其中所述氧定制的聚乙烯组合物的RSI值从其初始值的10%增加到300%; (4),从而改善所述聚乙烯组合物的气泡稳定性。