Polymers, Method of Producing the Same, and Articles Made Therefrom
    41.
    发明申请
    Polymers, Method of Producing the Same, and Articles Made Therefrom 有权
    聚合物,生产方法及其制品

    公开(公告)号:US20130324681A1

    公开(公告)日:2013-12-05

    申请号:US13991541

    申请日:2011-12-29

    IPC分类号: C08F110/02

    摘要: A virgin granular polymer comprising polymer particles wherein at least 90% by weight of the granular polymer particles, have an I21 that is within two standard deviations of a mean I21 of the granular polymer, the ratio of the standard deviation of I21 to the mean of the granular polymer is less than 0.2 and the ratio of the standard error of a linear fit to the mean of the granular polymer is less than 0.1, and further wherein the virgin granular polymer has an I21 less than or equal to 70 and/or further wherein at least 90% by weight of the granular polymer particles, have a density that is within two standard deviations of a mean density of the granular polymer, the ratio of the standard deviation of the mean density of the granular polymer to the mean density of the granular polymer is less than 0.002 and the ratio of the standard error of a linear fit to the mean of the density is less than 0.001, and further wherein the virgin granular polymer has an I21 less than or equal to 70 is provided.

    摘要翻译: 一种原始粒状聚合物,其包含聚合物颗粒,其中至少90重量%的颗粒状聚合物颗粒具有在颗粒状聚合物的平均I 21的两个标准偏差内的I 21,I 21的标准偏差与 颗粒状聚合物小于0.2,线性配合与颗粒状聚合物的平均值的标准误差的比值小于0.1,此外,其中原始粒状聚合物的I 21小于或等于70,和/或更进一步 其中至少90重量%的粒状聚合物颗粒的密度在粒状聚合物的平均密度的两个标准偏差之内,颗粒状聚合物的平均密度的标准偏差与平均密度的平均密度之比 粒状聚合物的含量小于0.002,线性配合的标准误差与密度平均值的比值小于0.001,另外,原始粒状聚合物的I21小于等于70 被提供。

    ZIEGLER-NATTA CATALYST COMPOSITIONS FOR PRODUCING POLYETHYLENES WITH A HIGH MOLECULAR WEIGHT TAIL AND METHODS OF MAKING THE SAME
    44.
    发明申请
    ZIEGLER-NATTA CATALYST COMPOSITIONS FOR PRODUCING POLYETHYLENES WITH A HIGH MOLECULAR WEIGHT TAIL AND METHODS OF MAKING THE SAME 审中-公开
    用于生产具有高分子量尾的聚乙烯的ZIEGLER-NATTA催化剂组合物及其制备方法

    公开(公告)号:US20110130271A1

    公开(公告)日:2011-06-02

    申请号:US13054965

    申请日:2009-08-06

    IPC分类号: C08F4/60

    摘要: Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts.

    摘要翻译: 提供制备聚合催化剂组分的方法,其中将镁组分,路易斯酸增溶组分,钛化合物,任选的不同于钛化合物的过渡金属化合物,通常为惰性填料组合在制浆剂和喷雾中 干燥以产生呈基本球形和多孔固体颗粒形式的催化剂前体。 与更传统的齐格勒 - 纳塔催化剂相比,本公开的方法和催化剂可以提供具有高分子量尾部和扩展的分子量分布的乙烯均聚物和共聚物树脂。

    ENHANCED CONDENSED MODE OPERATION IN METHOD OF PRODUCING POLYOFEFINS WITH CHROMIUM BASED CATALYSTS
    45.
    发明申请
    ENHANCED CONDENSED MODE OPERATION IN METHOD OF PRODUCING POLYOFEFINS WITH CHROMIUM BASED CATALYSTS 审中-公开
    用基于铬的催化剂生产聚氟乙烯的方法中增强的浓缩模式操作

    公开(公告)号:US20110009577A1

    公开(公告)日:2011-01-13

    申请号:US12833768

    申请日:2010-07-09

    IPC分类号: C08F4/622

    摘要: A gas phase polymerization process for producing a polyethylene polymer including polymerizing ethylene and optionally at least one α-olefin comonomer in a fluidized bed reactor under condensed mode operating conditions using a Cr+6-based supported catalyst and a catalyst initiation enhancing agent is provided. The catalyst initiation enhancing agent is an aluminum alkyl solution that is present in the fluidized bed reactor at effective Al/Cr ratios between 0.2 to 1.5. A catalyst initiation enhancing system including at least one aluminum alkyl and at least one hydrocarbon solvent wherein the aluminum alkyl is present in the solvent at concentrations of less than about 0.03 molar.

    摘要翻译: 提供了一种用于制备聚乙烯聚合物的气相聚合方法,包括在冷凝模式操作条件下使用Cr + 6基负载型催化剂和催化剂起始增强剂在流化床反应器中使乙烯和任选的至少一种α-烯烃共聚单体聚合。 催化剂起始增强剂是在0.2至1.5之间的有效Al / Cr比率存在于流化床反应器中的烷基铝溶液。 包含至少一种烷基铝和至少一种烃溶剂的催化剂起始增强体系,其中烷基铝以小于约0.03摩尔的浓度存在于溶剂中。

    PROCESS FOR POLYMERIZING OLEFIN-BASED POLYMERS
    46.
    发明申请
    PROCESS FOR POLYMERIZING OLEFIN-BASED POLYMERS 审中-公开
    用于聚合烯烃的聚合物的方法

    公开(公告)号:US20100292418A1

    公开(公告)日:2010-11-18

    申请号:US12811010

    申请日:2008-12-19

    IPC分类号: C08F4/16 C08F4/06

    摘要: A process for producing an olefin-based polymer, said process comprising polymerizing at least one monomer, in the gas phase, or in a slurry process, in the presence of at least the following components: A) at least one catalyst; B) at least one cocatalyst; C) a composition comprising at least one compound selected from formula (I), and/or at least one compound selected from formula (II): (R1CO2)2AlOH   (I), (R2)xN(R3OH)y   (II); wherein R1 is a hydrocarbon radical containing from 13 to 25 carbons; R2 is a hydrocarbon radical containing from 14 to 26 carbons; R3 is a hydrocarbon radical containing from 1 to 4 carbons; and x+y=3, and x has a value of 1 or 2. A process for producing an olefin-based polymer, said process comprising polymerizing at least one monomer in the presence of at least the following components: A) a Ziegler Natta type catalyst comprising at least two transition metals; B) a trialkylaluminum compound; C) optionally a composition comprising at least one compound selected from formula (I), and/or at least one compound selected from formula (II): (R1CO2)2AlOH   (I), (R2)xN(R3OH)y   (II); wherein R1 is a hydrocarbon radical containing from 13 to 25 carbons; R2 is a hydrocarbon radical containing from 14 to 26 carbons; R3 is a hydrocarbon radical containing from 1 to 4 carbons; and x+y=3, and x has a value of 1 or 2.

    摘要翻译: 一种制备烯烃基聚合物的方法,所述方法包括在至少以下组分的存在下,在气相或淤浆法中聚合至少一种单体:A)至少一种催化剂; B)至少一种助催化剂; C)包含至少一种选自式(I)的化合物和/或至少一种选自式(II)的化合物:(R1CO2)2AlOH(I),(R2)xN(R3OH)y(II); 其中R1是含有13-25个碳原子的烃基; R2是含有14-26个碳原子的烃基; R3是含有1至4个碳的烃基; 和x + y = 3,x的值为1或2.一种制备烯烃基聚合物的方法,所述方法包括在至少以下组分存在下聚合至少一种单体:A)齐格勒纳塔 型催化剂,其包含至少两种过渡金属; B)三烷基铝化合物; C)任选的包含至少一种选自式(I)的化合物和/或至少一种选自式(II)的化合物:(R1CO2)2AlOH(I),(R2)xN(R3OH)y(II) ; 其中R1是含有13-25个碳原子的烃基; R2是含有14-26个碳原子的烃基; R3是含有1至4个碳的烃基; x + y = 3,x为1或2。

    Shape-shifted magnesium alkoxide component for polymerizing olefins
    50.
    发明授权
    Shape-shifted magnesium alkoxide component for polymerizing olefins 失效
    用于聚合烯烃的形状转化的醇镁组分

    公开(公告)号:US5567665A

    公开(公告)日:1996-10-22

    申请号:US447921

    申请日:1995-05-23

    摘要: A process is provided for preparing a shape-shifted catalyst component comprising (1) contacting a dihydrocarbyloxide magnesium compound with carbon dioxide in the presence of a slurrying agent to form a slurry of a carboxylated dihydrocarbyloxide magnesium compound; (2) adding a filler to the slurry either before or after the carboxylation of step (1); (3) spray drying the slurry of step (2) to evaporate the slurrying agent and to produce solid particles of the carboxylated dihydrocarbyloxide magnesium compound incorporating the filler; and, optionally, (4) heating the solid particles to remove carbon dioxide to produce a shape-shifted dihydrocarbyloxide magnesium compound component. A catalyst system using the component and a polymerization process employing the catalyst system are also provided.

    摘要翻译: 提供了一种制备形状转移催化剂组分的方法,其包括(1)在淤浆剂存在下使二氢氧化镁镁化合物与二氧化碳接触以形成羧基化二氢氧化镁镁化合物的浆料; (2)在步骤(1)的羧化之前或之后向浆料中加入填料; (3)喷雾干燥步骤(2)的浆料以蒸发制浆剂并产生掺入填料的羧化二氢氧化镁镁化合物的固体颗粒; 和(4)加热固体颗粒以除去二氧化碳以产生形状转移的二氢氧化镁化合物组分。 还提供了使用该组分的催化剂体系和采用催化剂体系的聚合方法。