Ethylene-based polymer compositions, methods of making the same, and articles prepared from the same
    6.
    发明授权
    Ethylene-based polymer compositions, methods of making the same, and articles prepared from the same 有权
    乙烯基聚合物组合物,其制备方法和由其制备的制品

    公开(公告)号:US09175111B2

    公开(公告)日:2015-11-03

    申请号:US12811015

    申请日:2008-12-18

    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。

    METHOD OF MAKING ZIEGLER-NATTA TYPE CATALYSTS
    8.
    发明申请
    METHOD OF MAKING ZIEGLER-NATTA TYPE CATALYSTS 有权
    制备ZIEGLER-NATTA型催化剂的方法

    公开(公告)号:US20110251361A1

    公开(公告)日:2011-10-13

    申请号:US12759515

    申请日:2010-04-13

    IPC分类号: C08F4/76 C08F4/603 C08F4/60

    摘要: A process for making a Ziegler-Natta-type catalyst precursor including contacting a Group 4 metal compound with one or more Titanium compounds selected from the group of TiCl3 (Al-activated or hydrogen-reduced), and Ti(OR)4 where R is ethyl, isopropyl or butyl in the presence of an alcohol solution having at least one C2-C4 alcohol and at least one of MgCl2 and magnesium compounds which form MgCl2 in the presence of the alcohol solution to form a catalyst precursor solution is provided. Also provided are catalysts made from the precursors produced by the process. Also provided are polymers made using the catalysts.

    摘要翻译: 包括使第4族金属化合物与选自TiCl 3(Al活化或还原氢)和Ti(OR)4中的一种或多种钛化合物接触的齐格勒 - 纳塔型催化剂前体的方法,其中R为 乙醇,异丙基或丁基,在醇溶液存在下,在具有至少一种C 2 -C 4醇的醇溶液和至少一种形成MgCl 2的MgCl 2和镁化合物的存在下,提供了形成催化剂前体溶液的方法。 还提供了由由该方法制备的前体制成的催化剂。 还提供了使用这些催化剂制备的聚合物。

    ETHYLENE-BASED POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME
    9.
    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。

    Preparation of ethylene copolymers in fluid bed reactor
    10.
    发明授权
    Preparation of ethylene copolymers in fluid bed reactor 失效
    在流化床反应器中制备乙烯共聚物

    公开(公告)号:US4302566A

    公开(公告)日:1981-11-24

    申请号:US14414

    申请日:1979-02-27

    IPC分类号: C08F2/34 C08F210/16 C08F4/64

    CPC分类号: C08F210/16

    摘要: Ethylene copolymers having a density of .gtoreq.0.91 to .ltoreq.0.96 and a melt flow ratio of .gtoreq.22 to .ltoreq.32 are readily produced in a low pressure gas phase process at a productivity of .gtoreq.50,000 pounds of polymer per pound of Ti with a particulate catalyst diluted with an inert carrier material and formed from selected organo aluminum compounds and a precursor composition of the formula:Mg.sub.m Ti.sub.1 (OR).sub.n X.sub.p [ED].sub.qwherein ED is a selected electron donor compound.m is .gtoreq.0.5 to .ltoreq.56n is 0 or 1p is .gtoreq.6 to .ltoreq.116q is .gtoreq.2 to .ltoreq.85R is a C.sub.1 to C.sub.14 aliphatic or aromatic hydrocarbon radical, or COR' wherein R' is a C.sub.1 to C.sub.14 aliphatic or aromatic hydrocarbon radical, andX is selected from the group consisting of Cl, Br, I, or mixtures thereof.

    摘要翻译: 在低压气相法中容易产生密度≥0.91〜0.96,熔体流动比> 22 = 32的乙烯共聚物,生产率≥50万磅 聚合物每磅Ti与用惰性载体材料稀释并由选定的有机铝化合物和下式的前体组合物MgMTi1(OR)nXp [ED] q形成的颗粒催化剂形成,其中ED是选择的电子给体化合物。 m为≥0.5至 / = 6至 / = 2至