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    Thermoplastic elastomer polyolefin in-reactor blends and molded articles therefrom
    51.
    发明授权
    Thermoplastic elastomer polyolefin in-reactor blends and molded articles therefrom 有权
    热塑性弹性体聚烯烃反应器内共混物及其模塑制品

    公开(公告)号：US08101685B2

    公开(公告)日：2012-01-24

    申请号：US12638916

    申请日：2009-12-15

    申请人： Peijun Jiang ,  Armenag H. Dekmezian ,  Kevin R. Squire ,  Cesar A. Garcia-Franco

    发明人： Peijun Jiang ,  Armenag H. Dekmezian ,  Kevin R. Squire ,  Cesar A. Garcia-Franco

    IPC分类号： C08F8/00 ,  C08L23/04 ,  C08L23/10

    CPC分类号： C08L23/06 ,  C08L23/08 ,  C08L2205/02 ,  C08L2314/06 ,  C08L2666/06

    摘要： This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3, wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%. Specifically this invention relates to an in-reactor polymer blend comprising: (a) a first ethylene polymer comprising 90 to 100 wt % ethylene and from 0 to less than 10 wt % comonomer, said first ethylene polymer component having density of greater than 0.920 g/cm3, an Mw of 20,000 g/mol or more; and (b) a second ethylene polymer comprising from 70 to 90 wt % ethylene and 30 to 10 wt % comonomer, said second ethylene polymer having a density of 0.910 g/cm3 or less, wherein the polymer blend has: (a) a Tm of at least 100° C. over a density ranging from 0.84 to 0.92 g/cm3; (b) a elongation at break of 300% or more; (c) a strain hardening index M300/M100 of at least 1.2; (d) a ratio of complex viscosity at 0.01 rad/s to the viscosity at 100 rad/s is of at least 30; and (e) a shear thinning slope of the plot of log(dynamic viscosity) versus log(frequency) less than −0.2.

    摘要翻译： 本发明涉及一种反应器内聚合物共混物，其包含：（a）密度大于0.90g / cm 3，Mw大于20,000g / mol的第一含乙烯聚合物和（b）第二含乙烯的聚合物 聚合物的密度小于0.90g / cm 3，其中聚合物共混物具有至少90℃的Tm（DSC第二熔体），密度小于0.92g / cm 3，第一和第二密度 聚合物的差异至少为1％。 具体而言，本发明涉及一种反应器内聚合物共混物，其包含：（a）包含90至100重量％乙烯和0至小于10重量％共聚单体的第一乙烯聚合物，所述第一乙烯聚合物组分的密度大于0.920g / cm3，Mw为20,000g / mol以上; 和（b）包含70-90wt％乙烯和30-10wt％共聚单体的第二乙烯聚合物，所述第二乙烯聚合物的密度为0.910g / cm 3或更低，其中所述聚合物共混物具有：（a）Tm 至少100℃，密度范围为0.84至0.92g / cm 3; （b）断裂伸长率在300％以上; （c）至少为1.2的应变硬化指数M300 / M100; （d）0.01rad / s下的复数粘度与100rad / s下的粘度之比至少为30; 和（e）对数（动态粘度）对log（频率）小于-0.2的曲线的剪切变薄斜率。

    Catalyst system and process for olefin polymerization
    53.
    发明授权
    Catalyst system and process for olefin polymerization 有权
    催化剂体系和烯烃聚合方法

    公开(公告)号：US07985816B2

    公开(公告)日：2011-07-26

    申请号：US12849351

    申请日：2010-08-03

    申请人： Donna J. Crowther ,  Peijun Jiang ,  George Rodriguez

    发明人： Donna J. Crowther ,  Peijun Jiang ,  George Rodriguez

    IPC分类号： C08F4/6592 ,  B01J31/22

    CPC分类号： C08F210/06 ,  B01J31/0239 ,  B01J31/146 ,  B01J31/1616 ,  B01J31/2295 ,  B01J2231/122 ,  B01J2531/48 ,  B01J2531/49 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F10/06 ,  C08F110/06 ,  C08F210/16 ,  Y10S526/943 ,  C08F4/65908 ,  C08F2500/08 ,  C08F2500/20 ,  C08F2500/03 ,  C08F2500/17

    摘要： The present application relates to a new catalyst system for the polymerization of olefins, comprising a new ionic activator having the formula: [R1R2R3AH]+ [Y]−, wherein [Y]− is a non-coordinating anion (NCA), A is nitrogen or phosphorus, R1 and R2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non-aromatic ring with A, wherein any number of adjacent ring members may optionally be members of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, C1 to C10 alkyl, C5 to C15 aryl, C6 to C25 arylalkyl, and C6 to C25 alkylaryl, and R3 is a hydrogen atom or C1 to C10 alkyl, or R3 is a C1 to C10 alkylene group that connects to said first ring and/or to said at least one second ring or ring system. The present application also relates to a process for the polymerization of olefins, preferably propylene, using this and other catalyst systems, as well as to polymers made by said process.

    摘要翻译： 本申请涉及用于烯烃聚合的新型催化剂体系，其包含具有下式的新的离子活化剂：[R 1 R 2 R 3 AH] + [Y] - ，其中[Y] - 是非配位阴离子（NCA），A是 氮或磷，R 1和R 2是烃基或含杂原子的烃基，并且与A一起形成第一个3至10元非芳族环，其中任何数量的相邻环成员可以任选地是至少一个 第二个是两个或更多个环的芳族或脂族环或脂族和/或芳族环系，其中所述至少一个第二环或环系与所述第一环稠合，并且其中第一和/或至少一个 第二环或环系是碳原子或杂原子，并且可以被一个或多个选自氢原子，卤素原子，C 1至C 10烷基，C 5至C 15芳基，C 6至C 25芳烷基， 和C 6至C 25烷基芳基，R 3是氢 原子或C1至C10烷基，或R3是连接到所述第一环和/或所述至少一个第二环或环系统的C1至C10亚烷基。 本申请还涉及使用这种和其它催化剂体系以及通过所述方法制备的聚合物来聚合烯烃，优选丙烯的方法。

    High Shrinkage Propylene-Based Films
    54.
    发明申请
    High Shrinkage Propylene-Based Films 有权
    高收缩丙烯基薄膜

    公开(公告)号：US20110065867A1

    公开(公告)日：2011-03-17

    申请号：US12992204

    申请日：2009-05-27

    申请人： Jay K. Keung ,  Peijun Jiang

    发明人： Jay K. Keung ,  Peijun Jiang

    IPC分类号： C08L23/12

    CPC分类号： C08J5/18 ,  C08J2323/14 ,  C08L23/02 ,  C08L23/0815 ,  C08L23/142 ,  C08L57/02 ,  C08L2205/02 ,  C08L2666/02

    摘要： A heat-shrinkable film. The film comprising at least one layer having at least one propylene-based polymer comprising 60 wt % to 98 wt % propylene derived units and 2 wt % to 40 wt % one or more other alpha olefins, the propylene-based polymer having: a triad tacticity of 70% or more, a heat of fusion of less than 80 J/g, a weight average molecular weight (Mw) as measured by GPC of from 70,000 to 250,000. The layer also comprises at least one thermoplastic resin and at least one hydrocarbon resin.

    摘要翻译： 热收缩膜。 所述薄膜包含至少一层具有至少一种丙烯类聚合物的丙烯类聚合物，所述丙烯类聚合物包含60重量％至98重量％的丙烯衍生单元和2重量％至40重量％的一种或多种其它α-烯烃，所述丙烯类聚合物具有：三单元组 立构规整度为70％以上，熔融热小于80J / g，通过GPC测定的重均分子量（Mw）为70,000〜250,000。 该层还包含至少一种热塑性树脂和至少一种烃树脂。

    Soft homogeneous isotactic polypropylene compositions
    56.
    发明授权
    Soft homogeneous isotactic polypropylene compositions 有权
    软均匀全同立构聚丙烯组合物

    公开(公告)号：US07858701B2

    公开(公告)日：2010-12-28

    申请号：US12080486

    申请日：2008-04-03

    申请人： Sudhin Datta ,  Charles L. Sims ,  Peijun Jiang ,  Abdelhadi Sahnoune ,  Derek W. Thurman

    发明人： Sudhin Datta ,  Charles L. Sims ,  Peijun Jiang ,  Abdelhadi Sahnoune ,  Derek W. Thurman

    IPC分类号： C08L23/10

    CPC分类号： C08L23/10 ,  C08L23/12 ,  C08L23/142 ,  C08L2205/02 ,  C08L2666/06

    摘要： The present invention also discloses a homogeneous blend composition comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR @ 230° C.) of the first polymer component is between 300 g/10 min to 5000 g/10 min. b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C., wherein the first polymer component has less than 1000 ppm of reaction products arising from the chemical reaction of a molecular degradation agent.

    摘要翻译： 本发明还公开了一种均匀的共混组合物，其包含： a）1重量％至99重量％的第一聚合物组分的共混物，其包含5重量％至35重量％的主要由α-烯烃衍生单元组成的第一聚合物组分和65重量％至95重量％ 来自全同立构聚丙烯序列的结晶度为0.1％至约25％的丙烯衍生单元的第一聚合物组分，熔点为45℃至105℃，并且其中熔体流动速率（MFR @ 230℃ 。）的第一聚合物组分在300g / 10min至5000g / 10min之间。 b）1重量％至99重量％的包含全同立构聚丙烯的第二聚合物组分和全同立构丙烯的无规共聚物的共混物的共混物，其中共聚物中共聚α-烯烃的百分比为0.0-9重量％ 所述第二聚合物组分并且其中所述第二聚合物组分具有大于约110℃的熔点，其中所述第一聚合物组分具有小于1000ppm的由分子降解剂的化学反应产生的反应产物。

    Process of making polymer blends
    58.
    发明授权
    Process of making polymer blends 失效
    制备聚合物共混物的方法

    公开(公告)号：US07709577B2

    公开(公告)日：2010-05-04

    申请号：US11644140

    申请日：2006-12-22

    申请人： Peijun Jiang ,  Maria D. Ellul

    发明人： Peijun Jiang ,  Maria D. Ellul

    IPC分类号： C08L23/00 ,  C08L23/04

    CPC分类号： C08F10/06 ,  C08F110/06 ,  C08F210/06 ,  C08F255/02 ,  C08F279/02 ,  C08F297/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L51/06 ,  C08L53/00 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2314/02 ,  C08F2/06 ,  C08F2/001 ,  C08F2/14 ,  C08L2666/06 ,  C08L2666/24 ,  C08L2666/02 ,  C08F210/18 ,  C08F236/00 ,  C08F2500/21 ,  C08F2500/20

    摘要： In a process for producing a polymer blend, at least one first monomer is polymerized in a first slurry phase reaction zone in the presence of a supported first catalyst comprising a Ziegler-Natta component to produce a thermoplastic first polymer having a crystallinity of at least 30%. At least part of said first polymer is then contacted with at least one second monomer different from said first monomer and at least one polyene in a second solution phase reaction zone in the presence of a second catalyst under conditions to produce and at least partially cross-link said second polymer such that said second polymer comprises at least a fraction which is insoluble in xylene and has a crystallinity of less than 20%.

    摘要翻译： 在制备聚合物共混物的方法中，在包含齐格勒 - 纳塔组分的负载的第一催化剂的存在下，在第一浆料相反应区中聚合至少一种第一单体以产生具有至少30的结晶度的热塑性第一聚合物 ％。 然后在第二催化剂存在下，至少部分所述第一聚合物与至少一种不同于所述第一单体的第二单体和第二溶液相反应区中的至少一种多烯接触， 将所述第二聚合物连接成使得所述第二聚合物至少包含不溶于二甲苯并且具有小于20％的结晶度的级分。