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128 条记录 (耗时 0.043 秒)

    Heterogeneous in-reactor polymer blends
    31.
    发明授权
    Heterogeneous in-reactor polymer blends 有权
    不均匀的反应器内聚合物共混物

    公开(公告)号：US08106127B2

    公开(公告)日：2012-01-31

    申请号：US12638861

    申请日：2009-12-15

    申请人： Carlos U. De Gracia ,  Kevin R. Squire ,  Peijun Jiang ,  Armenag H. Dekmezian ,  Beverly J. Poole ,  Cesar A. Garcia-Franco

    发明人： Carlos U. De Gracia ,  Kevin R. Squire ,  Peijun Jiang ,  Armenag H. Dekmezian ,  Beverly J. Poole ,  Cesar A. Garcia-Franco

    IPC分类号： C08F8/00 ,  C08L23/04 ,  C08L23/10 ,  C08K5/00

    CPC分类号： C08L23/16 ,  C08L23/12 ,  C08L2314/06 ,  C08L2666/06

    摘要： An in-reactor polymer blend comprises (a) a propylene-containing first polymer; and (b) an ethylene-containing second polymer such that the polymer blend comprises between about 50 wt % and about 80 wt % units derived from ethylene and between about 50 wt % and about 20 wt % units derived from propylene. The blend is substantially free of dienes and the content of ethylene in the second polymer in the form of ethylene-ethylene-ethylene triads is at least 40%. The second polymer contains at least 0.1 branch having 8 or more carbon atoms per 10,000 carbons. In addition, the blend has a strain hardening index of at least 1.8, a shear thinning slope in the plot of log(dynamic viscosity) versus log(frequency) of less than −0.2 and exhibits at least two peaks when subjected to Differential Scanning Calorimetry (first melt) corresponding to a first melting point of at least 150° C. and a second melting point of at least 40° C. such that the difference between the first and second melting temperatures is at least 20° C.

    摘要翻译： 反应器内聚合物共混物包含（a）含丙烯的第一聚合物; 和（b）含乙烯的第二聚合物，使得聚合物共混物包含衍生自乙烯的约50重量％至约80重量％的单元和衍生自丙烯的约50重量％至约20重量％的单元。 共混物基本上不含二烯，乙烯 - 乙烯 - 乙烯三单元组形式的第二聚合物中的乙烯含量至少为40％。 第二聚合物含有至少0.1个分支，每10,000个碳原子具有8个或更多个碳原子。 此外，共混物的应变硬化指数为至少1.8，对数（动态粘度）对log（频率）的曲线图中的剪切变稀斜率小于-0.2，并且当进行差示扫描量热法时显示出至少两个峰 （第一熔体），其对应于至少150℃的第一熔点和至少40℃的第二熔点，使得第一和第二熔融温度之间的差异为至少20℃。

    Thermoplastic polyolefin in-reactor blends and molded articles therefrom
    32.
    发明授权
    Thermoplastic polyolefin in-reactor blends and molded articles therefrom 有权
    热塑性聚烯烃反应器内共混物及其模塑制品

    公开(公告)号：US08093335B2

    公开(公告)日：2012-01-10

    申请号：US12638843

    申请日：2009-12-15

    申请人： Peijun Jiang ,  Armenag H. Dekmezian ,  Joseph Gustaaf M. Flendrig

    发明人： Peijun Jiang ,  Armenag H. Dekmezian ,  Joseph Gustaaf M. Flendrig

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

    CPC分类号： C08L23/12 ,  C08L23/14 ,  C08L2205/02 ,  C08L2314/06 ,  C08L2666/06

    摘要： This invention relates to a molded article comprising an in-reactor polymer blend comprising: (a) a first propylene polymer comprising 90 to 100 wt % propylene and from 0 to less than 10 wt % comonomer, said first propylene component having a Tm of 135° C. or more; and (b) a second propylene polymer comprising from 30 to 90 wt % propylene and 70 to 10 wt % comonomer, said second propylene polymer having an Mw of 30,000 g/mol or more, and said second propylene-containing polymer having a crystallinity different by at least 5% from the first polymer, wherein the polymer blend has: (a) a Tm of at least 135° C., (b) a melt flow rate of at least 70 dg/min, (c) a tensile strength of at least 8 MPa, (d) an elongation at break of at least 200%, (e) a tensile strength at break of 10 MPa or more, and (f) a GME 60280 scratch resistance of less than 1.2 DL at a scratching load of 5 Newtons.

    摘要翻译： 本发明涉及包含反应器内聚合物共混物的模制品，其包含：（a）包含90至100重量％丙烯和0至小于10重量％共聚单体的第一丙烯聚合物，所述第一丙烯组分的Tm为135 ℃以上; 和（b）第二丙烯聚合物，其包含30至90重量％的丙烯和70至10重量％的共聚单体，所述第二丙烯聚合物的Mw为30,000g / mol或更高，并且所述第二丙烯聚合物具有不同的结晶度 与第一聚合物相比至少5％，其中聚合物共混物具有：（a）Tm至少为135℃，（b）熔体流动速率至少为70dg / min，（c）拉伸强度 至少8MPa，（d）断裂伸长率至少为200％，（e）断裂时的拉伸强度为10MPa以上，（f）在刮擦时GME 60280耐擦伤性小于1.2DL 负荷5牛顿。

    Thermoplastic Elastomer Polyolefin In-Reactor Blends And Molded Articles Therefrom
    34.
    发明申请
    Thermoplastic Elastomer Polyolefin In-Reactor Blends And Molded Articles Therefrom 有权
    热塑性弹性体聚烯烃反应器共混物和成型制品

    公开(公告)号：US20100152383A1

    公开(公告)日：2010-06-17

    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： C08L23/04

    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。

    Polymerization Process and Adhesives Therefrom
    36.
    发明申请
    Polymerization Process and Adhesives Therefrom 有权
    聚合工艺和粘合剂

    公开(公告)号：US20090239999A1

    公开(公告)日：2009-09-24

    申请号：US12480988

    申请日：2009-06-09

    申请人： Jo Ann M. Canich ,  Peijun Jiang

    发明人： Jo Ann M. Canich ,  Peijun Jiang

    IPC分类号： C08L23/00 ,  C08F110/06

    CPC分类号： C08F10/06 ,  C08F4/65908 ,  C08F4/65912 ,  C08F210/06 ,  Y10S526/943 ,  C08F4/65927 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2500/20

    摘要： This invention relates to a propylene polymer comprising a component having a crystallinity of 10% or less and a component having a crystallinity of 20% or more, said propylene polymer having: a) a melting point of X ° C. or more where X=−0.0038(Tp)2+0.36(Tp)+150, where Tp is the temperature of polymerization in ° C.; b) an Mw of 10,000 g/mol or more; c) a heat of fusion of from 1-70 J/g; d) Stereodefects per 10,000 monomer units of Y or less where Y=2.35(Tp)−100 (where Tp is the temperature of polymerization in ° C.) for the portion of the blend that is insoluble in hexane at 23° C.; e) a dot T-Peel on Kraft paper of 1 N or more; and f) a branching factor of 0.98 or less, where the branching factor is the ratio of g′ measured at Mz to g′ measured at Mw, and process to produce such polymers.

    摘要翻译： 本发明涉及包含结晶度为10％以下的成分和结晶度为20％以上的成分的丙烯聚合物，所述丙烯类聚合物具有：a）熔点X℃以上，X = -0.0038（Tp）2 + 0.36（Tp）+150，其中Tp是以℃表示的聚合温度。 b）10,000g / mol以上的Mw; c）熔化热为1-70J / g; d）对于在23℃下不溶于己烷的共混物部分，每10,000单位单元的Y = 2.35（Tp）-100（其中Tp是聚合温度）的Y或更低的单位单位的立体缺陷度。 e）N型牛皮纸上的T型剥皮; 和f）0.98或更小的支化因子，其中支化因子是在Mw下测量的在Mz测量的g'与g'的比率，以及产生这种聚合物的方法。

    Blend functionalized polyolefin adhesive
    37.
    发明授权
    Blend functionalized polyolefin adhesive 有权
    混合功能化聚烯烃粘合剂

    公开(公告)号：US07541402B2

    公开(公告)日：2009-06-02

    申请号：US10825635

    申请日：2004-04-15

    申请人： Ramin Abhari ,  Charles Lewis Sims ,  Patrick Brant ,  Peijun Jiang

    发明人： Ramin Abhari ,  Charles Lewis Sims ,  Patrick Brant ,  Peijun Jiang

    IPC分类号： C08L51/00

    CPC分类号： C08F255/00 ,  C08F8/00 ,  C08F255/02 ,  C08F2800/20 ,  C08L51/06 ,  C08L2205/02 ,  C08L2666/02 ,  C08L2666/04 ,  C08L2666/06 ,  C09J123/10 ,  C09J151/06 ,  C08F210/06

    摘要： Disclosed herein is an adhesive composition comprising a blend functionalized with a functional group, wherein the blend comprises a C3 to C40 olefin polymer and an additive, the C3 to C40 olefin polymer comprising at least 50 mol % of one or more C3 to C40 olefins, and where the C3 to C40 olefin polymer has: a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of 10,000 to 100,000; and a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or a branching index (g′) of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000. A process of producing the adhesive composition, as well as methods of utilizing the adhesive composition are also disclosed.

    摘要翻译： 本文公开了一种粘合剂组合物，其包含用官能团官能化的共混物，其中所述共混物包含C 3至C 40烯烃聚合物和添加剂，所述C 3至C 40烯烃聚合物包含至少50摩尔％的一种或多种C 3至C 40烯烃， 并且其中C3至C40烯烃聚合物具有：在牛皮纸上具有1牛顿或更多的点T皮; 10,000至100,000的Mw; 以及当聚合物的Mw为10,000至60,000时聚合物的Mz测量的支化指数（g'）为0.98或更小，或在聚合物的Mz下测量的支化指数（g'）为0.95或更低 该聚合物的Mw为10,000至100,000。 还公开了制备粘合剂组合物的方法以及使用粘合剂组合物的方法。

    Soft homogeneous isotactic polypropylene compositions
    38.
    发明申请
    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：US20080249231A1

    公开(公告)日：2008-10-09

    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： C08L23/16 ,  C08L9/00

    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。