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128 条记录 (耗时 0.066 秒)

    Soft heterogeneous isotactic polypropylene compositions
    64.
    发明授权
    Soft heterogeneous isotactic polypropylene compositions 有权
    软异相全同立构聚丙烯组合物

    公开(公告)号：US08263707B2

    公开(公告)日：2012-09-11

    申请号：US12080495

    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： C08L23/00 ,  C08L23/10 ,  C08K5/00

    CPC分类号： C08L23/10 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2666/02

    摘要： The present invention also discloses a heterogeneous 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非均相共混组合物，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℃ 第一聚合物组分的重量比在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，其中 共聚物中的共聚α-烯烃的百分比为第二聚合物组分的0.0％至9％，其中第二聚合物组分的熔点大于约110℃，其中第一聚合物组分的含量小于 产生1000ppm的反应产物 来自分子降解剂的化学反应。

    Polymerization Process And Adhesives Therefrom
    65.
    发明申请
    Polymerization Process And Adhesives Therefrom 有权
    聚合工艺和粘合剂

    公开(公告)号：US20120149829A1

    公开(公告)日：2012-06-14

    申请号：US13397263

    申请日：2012-02-15

    申请人： Jo Ann M. Canich ,  Peijun Jiang

    发明人： Jo Ann M. Canich ,  Peijun Jiang

    IPC分类号： C09J123/26 ,  C09J123/12 ,  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。

    Polymerization process
    70.
    发明授权
    Polymerization process 失效
    聚合过程

    公开(公告)号：US07799882B2

    公开(公告)日：2010-09-21

    申请号：US11628165

    申请日：2005-06-20

    申请人： Peijun Jiang ,  John Richard Shutt ,  Charles Stanley Speed ,  Robert Olds Hagerty ,  Pradeep P. Shirodkar

    发明人： Peijun Jiang ,  John Richard Shutt ,  Charles Stanley Speed ,  Robert Olds Hagerty ,  Pradeep P. Shirodkar

    IPC分类号： C08F2/14 ,  C08F110/06

    CPC分类号： C08F10/00 ,  C08F4/65908 ,  C08F4/65912 ,  C08F10/06 ,  C08F210/06 ,  C08F2/14 ,  C08F4/65927 ,  C08F2/06 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/20 ,  C08F2500/12

    摘要： This invention relates to a multiple phase polymerization process to produce polyolefins comprising contacting olefins and a homogeneous catalyst or catalyst system at a temperature between the melting point of the dry polymer and 80° C. below the melting point of the dry polymer in the presence of a fluorinated hydrocarbon. This invention also relates to a process to produce polyethylene comprising contacting a homogeneous catalyst or catalyst system with ethylene and from 0 to 40 weight % of one or more C3 to C40 olefin comonomer(s) in the presence of a fluorinated hydrocarbon and optionally a hydrocarbon solvent at a temperature below the reaction medium melting point. This invention also relates to a process to produce polypropylene comprising contacting a homogeneous catalyst or catalyst system with propylene and from 0 to 50 weight % of one or more of ethylene and C4 to C40 olefin comonomer(s) in the presence of a fluorinated hydrocarbon and optionally a hydrocarbon solvent at a temperature below the reaction medium melting point.

    摘要翻译： 本发明涉及生产聚烯烃的多相聚合方法，包括使烯烃和均相催化剂或催化剂体系在干聚合物的熔点和低于干聚合物熔点的80℃之间的温度下，在存在 氟化烃。 本发明还涉及一种生产聚乙烯的方法，其包括使均相催化剂或催化剂体系与乙烯和0至40重量％的一种或多种C 3至C 40烯烃共聚单体在氟化烃和任选的烃 溶剂在低于反应介质熔点的温度下进行。 本发明还涉及生产聚丙烯的方法，包括在氟化烃存在下使均相催化剂或催化剂体系与丙烯和0至50重量％的一种或多种乙烯和C 4至C 40烯烃共聚单体接触， 任选的烃溶剂在低于反应介质熔点的温度下。