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    High free shrink, high modulus, low shrink tension film with elastic recovery
    1.
    发明授权
    High free shrink, high modulus, low shrink tension film with elastic recovery 有权
    高自由收缩，高模量，低收缩张力膜具有弹性回复

    公开(公告)号：US06872462B2

    公开(公告)日：2005-03-29

    申请号：US10634294

    申请日：2003-08-05

    申请人： William P. Roberts ,  Ronald D. Moffitt ,  Richard M. Dayrit ,  Blaine C. Childress ,  William J. Gauthier ,  W. Scott Lambert

    发明人： William P. Roberts ,  Ronald D. Moffitt ,  Richard M. Dayrit ,  Blaine C. Childress ,  William J. Gauthier ,  W. Scott Lambert

    IPC分类号： B32B27/32 ,  B29C61/06 ,  B29K23/00 ,  B29K45/00 ,  B29K105/02 ,  B29L7/00 ,  B29L9/00 ,  B32B27/08

    CPC分类号： B32B27/32 ,  Y10T428/2495 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/31928

    摘要： A film includes a core layer including a homogeneous random alpha-olefin/cyclic olefin copolymer; and first and second outer layers including an olefinic polymer; the film having Young's modulus between about 50,000 and about 200,000 psi, free shrink between about 10% and about 80% at 240° F., and shrink tension of less than about 400 psi, or a shrink force of between about 20 and about 180 grams, at 240° F. First and second intermediate layers including an ethylene copolymer having a melt index less than about 2 g/10 minutes can be optionally included. Alternatively, a film includes a core layer including an ethylene copolymer having melt index less than about 2 g/10 minutes; first and second intermediate layers including a homogeneous random alpha-olefin/cyclic olefin copolymer; and first and second outer layers including an olefinic polymer; the film having properties as disclosed above.

    摘要翻译： 膜包括包含均相无规α-烯烃/环烯烃共聚物的芯层; 第一和第二外层包括烯属聚合物; 该膜的杨氏模量在约50,000至约200,000psi之间，240°F时自由收缩约10％至约80％，收缩张力小于约400psi，收缩力在约20至约180之间 可以任选地包括包含熔体指数小于约2g / 10分钟的乙烯共聚物的第一和第二中间层。 或者，膜包括芯层，其包含熔体指数小于约2g / 10分钟的乙烯共聚物; 包括均相无规α-烯烃/环烯烃共聚物的第一和第二中间层; 第一和第二外层包括烯属聚合物; 该膜具有如上所述的性质。

    Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins
    2.
    发明授权
    Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins 有权
    用于形成原位多相共聚物和/或改变二甲苯可溶物的多组分催化剂体系和聚合方法聚烯烃含量

    公开(公告)号：US08759243B2

    公开(公告)日：2014-06-24

    申请号：US13180672

    申请日：2011-07-12

    申请人： Tim Coffy ,  Michel Daumerie ,  Kenneth Blackmon ,  William J. Gauthier ,  Jun Tian ,  Joseph L. Thorman

    发明人： Tim Coffy ,  Michel Daumerie ,  Kenneth Blackmon ,  William J. Gauthier ,  Jun Tian ,  Joseph L. Thorman

    IPC分类号： C08F4/653 ,  C08F4/6592 ,  C08F210/06

    CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F210/06 ,  Y10S526/943 ,  C08F4/65904 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/05

    摘要： Embodiments of the invention generally include multi-component catalyst systems, polymerization processes and heterophasic copolymers formed by the processes. The multi-component catalyst system generally includes a first catalyst component selected from Ziegler-Natta catalyst systems including a diether internal electron donor and a metallocene catalyst represented by the general formula XCpACpBMAn, wherein X is a structural bridge, CpA and CpB each denote a cyclopentadienyl group or derivatives thereof, each being the same or different and which may be either substituted or unsubstituted, M is a transition metal and A is an alkyl, hydrocarbyl or halogen group and n is an integer between 0 and 4. The multi-component catalyst system further includes a second catalyst component generally represented by the formula XCpACpBMAn, wherein X is a structural bridge, CpA and CpB each denote a cyclopentadienyl group or derivatives thereof, each being the same or different and which may be either substituted or unsubstituted, M is a transition metal and A is an alkyl, hydrocarbyl or halogen group and n is an integer between 0 and 4 and wherein the second catalyst component exhibits a higher ethylene response than the first catalyst component.

    摘要翻译： 本发明的实施方案通常包括通过该方法形成的多组分催化剂体系，聚合方法和多相共聚物。 多组分催化剂体系通常包括选自齐格勒 - 纳塔催化剂体系的第一催化剂组分，其包括二醚内电子给体和由通式XCpACpBMAn表示的茂金属催化剂，其中X是结构桥，CpA和CpB各自表示环戊二烯基 基团或其衍生物，各自相同或不同，并且可以是取代或未取代的，M是过渡金属，A是烷基，烃基或卤素基团，n是0和4之间的整数。多组分催化剂 系统还包括通常由式XCpACpBMAn表示的第二催化剂组分，其中X是结构桥，CpA和CpB各自表示环戊二烯基或其衍生物，各自相同或不同，并且可以是取代或未取代的，M是 过渡金属，A是烷基，烃基或卤素基团，n是0至4之间的整数， nd催化剂组分表现出比第一催化剂组分更高的乙烯响应。

    Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins
    5.
    发明授权
    Multi-component catalyst systems and polymerization processes for forming in-situ heterophasic copolymers and/or varying the xylene solubles content of polyolefins 有权
    用于形成原位多相共聚物和/或改变二甲苯可溶物的多组分催化剂体系和聚合方法聚烯烃含量

    公开(公告)号：US08003739B2

    公开(公告)日：2011-08-23

    申请号：US11975014

    申请日：2007-10-17

    申请人： Tim J. Coffy ,  Michel Daumerie ,  Kenneth P. Blackmon ,  William J. Gauthier ,  Jun Tian ,  Joseph L. Thorman

    发明人： Tim J. Coffy ,  Michel Daumerie ,  Kenneth P. Blackmon ,  William J. Gauthier ,  Jun Tian ,  Joseph L. Thorman

    IPC分类号： C08F4/653 ,  C08F4/6592 ,  C08F210/02 ,  C08F210/06 ,  B01J31/22

    CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F210/06 ,  Y10S526/943 ,  C08F4/65904 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/05

    摘要： Embodiments of the invention generally include multi-component catalyst systems, polymerization processes and heterophasic copolymers formed by the processes. The multi-component catalyst system generally includes a first catalyst component selected from Ziegler-Natta catalyst systems including a diether internal electron donor and a metallocene catalyst represented by the general formula XCpACpBMAn, wherein X is a structural bridge, CpA and CpB each denote a cyclopentadienyl group or derivatives thereof, each being the same or different and which may be either substituted or unsubstituted, M is a transition metal and A is an alkyl, hydrocarbyl or halogen group and n is an integer between 0 and 4. The multi-component catalyst system further includes a second catalyst component generally represented by the formula XCpACpBMAn, wherein X is a structural bridge, CpA and CpB each denote a cyclopentadienyl group or derivatives thereof, each being the same or different and which may be either substituted or unsubstituted, M is a transition metal and A is an alkyl, hydrocarbyl or halogen group and n is an integer between 0 and 4 and wherein the second catalyst component exhibits a higher ethylene response than the first catalyst component.

    摘要翻译： 本发明的实施方案通常包括通过该方法形成的多组分催化剂体系，聚合方法和多相共聚物。 多组分催化剂体系通常包括选自齐格勒 - 纳塔催化剂体系的第一催化剂组分，其包括二醚内电子给体和由通式XCpACpBMAn表示的茂金属催化剂，其中X是结构桥，CpA和CpB各自表示环戊二烯基 基团或其衍生物，各自相同或不同，并且可以是取代或未取代的，M是过渡金属，A是烷基，烃基或卤素基团，n是0和4之间的整数。多组分催化剂 系统还包括通常由式XCpACpBMAn表示的第二催化剂组分，其中X是结构桥，CpA和CpB各自表示环戊二烯基或其衍生物，各自相同或不同，并且可以是取代或未取代的，M是 过渡金属，A是烷基，烃基或卤素基团，n是0至4之间的整数， nd催化剂组分表现出比第一催化剂组分更高的乙烯响应。

    Supported metallocene catalysts
    8.
    发明授权
    Supported metallocene catalysts 有权
    负载金属茂催化剂

    公开(公告)号：US06855783B2

    公开(公告)日：2005-02-15

    申请号：US10412372

    申请日：2003-04-11

    申请人： William J. Gauthier ,  Margaret Kerr ,  Jun Tian ,  David J. Rauscher ,  Constance Hayworth Patrick ,  Shady Henry

    发明人： William J. Gauthier ,  Margaret Kerr ,  Jun Tian ,  David J. Rauscher ,  Constance Hayworth Patrick ,  Shady Henry

    IPC分类号： B01J31/00 ,  B01J37/00 ,  C07F9/00 ,  C07F11/00 ,  C07F17/00 ,  C08F4/02 ,  C08F4/42 ,  C08F4/44 ,  C08F4/60 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F110/02 ,  C08F110/06

    CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65927 ,  C08F110/06 ,  Y10S526/943 ,  C08F4/65916 ,  C08F2500/18 ,  C08F2500/03 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/15

    摘要： Supported metallocene catalysts and processes for the use of such catalysts in isotactic polymerization of a C3+ ethylenically unsaturated monomer. The supported catalysts comprise a particulate silica support, an alkyl alumoxane component, and a metallocene catalyst component. The support has an average particle size of 10-50 microns, a surface area of 200-800 m2/g and a pore volume of 0.9-2.1 milliliters per gram (ml/g). Alumoxane is incorporated onto the support to provide a weight ratio of alumoxane to silica of at least 0.8:1. The metallocene is present in an amount of at least 1 weight percent of the silica and the alumoxane and is of the formula B(CpRaRb)(Fl′)MQ2 in which Fl′ is an unsubstituted fluorenyl group or a fluorenyl group symmetrically substituted at the 3 and 6 positions, B is a structural bridge between Cp and Fl′, Ra is a bulky substituent in a distal position, Rb is a less bulky substituent proximal to the bridge and non-vicinal to the distal substituent, M is a Group IVB transition metal or vanadium, and Q is a halogen or a Cl-C4 alkyl group.

    摘要翻译： 负载型金属茂催化剂和在C3 +烯属不饱和单体的全同立构聚合中使用这种催化剂的方法。 载体催化剂包括颗粒二氧化硅载体，烷基铝氧烷组分和茂金属催化剂组分。 载体的平均粒度为10-50微米，表面积为200-800平方米/克，孔体积为0.9-2.1毫升/克（毫升/克）。 将Alumoxane加入到载体上以提供至少0.8:1的铝氧烷与二氧化硅的重量比。 金属茂的存在量为二氧化硅和铝氧烷的至少1重量％，并且具有式B（CpRaRb）（F1'）MQ2，其中F1'是未取代的芴基或在该位置上对称取代的芴基 3和6位，B是Cp和Fl'之间的结构桥，Ra是远端位置的大体积取代基，Rb是靠近桥的较不庞大的取代基，而与远端取代基不相邻，M是IVB族 过渡金属或钒，Q是卤素或C 1 -C 4烷基。