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1. 发明授权

US06630538B1 Polypropylene thermoplastic elastomer compositions having improved processing properties and physical property balance 有权
标题翻译：具有改进的加工性能和物理性能平衡的聚丙烯热塑性弹性体组合物
公开(公告)号：US06630538B1
公开(公告)日：2003-10-07
申请号：US09674654
申请日：2001-08-31
申请人： Maria D. Ellul , Prasadarao Meka , Kang-Bo Wang , Yu-Feng Wang
发明人： Maria D. Ellul , Prasadarao Meka , Kang-Bo Wang , Yu-Feng Wang
IPC分类号： C08L2316
CPC分类号： C08L23/10 , C08L21/00 , C08L23/16 , C08L2666/04
摘要： Thermoplastic elastomer compositions having improved processabillity while maintaining good physical properties are prepared from a mixture of olefinic rubber and a polypropylene composition having a melt flow rate in the range of from about 0.5 to about 5 dg/min. and a molecular weight distribution Mw/Mn of greater than 5.5 up to about 20. The rubber component of the mixture may be at least partially cured by dynamic vulcanization.
摘要翻译：熔体流动速率在约0.5至约5dg / min范围内由烯烃橡胶和聚丙烯组合物的混合物制备而具有改进的加工性，同时保持良好的物理性质的热塑性弹性体组合物。并且分子量分布Mw / Mn大于5.5至约20.混合物的橡胶组分可以通过动态硫化至少部分固化。

2. 发明授权

US08198373B2 Plastic toughened plastics 有权
标题翻译：塑料增韧塑料
公开(公告)号：US08198373B2
公开(公告)日：2012-06-12
申请号：US11541768
申请日：2006-10-02
申请人： Patrick Brant , Bryan R. Chapman , Narayanaswami Raja Dharmarajan , Prasadarao Meka
发明人： Patrick Brant , Bryan R. Chapman , Narayanaswami Raja Dharmarajan , Prasadarao Meka
IPC分类号： C08L23/04 , C08L23/10
CPC分类号： C08L23/12 , C08L23/06 , C08L23/08 , C08L23/0807 , C08L23/14 , C08L23/16 , C08L2205/03 , C08L2205/035 , C08L2308/00 , C08L2310/00 , C08L2314/06 , C08L2666/02
摘要： Plastic toughened plastics include a polymer composition having a polypropylene component and a second polymer component. The polypropylene component is present in an amount from about 50 to about 95 weight percent based on the total weight of the blend. The second polymer component is present in an amount from about 5 to about 50 weight percent based on the total weight of the blend, is a BOCD or BCD blend of at least two ssPE components, and has an overall density greater than about 0.90 g/cm3. Optionally, the plastic toughened plastics include one or more third polymer component selected from propylene-olefin elastomers and ethylene-propylene rubbers, which are present in an amount from about 1 to about 50 weight percent, based on the total weight of the blend.
摘要翻译：塑料增韧塑料包括具有聚丙烯组分和第二聚合物组分的聚合物组合物。基于共混物的总重量，聚丙烯组分的存在量为约50至约95重量％。基于共混物的总重量，第二聚合物组分的存在量为约5至约50重量％，是至少两个ssPE组分的BOCD或BCD共混物，并且其总密度大于约0.90g / cm3。任选地，塑性增韧塑料包括一种或多种选自丙烯 - 烯烃弹性体和乙烯 - 丙烯橡胶的第三聚合物组分，其量为基于共混物总重量的约1至约50重量％。

3. 发明授权

US07105603B2 High impact polymer compositions 失效
标题翻译：高抗冲聚合物组成
公开(公告)号：US07105603B2
公开(公告)日：2006-09-12
申请号：US10896549
申请日：2004-07-21
申请人： Narayanaswami Raja Dharmarajan , Michael Glenn Williams , Sudhin Datta , Prasadarao Meka , Srivatsan Srinivas
发明人： Narayanaswami Raja Dharmarajan , Michael Glenn Williams , Sudhin Datta , Prasadarao Meka , Srivatsan Srinivas
IPC分类号： C08F8/08 , C08L23/00 , C08L23/04
CPC分类号： C08L23/10 , C08L23/0815 , C08L23/14 , C08L23/142 , C08L23/16 , C08L53/00 , C08L2205/02 , C08L2205/03 , C08L2205/035 , C08L2205/08 , C08L2207/02 , C08L2666/06 , C08L2666/04 , C08L2666/24 , C08L2666/02
摘要： Disclosed herein are various compositions that have particular utility in automotive components, including compositions that include: (a) polypropylene having a melting point of 110° C. or more; (b) ethylene α-olefin polymer in which the α-olefin is C4 or higher; and (c) propylene polymer, having 60 wt % or more units derived from propylene, including isotactically arranged propylene derived sequences and a heat of fusion less than 45 J/g.
摘要翻译：本文公开了在汽车部件中具有特别实用性的各种组合物，包括组合物，其包括：（a）熔点为110℃以上的聚丙烯; （b）α-烯烃为C 4以上的乙烯-α-烯烃聚合物; 和（c）丙烯聚合物，其具有衍生自丙烯的60重量％或更多的单元，包括等规排列的丙烯衍生的序列和小于45J / g的熔化热。

4. 发明申请

US20100124864A1 Extensible Nonwoven Facing Layer for Elastic Multilayer Fabrics 有权
标题翻译：用于弹性多层织物的可扩展非织造面层
公开(公告)号：US20100124864A1
公开(公告)日：2010-05-20
申请号：US12271526
申请日：2008-11-14
申请人： Raja N. Dharmarajan , Prasadarao Meka
发明人： Raja N. Dharmarajan , Prasadarao Meka
IPC分类号： D04H3/16 , B32B37/06
CPC分类号： B32B37/144 , B32B2305/18 , B32B2307/51 , Y10T156/10 , Y10T442/60 , Y10T442/602 , Y10T442/659 , Y10T442/668 , Y10T442/681 , Y10T442/697
摘要： Disclosed is a multilayer fabric and a method of forming a multilayer fabric comprising one or more facing layers and one or more elastic layers adjacent to or sandwiched there between, the one or more facing layers comprising a polypropylene; and a propylene-α-olefin elastomer having and an MFR of less than 80 dg/min; wherein the facing layer is extensible and non-elastic and has a Handle-O-Meter value of less than 60 g and a 1% Secant Flexural Modulus of less than 1000 MPa. In certain embodiments, polyethylenes are absent from the facing layer(s).
摘要翻译：公开了一种多层织物和形成多层织物的方法，所述多层织物包括一个或多个面层和一个或多个邻近或夹在其间的弹性层，所述一层或多层面层包含聚丙烯; 和具有小于80dg / min的MFR的丙烯-α-烯烃弹性体; 其中所述面层是可伸长和非弹性的，并且具有小于60g的Handle-O-Meter值和小于1000MPa的1％正割弯曲模量。在某些实施方案中，聚对苯乙烯在面层中不存在。

5. 发明申请

US20080045675A1 Reactor Systems and Polymerization Processes Using Multi-Zone Circulating Reactors 有权
标题翻译：使用多区循环反应器的反应器系统和聚合方法
公开(公告)号：US20080045675A1
公开(公告)日：2008-02-21
申请号：US11632199
申请日：2004-08-23
申请人： Kevin Larson , Lawrence Smith , Randell Dickey , Robert Li , Prasadarao Meka
发明人： Kevin Larson , Lawrence Smith , Randell Dickey , Robert Li , Prasadarao Meka
IPC分类号： B01J8/18 , B01J19/00 , C08F2/01
CPC分类号： B01J19/2465 , B01J8/003 , B01J8/388 , B01J2219/00006 , B01J2219/00038 , B01J2219/0004 , B01J2219/00184 , C08F10/00 , C08F110/06 , C08F210/06 , Y10S526/918 , C08F2/001 , C08F2/34 , C08F2/01 , C08F210/16
摘要： The invention relates to the production of polymers using polymerization processes and reactor systems including a plurality of multi-zone circulating reactors. In particular, the invention relates to the production of impact copolymers using reactor systems including a plurality of multi-zone circulating reactors.
摘要翻译：本发明涉及使用聚合方法生产聚合物和包括多个多区循环反应器的反应器系统。特别地，本发明涉及使用包括多个多区循环反应器的反应器系统制备抗冲共聚物。

6. 发明授权

US07217766B2 Hetero phase polymer compositions 有权
公开(公告)号：US07217766B2
公开(公告)日：2007-05-15
申请号：US10856545
申请日：2004-05-28
申请人： Sudhin Datta , Narayanaswami Raja Dharmarajan , Prasadarao Meka
发明人： Sudhin Datta , Narayanaswami Raja Dharmarajan , Prasadarao Meka
IPC分类号： C08F8/00 , C08L23/00 , C08L23/04
CPC分类号： C08L23/10 , C08L23/0815 , C08L23/14 , C08L23/142 , C08L23/16 , C08L53/00 , C08L2205/02 , C08L2205/03 , C08L2205/035 , C08L2205/08 , C08L2207/02 , C08L2666/06 , C08L2666/24 , C08L2666/02 , C08L2666/04
摘要： Hetero phase polymer compositions are described. The compositions may have polypropylene component, a modifier component and a compatibilizer component. The modifier component may in some embodiments be an ethylene α-olefin copolymer with a density ≧0.905 g/cm3. In other embodiments the modifier component may be a blend of a copolymer with a density of ≧0.905 g/cm3, and an ethylene α-olefin copolymer of lower, more traditional density.

7. 发明申请

US20050245698A1 Multi-donor catalyst system for the polymerization of olefins 有权
标题翻译：用于烯烃聚合的多供体催化剂体系
公开(公告)号：US20050245698A1
公开(公告)日：2005-11-03
申请号：US10835337
申请日：2004-04-29
申请人： Robert Li , Kevin Lawson , Aspy Mehta , Prasadarao Meka
发明人： Robert Li , Kevin Lawson , Aspy Mehta , Prasadarao Meka
IPC分类号： C08F110/06 , C08F4/44 , B01J31/00
CPC分类号： C08F110/06 , C08F4/6465 , C08F4/6543
摘要： The present invention provides catalyst systems including a Ziegler-Natta or Ziegler-Natta-type catalyst in combination with a mixture of certain electron donors.
摘要翻译：本发明提供催化剂体系，其包括与某些电子给体的混合物组合的齐格勒 - 纳塔或齐格勒 - 纳塔型催化剂。

8. 发明申请

US20050054781A1 High impact polymer compositions 失效
标题翻译：高抗冲聚合物组成
公开(公告)号：US20050054781A1
公开(公告)日：2005-03-10
申请号：US10896549
申请日：2004-07-21
申请人： Narayanaswami Dharmarajan , Michael Williams , Sudhin Datta , Prasadarao Meka , Srivatsan Srinivas
发明人： Narayanaswami Dharmarajan , Michael Williams , Sudhin Datta , Prasadarao Meka , Srivatsan Srinivas
IPC分类号： C08L23/08 , C08L23/10 , C08L23/14 , C08L23/16 , C08L53/00
CPC分类号： C08L23/10 , C08L23/0815 , C08L23/14 , C08L23/142 , C08L23/16 , C08L53/00 , C08L2205/02 , C08L2205/03 , C08L2205/035 , C08L2205/08 , C08L2207/02 , C08L2666/06 , C08L2666/04 , C08L2666/24 , C08L2666/02
摘要： Disclosed herein are various compositions that have particular utility in automotive components, including compositions that include: (a) polypropylene having a melting point of 110° C. or more; (b) ethylene a-olefin polymer in which the α-olefin is C4 or higher; and (c) propylene polymer, having 60 wt % or more units derived from propylene, including isotactically arranged propylene derived sequences and a heat of fusion less than 45 J/g.
摘要翻译：本文公开了在汽车部件中具有特别实用性的各种组合物，包括组合物，其包括：（a）熔点为110℃以上的聚丙烯; （b）α-烯烃为C4以上的乙烯-α-烯烃聚合物; 和（c）丙烯聚合物，其具有衍生自丙烯的60重量％或更多的单元，包括等规排列的丙烯衍生的序列和小于45J / g的熔化热。

9. 发明申请

US20050009991A1 Impact resistant compositions 审中-公开
标题翻译：耐冲击组合物
公开(公告)号：US20050009991A1
公开(公告)日：2005-01-13
申请号：US10493953
申请日：2002-11-05
申请人： Prasadarao Meka , Jeffrey Valentage , Paul Burke
发明人： Prasadarao Meka , Jeffrey Valentage , Paul Burke
IPC分类号： C08L101/00 , C08L23/08 , C08L23/10 , C08L23/14 , C08L23/16 , C08L23/00 , C08L23/04
CPC分类号： C08L23/10 , C08L23/0815 , C08L23/142 , C08L23/16 , C08L2314/06 , C08L2666/06
摘要： Embodiments of the present invention include a composition formed from (a) 50 wt % to 85 wt % of at least one impact copolymer relative to the total weight of the composition, the impact copolymer comprising up to 25 wt % of an ethylene-propylene rubber, the rubber having a content of ethylene-derived units of from 40 wt % to 60 wt % relative to the rubber; and (b) 50 wt % to 15 wt % of at least one plastomer relative to the total weight of the composition, wherein the plastomer is a copolymer of ethylene derived units and at least one of C3 to C8 α-olefin derived units from 5 wt % to 30 wt % of the plastomer. The composition is useful for automotive components, especially interior automotive components such as airbag covers, the composition having a secant flexural modulus of at least 50 kpsi (345 MPa) and 100% ductility down to −40° C.
摘要翻译：本发明的实施方案包括由（a）50重量％至85重量％的至少一种抗冲共聚物相对于组合物的总重量形成的组合物，所述抗冲共聚物包含至多25重量％的乙烯 - 丙烯橡胶，相对于橡胶，乙烯衍生单元的含量为40重量％〜60重量％的橡胶; 和（b）50重量％至15重量％的至少一种塑性体相对于组合物的总重量，其中塑性体是乙烯衍生的单元和来自5的C3-C8α-烯烃衍生单元中的至少一种的共聚物 wt％至30wt％的塑性体。组合物可用于汽车部件，特别是室内汽车部件，例如气囊罩，该组合物具有至少50kpsi（345MPa）的正割弯曲模量和低至-40℃的100％延展性。

10. 发明授权

US08664129B2 Extensible nonwoven facing layer for elastic multilayer fabrics 有权
标题翻译：弹性多层织物可伸缩无纺布面层
公开(公告)号：US08664129B2
公开(公告)日：2014-03-04
申请号：US12271526
申请日：2008-11-14
申请人： Narayanaswami Raja Dharmarajan , Prasadarao Meka
发明人： Narayanaswami Raja Dharmarajan , Prasadarao Meka
IPC分类号： B32B5/26 , D04H13/00 , D04H5/06 , B29C65/00
CPC分类号： B32B37/144 , B32B2305/18 , B32B2307/51 , Y10T156/10 , Y10T442/60 , Y10T442/602 , Y10T442/659 , Y10T442/668 , Y10T442/681 , Y10T442/697
摘要： Disclosed is a multilayer fabric and a method of forming a multilayer fabric comprising one or more facing layers and one or more elastic layers adjacent to or sandwiched there between, the one or more facing layers comprising a polypropylene; and a propylene-α-olefin elastomer having and an MFR of less than 80 dg/min; wherein the facing layer is extensible and non-elastic and has a Handle-O-Meter value of less than 60 g and a 1% Secant Flexural Modulus of less than 1000 MPa. In certain embodiments, polyethylenes are absent from the facing layer(s).
摘要翻译：公开了一种多层织物和形成多层织物的方法，所述多层织物包括一个或多个面层和一个或多个邻近或夹在其间的弹性层，所述一层或多层面层包含聚丙烯; 和具有小于80dg / min的MFR的丙烯-α-烯烃弹性体; 其中所述面层是可伸长和非弹性的，并且具有小于60g的Handle-O-Meter值和小于1000MPa的1％正割弯曲模量。在某些实施方案中，聚对苯乙烯在面层中不存在。

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