公开(公告)号：US20120091621A1

公开(公告)日：2012-04-19

申请号：US13338304

申请日：2011-12-28

申请人： Tim Coffy ,  Steven Gray ,  David Knoeppel ,  Cyril Chevillard ,  David Rauscher ,  Carlos Corleto ,  Gerhard Guenther ,  Brian B. Cole ,  Stan Biesert ,  Vincent Barre ,  Ruby L. Curtis ,  Son Nguyen ,  Danielle Childress

发明人： Tim Coffy ,  Steven Gray ,  David Knoeppel ,  Cyril Chevillard ,  David Rauscher ,  Carlos Corleto ,  Gerhard Guenther ,  Brian B. Cole ,  Stan Biesert ,  Vincent Barre ,  Ruby L. Curtis ,  Son Nguyen ,  Danielle Childress

IPC分类号： B29C47/00 ,  C08F6/00 ,  C08F10/02

CPC分类号： C08F10/00 ,  B29C47/92 ,  B29C2947/922 ,  B29C2947/924 ,  B29C2947/92514 ,  B29C2947/92542 ,  B29C2947/92695 ,  B29C2947/92714 ,  B29C2947/92895 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F2400/02 ,  C08F4/6567 ,  C08F4/6557 ,  C08F2/001 ,  C08F2500/07 ,  C08F2500/05 ,  C08F2500/12 ,  C08F210/08

摘要： Disclosed is a bimodal Ziegler-Natta catalyzed polyethylene, having a density of from 0.930 glee to 0.960 glee, and a molecular weight distribution of from 10 to 25, wherein an article formed therefrom has a PENT of at least 1500. Also disclosed is a method of preparing a tubular article including obtaining a bimodal polyethylene having a density of from 0.930 glee to 0.960 Wee and a molecular weight distribution of from 10 to 25, and processing the polyethylene under conditions where a specific energy input (SET) is less than 300 kW.h/ton, and wherein the article has a PENT of at least 1500. Further disclosed is a method for controlling the degradation of polyethylene including polymerizing ethylene monomer, recovering polyethylene, extruding the polyethylene, and controlling the degradation of polyethylene by measuring the SEI to the extruder and adjusting throughput and/or gear suction pressure keep SEI less than 300 kW.h/ton, and forming an article.

摘要翻译： 公开了一种双峰型齐格勒 - 纳塔催化聚乙烯，其密度为0.930gle-0.960glee，分子量分布为10-25，其中由其形成的制品具有至少为1500的PENT。还公开了一种方法 制备管状制品，包括获得密度为0.930glee至0.960ee的分子量分布为10至25的双峰聚乙烯，并且在比能量输入（SET）小于300kW的条件下处理聚乙烯 h / ton，并且其中制品具有至少1500的PENT。还公开了一种控制聚乙烯降解的方法，包括聚合乙烯单体，回收聚乙烯，挤出聚乙烯，并通过测量SEI来控制聚乙烯的降解 到挤出机并调节产量和/或齿轮吸入压力使SEI小于300kW.h / ton，并形成物品。

公开(公告)号：US08063139B2

公开(公告)日：2011-11-22

申请号：US12357905

申请日：2009-01-22

申请人： David Knoeppel

发明人： David Knoeppel

IPC分类号： C08L9/00 ,  C08F12/08

CPC分类号： C08F279/02 ,  C08K5/098 ,  C08F212/08 ,  C08L51/04

摘要： A method comprising preparing a reaction mixture comprising a styrene monomer, an antioxidant, and a reaction rate improving additive, contacting the reaction mixture with an antioxidant reactive compound, and placing the reaction mixture under conditions suitable for polymerization of the styrene monomer to a styrenic polymer wherein the polymerization occurs at an overall reaction rate that is increased by equal to or less than 20% when compared to an otherwise similar polymerization process carried out in the absence of the reaction rate improving additive A method comprising preparing a reaction mixture comprising a styrene monomer, an elastomer, an antioxidant, a sodium or calcium salt of an organic acid, and an initiator; and placing the reaction mixture under conditions suitable for polymerization of the styrene monomer to a styrenic polymer, wherein the sodium or calcium salt of an organic acid protects the initiator such that the polymerization is carried out at a reaction rate greater than would otherwise be the rate in the absence of the sodium or calcium salt of an organic acid.

摘要翻译： 一种包括制备包含苯乙烯单体，抗氧化剂和反应速率改进添加剂的反应混合物的方法，使反应混合物与抗氧化反应性化合物接触，并将反应混合物置于适合于将苯乙烯单体聚合成苯乙烯聚合物的条件下 其中当在不存在反应速率改进添加剂A的情况下进行相似的聚合方法时，聚合反应的总反应速率增加等于或小于20％。该方法包括制备包含苯乙烯单体的反应混合物 ，有机酸的弹性体，抗氧化剂，钠或钙盐和引发剂; 并将反应混合物置于适合于将苯乙烯单体聚合成苯乙烯聚合物的条件下，其中有机酸的钠盐或钙盐保护引发剂，使得聚合反应速率大于否则为反应速率 在没有有机酸的钠盐或钙盐的情况下。

公开(公告)号：US20110172379A1

公开(公告)日：2011-07-14

申请号：US12685198

申请日：2010-01-11

申请人： Kayo Vizzini ,  David Knoeppel ,  Lei Zhang

发明人： Kayo Vizzini ,  David Knoeppel ,  Lei Zhang

IPC分类号： C08F10/02 ,  C08F4/60

CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F4/6548 ,  C08F4/6555 ,  C08F2500/07 ,  C08F2500/26

摘要： Processes of forming catalyst systems, catalyst systems and polymers formed therefrom are described herein. The processes generally include providing a first compound including a magnesium dialkoxide, contacting the first compound with a second compound to form a solution of reaction product “A”, wherein the second compound is generally represented by the formula: Ti(OR1)4; wherein R1 is selected from C1 to C10 linear to branched alkyls, contacting the solution of reaction product “A” with a first metal halide to form a solid reaction product “B”, contacting solid reaction product “B” with a second metal halide to form reaction product “C” and contacting reaction product “C” with reducing agent to form a catalyst component.

摘要翻译： 本文描述了形成催化剂体系，催化剂体系和由其形成的聚合物的方法。 所述方法通常包括提供包含二烷氧基镁的第一化合物，使第一化合物与第二化合物接触以形成反应产物“A”的溶液，其中第二化合物通常由下式表示：Ti（OR 1）4; 其中R1选自C1至C10直链至支链烷基，使反应产物“A”的溶液与第一金属卤化物接触以形成固体反应产物“B”，使固体反应产物“B”与第二金属卤化物接触 形成反应产物“C”并使反应产物“C”与还原剂接触以形成催化剂组分。

公开(公告)号：US20100210797A1

公开(公告)日：2010-08-19

申请号：US12372224

申请日：2009-02-17

申请人： Steven Gray ,  David Knoeppel ,  Tim Coffy ,  Kayo Vizzini ,  Cyril Chevillard ,  Shannon Hoesing

发明人： Steven Gray ,  David Knoeppel ,  Tim Coffy ,  Kayo Vizzini ,  Cyril Chevillard ,  Shannon Hoesing

IPC分类号： C08F4/42 ,  C08F110/02

CPC分类号： C08F110/02 ,  C08J5/18 ,  C08J2323/06 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/26 ,  C08F4/654

摘要： Blown films and processes of forming the same are described herein. The blown films generally include high density polyethylene exhibiting a molecular weight distribution of from about 1.5 to about 8.0 and a density of from 0.94 g/cc to less than 0.96 g/cc.

摘要翻译： 吹塑膜及其形成方法在本文中描述。 吹塑膜通常包括显示分子量分布为约1.5至约8.0且密度为0.94g / cc至小于0.96g / cc的高密度聚乙烯。

公开(公告)号：US20090203856A1

公开(公告)日：2009-08-13

申请号：US12069190

申请日：2008-02-07

申请人： Kayo Vizzini ,  David Knoeppel

发明人： Kayo Vizzini ,  David Knoeppel

IPC分类号： C08F4/642 ,  B01J37/00

CPC分类号： C08F10/02 ,  C08F110/02 ,  C08F4/6546 ,  C08F4/6557 ,  C08F2500/12 ,  C08F2500/24 ,  C08F2500/18 ,  C08F2500/19 ,  C08F2500/07 ,  C08F2500/04 ,  C08F4/6548

摘要： The present invention relates generally to catalysts, to methods of making catalysts, to methods of using catalysts, to methods of polymerizing, and to polymers made with such catalysts. More particularly, the present invention relates to polyolefin catalysts and to Ziegler-Natta catalysts, to methods of making such catalysts, to methods of using such catalysts, to polyolefin polymerization, and to polyolefins.

摘要翻译： 本发明一般涉及催化剂，制备催化剂的方法，使用催化剂的方法，聚合方法以及用这种催化剂制备的聚合物。 更具体地，本发明涉及聚烯烃催化剂和齐格勒 - 纳塔催化剂，制备这种催化剂的方法，使用这种催化剂的方法，聚烯烃聚合和聚烯烃。

公开(公告)号：US20080051538A1

公开(公告)日：2008-02-28

申请号：US11774255

申请日：2007-07-06

申请人： TIM COFFY ,  Steven Gray ,  David Knoeppel ,  Cyril Chevillard ,  David Rauscher ,  Carlos Corleto ,  Gerhard Guenther ,  Brian Cole ,  Stan Beisert ,  Vincent Barre ,  Ruby Curtis ,  Son Nguyen ,  Danielle Childress

发明人： TIM COFFY ,  Steven Gray ,  David Knoeppel ,  Cyril Chevillard ,  David Rauscher ,  Carlos Corleto ,  Gerhard Guenther ,  Brian Cole ,  Stan Beisert ,  Vincent Barre ,  Ruby Curtis ,  Son Nguyen ,  Danielle Childress

IPC分类号： C08F4/52

CPC分类号： C08F10/00 ,  B29C48/92 ,  B29C2948/922 ,  B29C2948/924 ,  B29C2948/92514 ,  B29C2948/92542 ,  B29C2948/92695 ,  B29C2948/92714 ,  B29C2948/92895 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F2400/02 ,  C08F4/6567 ,  C08F4/6557 ,  C08F2/001 ,  C08F2500/07 ,  C08F2500/05 ,  C08F2500/12 ,  C08F210/08

摘要： Disclosed is a bimodal Ziegler-Natta catalyzed polyethylene, having a density of from 0.930 g/cc to 0.960 g/cc, and a molecular weight distribution of from 10 to 25, wherein an article formed therefrom has a PENT of at least 1500. Also disclosed is a method of preparing a tubular article including obtaining a bimodal polyethylene having a density of from 0.930 g/cc to 0.960 g/cc and a molecular weight distribution of from 10 to 25, and processing the polyethylene under conditions where a specific energy input (SEI) is less than 300 kW.h/ton, and wherein the article has a PENT of at least 1500. Further disclosed is a method for controlling the degradation of polyethylene including polymerizing ethylene monomer, recovering polyethylene, extruding the polyethylene, and controlling the degradation of polyethylene by measuring the SEI to the extruder and adjusting throughput and/or gear suction pressure keep SEI less than 300 kW.h/ton, and forming an article.

摘要翻译： 公开了一种双峰型齐格勒 - 纳塔催化聚乙烯，其密度为0.930g / cc至0.960g / cc，分子量分布为10至25，其中由其形成的制品具有至少1500的PENT。另外 公开了一种制备管状制品的方法，包括获得密度为0.930g / cc至0.960g / cc和分子量分布为10至25的双峰聚乙烯，并在特定能量输入条件下处理聚乙烯 （SEI）小于300kW.h / ton，并且其中该制品具有至少1500的PENT。还公开了一种控制聚乙烯降解的方法，包括聚合乙烯单体，回收聚乙烯，挤出聚乙烯和控制 通过测量SEI到挤出机并调节产量和/或齿轮吸入压力，聚乙烯的降解使SEI小于300kW.h / ton，形成物品。