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61. 发明授权

US07687426B2 Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process 失效
标题翻译：催化剂组成与单羧酸酯内给体和丙烯聚合过程
公开(公告)号：US07687426B2
公开(公告)日：2010-03-30
申请号：US12145061
申请日：2008-06-24
申请人： Jeffery S. Bradley , Linfeng Chen , William G. Sheard , Michael P. Zummallen
发明人： Jeffery S. Bradley , Linfeng Chen , William G. Sheard , Michael P. Zummallen
IPC分类号： C08F4/642
CPC分类号： B01J31/128 , B01J31/0212 , B01J31/04 , B01J31/143 , B01J2231/122 , B01J2531/22 , B01J2531/46 , C08F110/06 , C08F4/6494 , C08F4/651 , C08F4/6465 , C08F2500/12 , C08F2500/18
摘要： A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more monoesters of aromatic carboxylic acid internal electron donors; one or more aluminum containing cocatalyst; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 70 to 98 mol percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 30 to 2 mol percent of one or more alkoxysilane compounds containing one or more 5- or 6-membered cyclic groups optionally containing one or more Group 14, 15 or 16 heteroatoms.
摘要翻译：一种用于丙烯聚合的催化剂组合物，其包含一种或多种齐格勒 - 纳塔前催化剂组合物，其包含一种或多种过渡金属化合物和一种或多种芳族羧酸内电子给体的单酯; 一种或多种含铝助催化剂; 和两种或更多种不同选择性控制剂的混合物，所述SCA混合物包含70至98mol％的一种或多种一种或多种芳族单羧酸或其取代衍生物的酯，以及30至2mol％的一种或多种含有一个或多个任选含有一个或多个第14,15或16个杂原子的5或6元环基团的烷氧基硅烷化合物。

62. 发明授权

US07601664B2 Olefin polymerization catalyst compositions and method of preparation 有权
标题翻译：烯烃聚合催化剂组合物及其制备方法
公开(公告)号：US07601664B2
公开(公告)日：2009-10-13
申请号：US10903309
申请日：2004-07-30
申请人： Linfeng Chen , Richard A. Kemp , Thomas L. Nemzek
发明人： Linfeng Chen , Richard A. Kemp , Thomas L. Nemzek
IPC分类号： B01J31/00
CPC分类号： C08F10/00 , C08F4/6574 , C08F4/6548 , C08F4/685 , C08F4/658 , C08F4/6565
摘要： A method of making a solid procatalyst composition for use in a Ziegler-Natta olefin polymerization catalyst composition, said method comprising: contacting a precursor composition comprising a magnesium compound with a titanium halide compound and an internal electron donor in any order, in a suitable reaction medium to prepare a solid procatalyst composition, separating the solid procatalyst from the reaction medium, extracting the solid procatalyst composition by contacting the same one or more times with a liquid diluent at an elevated temperature for a period of time sufficient to prepare a solid procatalyst composition having a decreased titanium content compared to the titanium content of the solid procatalyst composition before said extraction, and recovering the solid procatalyst composition.
摘要翻译：一种制备用于齐格勒 - 纳塔烯烃聚合催化剂组合物的固体前催化剂组合物的方法，所述方法包括：在合适的反应中以任何顺序将包含镁化合物的前体组合物与卤化钛化合物和内部电子给体接触培养基以制备固体前催化剂组合物，将固体前催化剂从反应介质中分离出来，通过在高温下将液体稀释剂与液体稀释剂接触一段或者多次，将其固体原料催化剂组合物提取一段时间足以制备固体前催化剂组合物在所述萃取之前，与固体前催化剂组合物的钛含量相比，钛含量降低，并且回收固体前催化剂组合物。

63. 发明申请

US20090209706A1 High Melt Flow Propylene Impact Copolymer and Method 有权
标题翻译：高熔体流动丙烯冲击共聚物和方法
公开(公告)号：US20090209706A1
公开(公告)日：2009-08-20
申请号：US12390897
申请日：2009-02-23
申请人： William G. Sheard , Jeffrey D. Goad , Linfeng Chen
发明人： William G. Sheard , Jeffrey D. Goad , Linfeng Chen
IPC分类号： C08L23/16 , C08F2/01 , C08F210/06
CPC分类号： C08F10/02 , B01J8/1809 , B01J8/1872 , C08F10/06 , C08F110/06 , C08F210/06 , C08F297/083 , C08F2400/02 , C08L23/10 , C08L23/12 , C08L23/142 , C08L23/16 , C08L2207/02 , C08L2314/02 , C08F2/40 , C08F2/001 , C08F4/6465 , C08F2/34 , C08F4/6494 , C08F2/00 , C08L2666/06 , C08F2500/12 , C08F2500/24 , C08F2500/18 , C08F210/16
摘要： The present disclosure provides a polymerization process for the production of a high melt flow propylene impact copolymer. The process includes contacting an active propylene-based polymer having a melt flow rate greater than about 100 g/10 min with one or more olefins in a polymerization reactor to form the propylene impact copolymer with a melt flow rate greater than about 60 g/10 min. The production of the high melt flow propylene impact copolymer may occur in one or more polymerization reactors, utilizing standard hydrogen concentration, and no visbreaking.
摘要翻译：本公开内容提供了用于生产高熔体流动丙烯抗冲共聚物的聚合方法。该方法包括在聚合反应器中将熔体流动速率大于约100g / 10min的活性丙烯基聚合物与一种或多种烯烃接触以形成丙烯冲击共聚物，其熔体流动速率大于约60g / 10 分钟高熔体流动丙烯抗冲共聚物的生产可以在一个或多个聚合反应器中发生，利用标准氢浓度，不进行减粘裂化。

64. 发明授权

US07491670B2 Self limiting catalyst composition and propylene polymerization process 有权
标题翻译：自限催化剂组合物和丙烯聚合方法
公开(公告)号：US07491670B2
公开(公告)日：2009-02-17
申请号：US10568930
申请日：2004-09-17
申请人： Linfeng Chen , Richard E. Campbell, Jr.
发明人： Linfeng Chen , Richard E. Campbell, Jr.
IPC分类号： C08F4/642
CPC分类号： C08F10/00 , B01J31/0201 , B01J31/0272 , B01J31/04 , B01J31/143 , C08F10/06 , C08F110/06 , C08F4/6496 , C08F4/6495 , C08F4/6494 , C08F4/6465 , C08F2500/12 , C08F2500/18
摘要： A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.
摘要翻译：一种用于丙烯聚合的催化剂组合物，其包含一种或多种齐格勒 - 纳塔前催化剂组合物，其包含一种或多种过渡金属化合物和一种或多种芳族二羧酸内电子给体的酯; 一种或多种含铝助催化剂; 包含至少一种含有至少一个与硅原子键合的C 1-10烷氧基的含硅化合物的选择性控制剂（SCA）和一种或多种包含一种或多种脂族或脂环族羧酸的活性限制剂（ALA）化合物; 烷基 - ，环烷基 - 或烷基（聚）（烷氧基） - （聚）酯衍生物; 或惰性取代的衍生物。

65. 发明授权

US07393806B2 Catalyst composition with monocarboxylic acid ester internal donor and propylene polymerization process 失效
标题翻译：催化剂组成与单羧酸酯内给体和丙烯聚合过程
公开(公告)号：US07393806B2
公开(公告)日：2008-07-01
申请号：US10568982
申请日：2004-08-18
申请人： Jeffery S. Bradley , Linfeng Chen , William G. Sheard , Michael P. Zummallen
发明人： Jeffery S. Bradley , Linfeng Chen , William G. Sheard , Michael P. Zummallen
IPC分类号： C08F4/642
CPC分类号： B01J31/128 , B01J31/0212 , B01J31/04 , B01J31/143 , B01J2231/122 , B01J2531/22 , B01J2531/46 , C08F110/06 , C08F4/6494 , C08F4/651 , C08F4/6465 , C08F2500/12 , C08F2500/18
摘要： A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more monoesters of aromatic carboxylic acid internal electron donors; one or more aluminum containing cocatalyst; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 70 to 98 mol percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 30 to 2 mol percent of one or more alkoxysilane compounds containing one or more 5- or 6-membered cyclic groups optionally containing one or more Group 14, 15 or 16 heteroatoms.
摘要翻译：一种用于丙烯聚合的催化剂组合物，其包含一种或多种齐格勒 - 纳塔前催化剂组合物，其包含一种或多种过渡金属化合物和一种或多种芳族羧酸内电子给体的单酯; 一种或多种含铝助催化剂; 和两种或更多种不同选择性控制剂的混合物，所述SCA混合物包含70至98mol％的一种或多种一种或多种芳族单羧酸或其取代衍生物的酯，以及30至2mol％的一种或多种含有一个或多个任选含有一个或多个第14,15或16个杂原子的5或6元环基团的烷氧基硅烷化合物。

66. 发明授权

US07381779B2 Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process 失效
标题翻译：二羧酸酯内给体和丙烯聚合过程的自限催化剂组成
公开(公告)号：US07381779B2
公开(公告)日：2008-06-03
申请号：US10568931
申请日：2004-08-18
申请人： Richard E. Campbell, Jr. , Linfeng Chen
发明人： Richard E. Campbell, Jr. , Linfeng Chen
IPC分类号： C08F4/642
CPC分类号： C08F10/00 , C08F4/6494 , C08F4/6465
摘要： A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 1 to 99 percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 99 to 1 percent of one or more alkoxysilane compounds.
摘要翻译：一种用于丙烯聚合的催化剂组合物，其包含一种或多种齐格勒 - 纳塔前催化剂组合物，其包含一种或多种过渡金属化合物和一种或多种芳族二羧酸内电子给体的酯; 一种或多种含铝助催化剂; 和两种或更多种不同选择性控制剂的混合物，所述SCA混合物包含1至99％的一种或多种一种或多种芳族单羧酸或其取代衍生物的酯，以及99至1％的一种或多种烷氧基硅烷化合物。

67. 发明申请

US20070032375A1 Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process 失效
标题翻译：二羧酸酯内给体和丙烯聚合过程的自限催化剂组成
公开(公告)号：US20070032375A1
公开(公告)日：2007-02-08
申请号：US10568931
申请日：2004-08-18
申请人： Richard Campbell , Linfeng Chen
发明人： Richard Campbell , Linfeng Chen
IPC分类号： B01J31/00
CPC分类号： C08F10/00 , C08F4/6494 , C08F4/6465
摘要： A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 1 to 99 percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 99 to 1 percent of one or more alkoxysilane compounds.
摘要翻译：一种用于丙烯聚合的催化剂组合物，其包含一种或多种齐格勒 - 纳塔前催化剂组合物，其包含一种或多种过渡金属化合物和一种或多种芳族二羧酸内电子给体的酯; 一种或多种含铝助催化剂; 和两种或更多种不同选择性控制剂的混合物，所述SCA混合物包含1至99％的一种或多种一种或多种芳族单羧酸或其取代衍生物的酯，以及99至1％的一种或多种烷氧基硅烷化合物。

68. 发明授权

US07141635B2 Catalyst composition and polymerization process using mixtures of selectivity control agents 有权
公开(公告)号：US07141635B2
公开(公告)日：2006-11-28
申请号：US10514608
申请日：2003-05-20
申请人： Linfeng Chen , Thomas L. Nemzek
发明人： Linfeng Chen , Thomas L. Nemzek
IPC分类号： C08F4/42 , C08F210/00
CPC分类号： C08F10/06 , C08F10/00 , C08F110/06 , C08F210/06 , Y10S526/901 , C08F4/6465 , C08F4/6492 , C08F4/6495 , C08F4/6494 , C08F2/001 , C08F2500/12 , C08F2500/17 , C08F210/16
摘要： A catalyst composition for the polymerization of olefins and process for the use thereof, comprising the combination of one or more Ziegler-Natta catalysts, comprising one or more transition metal compounds, one or more aluminum containing cocatalyts, and a mixture of different selectivity control agents, including in said mixture of selectivity control agents at least one normally dominating selectivity control agent and one normally dominated selectivity control agent, characterized in that the individual selectivity control agents are present in the mixture in relative amounts to each other and relative to the one or more transition metal compounds, such that the effect of the selectivity control agents on the resulting polymer properties is not determined solely or substantially solely by the normally dominating selectivity control agent.

69. 发明授权

US10647790B2 Process for gas-phase polymerization having high bed bulk density 有权
公开(公告)号：US10647790B2
公开(公告)日：2020-05-12
申请号：US13172969
申请日：2011-06-30
申请人： Ping Cai , Jan W. Van Egmond , Matthew J. Fedec , Jeffrey D. Goad , Robert C. Brady, III , Linfeng Chen
发明人： Ping Cai , Jan W. Van Egmond , Matthew J. Fedec , Jeffrey D. Goad , Robert C. Brady, III , Linfeng Chen
IPC分类号： C08F10/06 , C08F110/06 , C08F210/06
摘要： The present invention relates to an improvement for gas-phase olefin polymerization process having relatively high bed bulk density. The improvement involves the use of mixed external electron donors when polymerizing propylene in a gas-phase reactor having a polymer bed with a bulk density greater than 128 kg/m3, optionally with one or more comonomers, wherein the mixed electron donor system comprises at least a first external electron donor and a second external electron donor, and wherein the first external electron donor is a carboxylate compound.

70. 发明授权

US10207238B2 Catalyst composition with mixed selectivity control agent and method 有权
公开(公告)号：US10207238B2
公开(公告)日：2019-02-19
申请号：US13025532
申请日：2011-02-11
申请人： Linfeng Chen
发明人： Linfeng Chen
IPC分类号： B01J8/18 , C08F10/02 , C08F10/06 , C08F110/06 , C08F4/649 , B01J31/02 , B01J31/12 , B01J31/14 , B01J31/22 , C08F210/06
摘要： The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

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