公开(公告)号：US20150284523A1

公开(公告)日：2015-10-08

申请号：US14443435

申请日：2013-11-19

Applicant: Mridula KAPUR ,  Jian WANG ,  Yajian LIN ,  Troy TAMBLING ,  Robert REIB ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Mridula Kapur ,  Jian Wang ,  Yijian Lin ,  Troy M. Tambling ,  Robert N. Reib

IPC: C08J5/18

CPC classification number: C08J5/18 ,  C08J2323/08 ,  C08L23/0807

Abstract: The instant invention provides a polyethylene composition suitable for film applications and film made therefrom. The linear low density polyethylene composition suitable for film applications according to the present invention comprises: less than or equal to 100 percent by weight of the units derived from ethylene; and less than 35 percent by weight of units derived from one or more α-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of from 0.890 to 0.915 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 2.5 to 4.5, a melt index (12) in the range of from 2 to 10 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.

Abstract translation: 本发明提供了适用于薄膜应用的聚乙烯组合物和由其制成的薄膜。 适用于根据本发明的膜应用的线性低密度聚乙烯组合物包含：小于或等于100重量％的衍生自乙烯的单元; 和少于35重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述线性低密度聚乙烯组合物的密度范围为0.890至0.915g / cm3，分子量分布（Mw / Mn）在2.5至4.5的范围内，熔体指数（12）在 2至10g / 10分钟，存在于所述组合物的骨架中的每1000个碳原子的分子量分布（Mz / Mw）在2.2至3的范围内，乙烯基不饱和度小于0.1个乙烯基，并且零 剪切粘度比（ZSVR）在1〜1​​.2的范围内。

公开(公告)号：US20130137827A1

公开(公告)日：2013-05-30

申请号：US13583649

申请日：2011-04-04

Applicant: Robert J. Jorgensen ,  Robert Reib ,  Stephanie M. Whited ,  Timothy J. Hogan ,  Darin G. Clark ,  Troy M. Tambling

Inventor： Robert J. Jorgensen ,  Robert Reib ,  Stephanie M. Whited ,  Timothy J. Hogan ,  Darin G. Clark ,  Troy M. Tambling

IPC: C08F2/34

CPC classification number: C08F2/34 ,  C08F210/16 ,  C08F2410/02 ,  C08F2410/04 ,  C08F2/002 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24 ,  C08F4/653 ,  C08F4/654

Abstract: A process for producing an olefin-based polymer in a polymerization reactor including a fluidized bed, a disengaging section and a neck connecting the bed and disengaging section, at least one monomer, in the gas phase, in the presence of at least one catalyst containing at least two transition metals, one of the at least two transition metals being Ti, at least one cocatalyst, a composition having at least one compound selected from formula (I), and/or at least one compound selected from formula (II): (R1CO2)2AlOH (I), (R2)xN(R3OH)y (II); wherein R1 is a hydrocarbon radical containing from 13 to 25 carbons; R2 is a hydrocarbon radical containing from 14 to 26 carbons; R3 is a hydrocarbon radical containing from 1 to 4 carbons; and x+y=3, and x has a value of 1 or 2; and wherein the reactor is operated in a condensed mode and the average height of the fluidized bed is maintained above the neck of the polymerization reactor is provided. The reaction product of the process is also provided.

Abstract translation: 一种在聚合反应器中生产烯烃类聚合物的方法，该聚合反应器包括流化床，脱离部分和连接床和脱离部分的颈部，至少一种单体，在气相中，在至少一种含有 至少两种过渡金属，所述至少两种过渡金属中的一种是Ti，至少一种助催化剂，具有至少一种选自式（I）的化合物的组合物和/或至少一种选自式（II）的化合物： （R1CO2）2AlOH（I），（R2）xN（R3OH）y（II）; 其中R1是含有13-25个碳原子的烃基; R2是含有14-26个碳原子的烃基; R3是含有1至4个碳的烃基; x + y = 3，x为1或2; 并且其中反应器以冷凝模式操作，并且提供流化床的平均高度保持在聚合反应器的颈部之上。 还提供了该方法的反应产物。

公开(公告)号：US20070004877A1

公开(公告)日：2007-01-04

申请号：US10569245

申请日：2004-08-18

Applicant: Richard Campbell Jr ,  Linfeng Chen ,  Roger Painter ,  Robert Reib ,  Michael Tilston

Inventor： Richard Campbell Jr ,  Linfeng Chen ,  Roger Painter ,  Robert Reib ,  Michael Tilston

IPC: C08F2/00

CPC classification number: C08F110/02 ,  C08F2/002 ,  C08F2/40 ,  C08F4/6494 ,  C08F4/6543 ,  C08F2/38

Abstract: A process for the polymerization of olefin monomers comprising contacting ethylene or a mixture of ethylene and one or more C4-8 α olefins with a catalyst composition comprising one or more Group 3-10 transition metal containing, Ziegler-Natta, procatalyst compounds; one or more alkylaluminum cocatalyts; and one or more polymerization control agents, said process being characterized in that at least one such polymerization control agent is an alkyl or aryl. ester of an aliphatic or aromatic (poly)carboxylic acid optionally containing one or more substituents comprising a Group 13, 14, 15, or 16 heteroatom.

Abstract translation: 一种烯烃单体的聚合方法，包括使乙烯或乙烯与一种或多种C 4-8α-烯烃的混合物与包含一种或多种含有齐格勒的3-10族过渡金属的催化剂组合物接触 -Natta，前催化剂化合物; 一种或多种烷基铝共催化剂; 和一种或多种聚合控制剂，所述方法的特征在于至少一种这样的聚合控制剂是烷基或芳基。 任选含有一个或多个包含第13,14,15或16族杂原子的取代基的脂族或芳族（多）羧酸的酯。