公开(公告)号：US20170152377A1

公开(公告)日：2017-06-01

申请号：US15320765

申请日：2014-06-26

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Pradeep Jain ,  Mehmet Demirors ,  Rajen M. Patel ,  Joseph L. Deavenport ,  Jacquelyn A. Degroot ,  Suzanne M. Guerra ,  Viraj Shah ,  Selim Bensason ,  Satyajeet Ojha

IPC: C08L23/08 ,  B32B27/12 ,  A61F13/514 ,  B32B27/08 ,  B32B27/20 ,  C08K3/26 ,  B32B5/02 ,  B32B27/32

CPC classification number: C08L23/0815 ,  A61F13/51401 ,  A61F13/51458 ,  A61F2013/51409 ,  B32B5/00 ,  B32B5/02 ,  B32B5/022 ,  B32B7/00 ,  B32B7/02 ,  B32B27/06 ,  B32B27/08 ,  B32B27/12 ,  B32B27/18 ,  B32B27/20 ,  B32B27/28 ,  B32B27/30 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/325 ,  B32B2255/00 ,  B32B2255/02 ,  B32B2262/00 ,  B32B2262/02 ,  B32B2262/0253 ,  B32B2270/00 ,  B32B2307/50 ,  B32B2307/514 ,  B32B2307/544 ,  B32B2307/718 ,  B32B2307/724 ,  B32B2307/726 ,  B32B2555/00 ,  C08F210/16 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/18 ,  C08J5/00 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/08 ,  C08K3/26 ,  C08K2003/265 ,  C08L23/0807 ,  C08L2203/12 ,  C08L2205/025 ,  C08L2205/16 ,  C08L2314/02 ,  C08L2314/06 ,  E01C13/08 ,  C08F4/64193 ,  C08F4/6555 ,  C08F2/06 ,  C08F2500/10 ,  C08F2500/19

Abstract: Breathable films formed from polyethylene are provided that can have desirable properties. In one aspect, a breathable film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2≧7.0−1.2×log(I2).

公开(公告)号：US20170129230A1

公开(公告)日：2017-05-11

申请号：US15318162

申请日：2015-06-26

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Pradeep Jain ,  Mehmet Demirors ,  Rajen M. Patel ,  Suzanne M. Guerra ,  Mauricio E. Leano

IPC: B32B27/32 ,  C08L23/08 ,  B32B27/30 ,  C08F210/16 ,  B32B27/06 ,  B32B27/08

CPC classification number: B32B27/32 ,  B32B27/06 ,  B32B27/08 ,  B32B27/306 ,  B32B27/308 ,  B32B27/327 ,  B32B2250/24 ,  B32B2270/00 ,  B32B2307/40 ,  B32B2307/54 ,  B32B2307/558 ,  B32B2307/72 ,  B32B2439/70 ,  B32B2553/00 ,  C08F4/659 ,  C08F4/65908 ,  C08F4/65912 ,  C08F210/16 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2207/064 ,  C08L2207/066 ,  C08L2314/02 ,  C08L2314/06 ,  C08F4/64193 ,  C08F2/001 ,  C08F4/6555 ,  C08F210/14 ,  C08F2500/10 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/26

Abstract: Cast films formed from polyethylene are provided that can have desirable properties. In one aspect, a cast film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2≧7.0−1.2×log (I2).

公开(公告)号：US20170101494A1

公开(公告)日：2017-04-13

申请号：US15311299

申请日：2015-06-29

Applicant: Dow Global Technologies LLC

Inventor： Philip P. Fontaine ,  Jerzy Klosin ,  Endre Szuromi ,  Carl N. Iverson ,  Zach T. Rickaway ,  Andrew J. Young ,  Susan G. Brown ,  Ruth Figueroa ,  Mehmet Demirors ,  Mridula Babli Kapur

IPC: C08F210/16

Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I).

公开(公告)号：US20170021599A1

公开(公告)日：2017-01-26

申请号：US15302359

申请日：2014-04-16

Applicant: Dow Global Technologies LLC

Inventor： Jian-ping Pan ,  Yijian Lin ,  Xiao Bing Yun ,  Mehmet Demirors

IPC: B32B27/32 ,  B32B27/08

CPC classification number: B32B27/32 ,  B29C55/005 ,  B29C55/12 ,  B29K2023/0608 ,  B32B27/08 ,  B32B27/30 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2307/412 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2307/736 ,  B32B2439/70 ,  C08L23/0815 ,  C08L23/04

Abstract: A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin,and two skin layers, wherein the core layer is positioned between the two skin layers,wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. % of the units derived from one or more alpha-olefin comonomers, has greater than 50% of the copolymer fraction eluting between 75.0° C. and 95.0° C. as determined by Crystallization Elution Fractionation (CEF), and has a density ranging from 0.915 to 0.940 g/cc, and wherein the film is biaxially-oriented.

Abstract translation: 一种多层乙烯类收缩膜，其包含包含聚乙烯树脂的芯层和两个表皮层，其中芯层位于两个表层之间，其中聚乙烯树脂包含大于50mol。 衍生自乙烯的单元的百分比小于30mol。 衍生自一种或多种α-烯烃共聚单体的单元的％具有通过结晶洗脱分级（CEF）测定的在75.0℃和95.0℃之间洗脱的共聚物级分的大于50％，并且具有从 0.915至0.940g / cc，并且其中该膜是双轴取向的。

公开(公告)号：US20160237222A1

公开(公告)日：2016-08-18

申请号：US15023673

申请日：2014-09-18

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Mehmet Demirors ,  Sean W. Ewart ,  Teresa P. Karjala ,  Maria Pollard

IPC: C08J3/22 ,  C08L23/06

CPC classification number: C08J3/226 ,  C08J2323/06 ,  C08J2423/06 ,  C08K5/0025 ,  C08K5/14 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2205/06 ,  C08L2310/00 ,  C08L23/04

Abstract: A process for increasing the melt strength of a polyethylene resin comprising a) selecting a polyethylene resin having i) a density, as determined according to ASTM D792, in the range of from 0.865 g/cm3 to 0.97 g/cm3, and ii) a melt index, I2, as determined according to ASTM D1238 (2.16 kg, 190° C.), in the range of from 0.01 g/10 min to 100 g/10 min; b) reacting from 10 ppm to 1000 ppm of at least one peroxide having a 1 hour half-life decomposition temperature from 160° C. to 250° C. with the polyethylene resin under conditions sufficient to increase the melt strength of the polyethylene resin is provided. Also provided are a masterbatch composition and a polymeric composition.

Abstract translation: 一种提高聚乙烯树脂的熔体强度的方法，包括：a）选择聚乙烯树脂，其具有i）根据ASTM D792测定的密度在0.865g / cm 3至0.97g / cm 3的范围内，和ii） 熔体指数I2，根据ASTM D1238（2.16kg，190℃）测定，范围为0.01g / 10min至100g / 10min; b）使聚乙烯树脂在足以提高聚乙烯树脂的熔体强度的条件下，使10ppm至1000ppm的至少一种具有1小时半衰期分解温度从160℃至250℃的过氧化物反应为 提供。 还提供了母料组合物和聚合物组合物。

公开(公告)号：US09403928B2

公开(公告)日：2016-08-02

申请号：US14262981

申请日：2014-04-28

Applicant: Dow Global Technologies LLC

Inventor： Otto J. Berbee ,  Cornelis Den Doelder ,  Egbert Nijhof ,  Mehmet Demirors ,  Sjoerd A. De Vries

IPC: C08F220/06 ,  C08F10/02 ,  C08F110/02 ,  C08F210/02 ,  C08F218/08 ,  C08F220/18 ,  C08L23/06 ,  C09D123/06 ,  C08F210/16

CPC classification number: C08F220/06 ,  C08F10/02 ,  C08F110/02 ,  C08F210/02 ,  C08F210/16 ,  C08F218/08 ,  C08F220/18 ,  C08L23/06 ,  C08L2207/066 ,  C09D123/06 ,  C08F2/00 ,  C08F2500/08 ,  C08F2500/09 ,  C08F2500/12 ,  C08F2500/26 ,  C08F210/06

Abstract: A high pressure polymerization process to form an ethylene-based polymer comprises the steps of: A. Injecting a first feed comprising ethylene and optionally a chain transfer agent system (CTA system) into a first autoclave reactor zone operating at polymerization conditions to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone and operating at polymerization conditions, and, optionally, (2) freshly injecting a second feed into the second reactor zone to produce a second zone reaction product, with the proviso that the second reactor zone contains a CTA system having a transfer activity Z2; and with the proviso that the ratio of Z1/Z2 is less than 1.

Abstract translation: 形成乙烯基聚合物的高压聚合方法包括以下步骤：A.将包含乙烯和任选的链转移剂体系（CTA体系）的第一种进料注入到在聚合条件下操作的第一高压釜反应器区中，以产生第一 区域反应产物，具有转移活性Z1的第一反应器区域的CTA体系; （1）将至少部分第一区反应产物转移到选自第二高压釜反应器区或管状反应器区并在聚合条件下操作的第二反应器区，以及任选地，（2）新鲜地注入第二个 进料到第二反应器区以产生第二区反应产物，条件是第二反应器区含有具有转移活性Z 2的CTA体系; 并且条件是Z1 / Z2的比率小于1。

公开(公告)号：US20160177073A1

公开(公告)日：2016-06-23

申请号：US14576576

申请日：2014-12-19

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Mustafa Bilgen ,  Yijian Lin

IPC: C08L23/06 ,  C08J5/18

CPC classification number: C08L23/06 ,  C08J5/18 ,  C08J2323/06 ,  C08J2423/06 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2207/066 ,  C08L2207/068 ,  C08F10/02 ,  C08F4/642 ,  C08F4/64193 ,  C08F110/02 ,  C08F2500/12 ,  C08F2500/07 ,  C08F2500/26

Abstract: Embodiments of a polyethylene polymer blend having a melt index (I2) 3.

Abstract translation: 提供熔体指数（I 2）<2g / 10分钟的聚乙烯聚合物共混物的实施方案，其中聚乙烯聚合物共混物包含至少约50重量％ 的至少一种密度≥0.950g/ cm3的高密度聚乙烯树脂（HDPE），熔体指数（I2）<4g / 10min; 熔体流动比（I10 / I2）＆lt; NE; 9，分子量分布（MWD）约2至约5; 并且还包含约1重量％至约20重量％。 的至少一种密度为nlE的低密度聚乙烯树脂（LDPE）为0.930g / cm 3，熔体指数（I 2）为约0.1至约10g / min，MWD为3。

公开(公告)号：US09352537B2

公开(公告)日：2016-05-31

申请号：US14156692

申请日：2014-01-16

Applicant: Dow Global Technologies LLC

Inventor： David W. Fuchs ,  Pradeep Jain ,  Mehmet Demirors ,  Pak-Meng Cham ,  Yunwa W. Cheung

IPC: B32B27/32 ,  B32B27/08 ,  C08L23/08 ,  C08L23/06

CPC classification number: B32B27/32 ,  B32B27/08 ,  C08L23/06 ,  C08L23/0815 ,  Y10T428/31746 ,  Y10T428/31797 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T428/31938 ,  C08L2666/06

Abstract: Compositions suitable for film comprise at least one ethylene/α-olefin interpolymer, wherein the ethylene/α-olefin interpolymer may have, for example, a Mw/Mn from about 1.7 to about 3.5, at least one melting point, Tm, in degrees Celsius, and a density, d, in grams/cubic centimeter, wherein the numerical values of Tm and d correspond to the relationship: Tm>−2002.9+4538.5(d)−2422.2(d)2.

Abstract translation: 适用于膜的组合物包含至少一种乙烯/α-烯烃互聚物，其中乙烯/α-烯烃互聚物可以具有例如约1.7至约3.5的Mw / Mn，至少一个熔点Tm 摄氏度，密度d（克/立方厘米），其中Tm和d的数值对应于Tm> -2002.9 + 4538.5（d）-2422.2（d）2的关系。

公开(公告)号：US20160108150A1

公开(公告)日：2016-04-21

申请号：US14981021

申请日：2015-12-28

Applicant: Dow Global Technologies LLC

Inventor： Sylvie Desjardins ,  Mehmet Demirors ,  Ellen Donkers ,  Philip P. Fontaine ,  Cristina Serrat

IPC: C08F110/02 ,  D01F6/04 ,  C08J5/18

CPC classification number: C08F110/02 ,  C08F4/685 ,  C08F10/02 ,  C08F210/16 ,  C08F2410/03 ,  C08J5/18 ,  C08J2323/06 ,  D01F6/04 ,  C08F4/6341 ,  C08F4/6385 ,  C08F4/6374 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/26 ,  C08F4/6357

Abstract: Novel catalyst compositions comprising three or more transition metals are effective in increasing catalyst efficiency, reducing polydispersity, and increasing uniformity in molecular weight distribution when used in olefin, and particularly, linear low density polyethylene (LLDPE), polymerizations. The resulting polymers may be used to form differentiated products including, for example, films that may exhibit improved optical and mechanical properties.

Abstract translation: 包含三种或更多种过渡金属的新型催化剂组合物在用于烯烃，特别是线性低密度聚乙烯（LLDPE））聚合中时，有效地提高催化剂效率，降低多分散性和增加分子量分布的均匀性。 所得聚合物可用于形成分化产物，包括例如可能表现出改善的光学和机械性能的膜。

公开(公告)号：US09115275B2

公开(公告)日：2015-08-25

申请号：US14141835

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

Inventor： Mridula Kupar ,  Mehmet Demirors ,  Pradeep Jain ,  Philip P. Fontaine ,  Douglas S. Ginger ,  David T. Gillespie ,  Mustafa Bilgen

IPC: C08F10/00 ,  C08L23/06 ,  C08L23/08

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/64186 ,  C08F210/14 ,  C08F210/16 ,  C08F2500/03 ,  C08J2323/08 ,  C08J2423/08 ,  C08L23/02 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  Y02P20/582 ,  C08F4/64193 ,  C08F2500/09 ,  C08F2500/12

Abstract: The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/α-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/α-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm3, a melt index (I2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/α-olefin copolymer fraction, and wherein said ethylene/α-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm3, a melt index (I2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second and 190° C. in the range of from 6 to 43.

Abstract translation: 本发明提供一种适用于包装应用，薄膜，多层结构和由其制成的包装装置的聚烯烃组合物。 根据本发明的聚烯烃组合物包含：乙烯/α-烯烃互聚物组合物，其包含（a）50至75重量％的密度在0.894至0.908g范围内的第一乙烯/α-烯烃共聚物部分 / cm 3，熔体指数（I 2）在0.2〜1g / 10分钟的范围内，和（b）25〜50重量％的第二乙烯/α-烯烃共聚物部分，其中所述乙烯/ α-烯烃互聚物组合物的密度范围为0.910〜0.924g / cm3，熔体指数（I2）为0.5〜2g / 10分钟，零剪切粘度比（ZSVR）为 1.15至2.5，分子量分布表示为重均分子量与数均分子量（Mw / Mn）的比值在2.0至4.0的范围内，tanδ在0.1弧度/秒和190℃ 在6到43的范围内。