公开(公告)号：US09714326B2

公开(公告)日：2017-07-25

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 ,  C08K5/14 ,  C08L23/06 ,  C08L23/08 ,  C08K5/00

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.

公开(公告)号：US09631059B2

公开(公告)日：2017-04-25

申请号：US14653352

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

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

IPC: C08J5/18 ,  B65D51/26 ,  C08F210/16 ,  C08L23/06 ,  C08L23/08 ,  C07F5/00 ,  C07F7/18 ,  C08L23/02

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.

公开(公告)号：US20170081444A1

公开(公告)日：2017-03-23

申请号：US15311391

申请日：2015-06-26

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Pradeep Jain ,  Mehmet Demirors ,  Douglas S. Ginger ,  Anthony J. Castelluccio ,  Mridula Babli Kapur

IPC: C08F210/16 ,  C08L23/08

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: The invention provides a composition comprising a first composition, comprising 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). The invention also provides a process to form a composition comprising at least two ethylene-based polymers, said process comprising the following: polymerizing ethylene, and optionally at least one comonomer, in solution, in the presence of a catalyst system comprising a metal-ligand complex of Structure I, as described herein, to form a first ethylene-based polymer; and polymerizing ethylene, and optionally at least one comonomer, in the presence of a catalyst system comprising a Ziegler/Natta catalyst, to form a second ethylene-based polymer.

公开(公告)号：US20170066859A1

公开(公告)日：2017-03-09

申请号：US15357931

申请日：2016-11-21

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Ruth Figueroa ,  Jerzy Klosin ,  Pulikkottil J. Thomas ,  Sylvie Desjardins ,  Mridula Kapur ,  Philip P. Fontaine

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F4/60193 ,  Y02P20/582 ,  C08F4/64193 ,  C08F4/64186 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/09 ,  C08F2500/12

Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more α-olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in a single reactor, wherein first catalyst system comprises; (a) one ore more procatalysts comprising a metal-ligand complex of formula (I):

Abstract translation: 本发明提供了一种生产乙烯基聚合物的聚合方法。 在一个实施方案中，本发明提供了一种用于生产基于乙烯的聚合物的聚合方法，其包括：在一个或多个第一催化剂体系的存在下将乙烯与任选的一种或多种α-烯烃聚合，并且在单个反应器中任选地使用一种或多种第二催化剂体系 ，其中第一催化剂体系包含： （a）一种或多种前催化剂，其包含式（I）的金属 - 配体络合物：

公开(公告)号：US09527940B2

公开(公告)日：2016-12-27

申请号：US14654875

申请日：2013-12-10

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Ruth Figueroa ,  Jerzy Klosin ,  Pulikkottil J. Thomas ,  Sylvie Desjardins ,  Mridula Kapur ,  Philip P. Fontaine

IPC: C08F4/64 ,  C08F4/76 ,  C08F210/16 ,  C08F4/60 ,  C08F2/00

CPC classification number: C08F210/16 ,  C08F2/001 ,  C08F4/60193 ,  Y02P20/582 ,  C08F4/64193

Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more α-olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in in a dual reator system or a multiple reactor system, wherein first catalyst system comprises; (a) one ore more procatalysts comprising a metal-ligand complex of formula (I):

Abstract translation: 本发明提供了一种生产乙烯基聚合物的聚合方法。 在一个实施方案中，本发明提供了一种用于生产基于乙烯的聚合物的聚合方法，其包括：在一种或多种第一催化剂体系和任选的一种或多种第二催化剂体系的存在下，将乙烯与任选的一种或多种α-烯烃聚合， 反应器系统或多反应器系统，其中第一催化剂体系包括： （a）一种或多种主催化剂，其包含式（I）的金属 - 配体络合物：

公开(公告)号：US20150344681A1

公开(公告)日：2015-12-03

申请号：US14653329

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

Inventor： Mridula Kapur ,  Mehmet Demirors ,  Philip P. Fontaine ,  Douglas S. Ginger ,  David T. Gillespie

IPC: C08L23/06

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/60193 ,  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 injection molding applications, and method of making such injection molded articles. The polyolefin composition suitable for injection molding applications comprises: an ethylene/α-olefin interpolymer composition comprising: (a) from 25 to 50 percent by weight of a first ethylene/α-olefin copolymer fraction having a density in the range of from 0.924 to 0.937 g/cm3, a melt index (I2) in the range of from 0.03 to 0.3 g/10 min, (b) from 50 to 75 percent by weight of a second ethylene homopolymer fraction having a density in the range of from greater than 0.960 g/cm3, a melt index (I2) in the range of from 100 to 180 g/10 minutes, wherein said ethylene/α-olefin interpolymer composition has a density in the range of from 0.950 to 0.958 g/cm3, a melt index (I2) in the range of from 1.0 g/10 min to 3.5 g/10 min, a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.5, a molecular weight distribution (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 9 to 50.

Abstract translation: 本发明提供了适用于注塑应用的聚烯烃组合物，以及制备这种注模制品的方法。 适用于注塑应用的聚烯烃组合物包括：乙烯/α-烯烃互聚物组合物，其包含：（a）25至50重量％的第一乙烯/α-烯烃共聚物部分，其密度范围为0.924至 0.937g / cm 3，熔体指数（I 2）在0.03至0.3g / 10min的范围内，（b）50至75重量％的第二乙烯均聚物部分，其密度在大于 0.960g / cm 3，熔体指数（I 2）在100至180g / 10分钟的范围内，其中所述乙烯/α-烯烃互聚物组合物的密度范围为0.950至0.958g / cm 3，熔体 指数（I 2）在1.0g / 10min至3.5g / 10min的范围内，零剪切粘度比（ZSVR）在1.01至2.5范围内，分子量分布（Mw / Mn）在该范围内 为2.0〜4.0，tanδ为0.1弧度/秒，190℃为9〜50。

公开(公告)号：US09169343B2

公开(公告)日：2015-10-27

申请号：US14242251

申请日：2014-04-01

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Christopher R. Eddy ,  Lonnie G. Hazlitt ,  Pak-Meng Cham ,  Sarat Munjal ,  Wallace W. Yau

IPC: C08F2/00 ,  C08G85/00 ,  C08F255/02 ,  C08F110/02 ,  C08F255/00 ,  C08F297/08 ,  C08L23/08 ,  C08L51/06 ,  C08L53/00

CPC classification number: C08F255/02 ,  C08F110/02 ,  C08F255/00 ,  C08F297/08 ,  C08F297/083 ,  C08L23/0815 ,  C08L51/06 ,  C08L53/00 ,  C08L2666/02 ,  C08F2500/09 ,  C08F2500/12 ,  C08F2500/20 ,  C08F2500/17 ,  C08F2500/07 ,  C08F2500/19

Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm≧(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.

Abstract translation: 包含通过核磁共振测定的约0.1至约2.0单位/ 1000个碳原子的乙烯基聚合物，峰值熔融温度Tm，℃，熔融热，Hf / J， 通过DSC结晶度测定，其中Tm和Hf的数值对应于Tm≥（0.2143×Hf）+79.643的关系。 包含至少一种使用制备型升温洗脱分级方法在95℃或更高洗脱的制备性TREF级分的乙烯性聚合物，其中至少一种在95℃或更高洗脱的制备性TREF级分的gpcBR值大于 通过3D-GPC通过gpcBR分枝指数测定的0.05和小于5，并且其中至少5％的乙烯类聚合物在基于乙烯类聚合物的总重量的95℃或更高的温度下洗脱。

公开(公告)号：US20150299440A1

公开(公告)日：2015-10-22

申请号：US14388707

申请日：2013-05-22

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Nilesh R. Savargaonkar ,  Mehmet Demirors ,  John W. Garnett, IV

IPC: C08L23/06 ,  B32B27/32

CPC classification number: C08L23/06 ,  B29C47/0026 ,  B29C47/8825 ,  B29C47/92 ,  B29C2947/92704 ,  B29C2947/92714 ,  B32B1/02 ,  B32B27/08 ,  B32B27/20 ,  B32B27/32 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/4026 ,  B32B2307/518 ,  B32B2439/00 ,  C08J5/18 ,  C08J2323/08 ,  C08J2423/06 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/066 ,  C08L2207/07 ,  C08L2314/06

Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films according to the present invention comprises the melt blending product of: (a) from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a linear low density polyethylene composition has a density in the range of 0.900 to 0.935 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.5 to 4.5, a melt index (I2) in the range of 0.1 to 5 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 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 less than 2; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; (e) and optionally one or more antioxidants.

Abstract translation: 本发明提供了适用于吹塑薄膜的聚乙烯共混组合物和由其制成的薄膜。 适用于本发明吹塑薄膜的聚乙烯共混物组合物包括熔融共混产物：（a）0.5-4重量％的密度为0.915-0.935g / cm3的低密度聚乙烯 ，并且熔体指数（I 2）在大于0.8至小于或等于5g / 10分钟的范围内，分子量分布（Mw / Mn）在6至10的范围内; （b）线性低密度聚乙烯组合物的90重量％以上的密度范围为0.900〜0.935g / cm 3，分子量分布（Mw / Mn）为1.5〜4.5，熔体指数 （I 2）在0.1至5g / 10分钟的范围内，分子量分布（Mz / Mw）在小于3的范围内，乙烯基不饱和度小于0.1个乙烯基，每千个碳原子存在于所述 组成和零剪切粘度比（ZSVR）在1至小于2的范围内; （c）任选的基于水滑石的中和剂; （d）任选的一种或多种成核剂; （e）和任选的一种或多种抗氧化剂。

公开(公告)号：US20150108127A1

公开(公告)日：2015-04-23

申请号：US14388759

申请日：2013-05-22

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Nilesh R. Savargaonkar ,  Mehmet Demirors

IPC: C08J5/18 ,  B65D1/02 ,  B29C47/00

CPC classification number: C08J5/18 ,  B29C48/0018 ,  B29K2023/0625 ,  B29L2007/008 ,  B29L2009/00 ,  B29L2031/712 ,  B65D1/0215 ,  C08J2323/06 ,  C08J2423/06 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2314/02 ,  C08L23/06

Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films comprises the melt blending product of: (a) from 0.5 to 5 percent by weight of a high density polyethylene having a density in the range of from 0.950 to 0.970 g/cm3, and a melt flow rate (I2) in the range of from less than 0.5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 10 to 40, and Mz in the range of from 800,000 to 5,000,000 g/mol; (b) 90 percent or greater by weight of a linear low density polyethylene having a density in the range of from 0.910 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; (e) and optionally one or more anti-oxidants.

Abstract translation: 本发明提供了适用于吹塑薄膜的聚乙烯共混组合物和由其制成的薄膜。 适用于吹塑薄膜的聚乙烯混合物组合物包括熔融共混产物：（a）0.5至5重量％的密度为0.950-0.970g / cm3的高密度聚乙烯和熔体流动 速率（I 2）在小于0.5g / 10分钟的范围内，分子量分布（Mw / Mn）在10至40的范围内，Mz在80万至5,000,000g / mol的范围内; （b）90重量％以上密度为0.910〜0.950g / cm 3的线性低密度聚乙烯，熔体指数（I 2）为0.1〜5重量％ g / 10分钟; （c）任选的基于水滑石的中和剂; （d）任选的一种或多种成核剂; （e）和任选的一种或多种抗氧化剂。

公开(公告)号：US20140141228A1

公开(公告)日：2014-05-22

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

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。