公开(公告)号：US12221510B2

公开(公告)日：2025-02-11

申请号：US17754521

申请日：2020-10-01

Applicant: Dow Global Technologies LLC

Inventor： Yinzhong Guo ,  Tuoqi Li ,  Sudhanwa Dewasthale ,  Jian Wang ,  Thorsten Schmidt

IPC: C08G18/62 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B37/12 ,  B65D65/40 ,  C08G18/36 ,  C08G18/65 ,  C08G18/79 ,  C09J5/00 ,  C09J175/04

Abstract: A polyolefin-based laminating adhesive composition for use in producing a mechanical recyclable material, the adhesive composition including a mixture of: (a) at least one saturated polyolefin polyol; and (b) at least one aliphatic multi-functional isocyanate compound; a process for producing the above adhesive composition; a mechanically recyclable multi-layer laminate including: (A) at least one first film substrate layer; (B) at least one second film substrate layer; and (C) at least one layer of the above polyolefin-based laminating adhesive composition; wherein the at least one first film substrate layer is bonded to the at least one second film substrate layer via the adhesive composition layer; a process for producing the above mechanically recyclable multi-layer laminate; and a packaging article made from the above mechanically recyclable multi-layer laminate.

公开(公告)号：US20160090476A1

公开(公告)日：2016-03-31

申请号：US14889221

申请日：2014-05-21

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Cornelis F.J. den Doelder ,  Karl Zuercher ,  Otto J. Berbee ,  Jian Wang ,  Teresa P. Karjala

IPC: C08L23/06 ,  C08J9/00 ,  C09D123/06

CPC classification number: C08L23/06 ,  C08J9/0061 ,  C08J2323/06 ,  C08J2423/06 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/066 ,  C09D123/06

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and a second ethylene-based polymer, formed by a high pressure, free-radical polymerization process, such composition comprising the following properties: a) a melt index (12) from 2.0 to 10 dg/min; b) a density from 0.922 to 0.935 g/cc; and wherein the second ethylene-based Hyper polymer is present in an amount from 60 to 95 weight percent, based on the sum of the weight of the first polymer and the second polymer; and wherein the second ethylene-based polymer has a density greater than, or equal to, 0.924 g/cc; and wherein the first ethylene-based polymer has a melt index less than 2.5 dg/min

Abstract translation: 本发明提供一种组合物，其包含通过高压自由基聚合方法形成的第一乙烯类聚合物和通过高压自由基聚合方法形成的第二乙烯类聚合物，所述组合物包含以下 性质：a）2.0至10dg / min的熔体指数（12）; b）密度为0.922至0.935g / cc; 并且其中基于所述第一聚合物和所述第二聚合物的重量之和，所述第二基于乙烯的Hyper聚合物以60至95重量％的量存在; 并且其中所述第二乙烯类聚合物的密度大于或等于0.924g / cc; 并且其中所述第一乙烯类聚合物的熔融指数小于2.5dg / min

公开(公告)号：US20150291783A1

公开(公告)日：2015-10-15

申请号：US14388644

申请日：2013-05-22

Applicant: Dow Global Technologies LLC

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

IPC: C08L23/06 ,  B65D25/14

CPC classification number: C08L23/06 ,  B29C47/0021 ,  B29C47/0026 ,  B29C47/8825 ,  B29C47/8835 ,  B29C47/92 ,  B29C2947/92704 ,  B29C2947/92714 ,  B32B1/02 ,  B32B27/08 ,  B32B27/20 ,  B32B27/32 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/4026 ,  B32B2307/518 ,  B32B2439/00 ,  B65D25/14 ,  C08J5/18 ,  C08J2323/08 ,  C08J2423/06 ,  C08J2423/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2205/03

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 6 percent by weight of a bimodal linear low density polyethylene having a density in the range of from 0.935 to 0.970 g/cm3, and a melt index (I2) in the range of from 0.3 to 5 g/10 minutes; (b) 90 percent or greater by weight of a monomodal 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 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; (d) optionally a hydrotalcite based neutralizing agent; (e) optionally one or more nucleating agents; and (f) 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混合物组合物包括：（a）0.5至6重量％密度为0.935-0.970g的双峰线型低密度聚乙烯的熔融共混产物 / cm 3，熔体指数（I 2）在0.3〜5g / 10分钟的范围内; （b）90重量％以上密度为0.910〜0.950g / cm 3的单峰线性低密度聚乙烯，熔体指数（I 2）为0.1〜小于等于 5克/ 10分钟; （c）任选的0.5至4重量％的密度在0.915至0.935g / cm 3范围内的低密度聚乙烯，熔体指数（I 2）在大于0.8至小于或等于0.8的范围内， 等于5g / 10分钟，分子量分布（Mw / Mn）在6至10的范围内; （d）任选的基于水滑石的中和剂; （e）任选的一种或多种成核剂; 和（f）任选的一种或多种抗氧化剂。

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：US20150274856A1

公开(公告)日：2015-10-01

申请号：US14434204

申请日：2013-03-12

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Otto J. Berbee ,  Cornelis F.J. den Doelder ,  Teresa P. Karjala ,  Karl Zuercher ,  Jian Wang ,  Stefan Hinrichs

IPC: C08F110/02 ,  C08L23/08 ,  C09D123/06 ,  C08L23/06

CPC classification number: C08F110/02 ,  C08L23/06 ,  C08L23/0815 ,  C08L23/0869 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2207/066 ,  C09D123/06 ,  C09D123/0815 ,  C09D123/0869 ,  C08F2500/12 ,  C08F2500/11 ,  C08F4/38

Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus 12 relationship: Mw(abs)

Abstract translation: 本发明提供一种组合物，其包含通过高压自由基聚合方法形成的第一种基于乙烯的聚合物，并且包含以下性质：a）Mw（abs）对12关系：Mw（abs）

公开(公告)号：US20150240000A1

公开(公告)日：2015-08-27

申请号：US14432219

申请日：2013-10-01

Applicant: DOW GLOBAL TECHNOLOGIES LLC

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

IPC: C08F110/02 ,  C08J5/18 ,  C08L23/06

CPC classification number: C08F110/02 ,  C08J5/18 ,  C08L23/06 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025

Abstract: The instant invention provides a polyethylene composition suitable for stretch film applications and, method of producing the same, and cast film made therefrom. The linear low density polyethylene composition suitable for stretch 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 0.900 to 0.930 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 2.5 to 4.5, a melt index (I2) in the range of from 0.3 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拉伸膜应用的聚乙烯组合物及其制备方法，以及由其制成的流延薄膜。 适用于根据本发明的拉伸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0.900-0.930g / cm3，分子量分布（Mw / Mn）在2.5-4.5范围内，熔体指数（I2）在 0.3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：US20140135459A1

公开(公告)日：2014-05-15

申请号：US13858640

申请日：2013-04-08

Applicant: Dow Global Technologies LLC

Inventor： Teresa P. Karjala ,  Christopher R. Eddy ,  Mehmet Demirors ,  Wallace W. Yau ,  Sarat Munjal ,  Stefan Hinrichs ,  Jian Wang ,  Otto J. Berbee ,  Werner Zschoch ,  Cornelis J. Hosman ,  Lonnie G. Hazlitt

IPC: C08F10/02

CPC classification number: C08F10/02 ,  C08F110/02 ,  Y10S526/917 ,  C08F2/01 ,  C08F2/001 ,  C08F2/38 ,  C08F2/00 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/20 ,  C08F2500/04

Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.

Abstract translation: 公开了密度为约0.90至约0.94（克/立方厘米）的乙烯基聚合物，分子量分布（Mw / Mn）为约2至约30，熔体指数（I 2）为约0.1至约 50克/ 10分钟，还含有约5至约4000ppm的硫。 硫的量也基于乙烯类聚合物的总重量来确定。 还公开了制备基于乙烯的聚合物的方法，其包括将工艺流体分离成管式反应器的步骤; 将上游工艺进料流输送到第一反应区和至少一个下游工艺进料流进入至少一个其它反应区，其中所述工艺流体具有至少10米/秒的平均速度; 并引发自由基聚合反应。

公开(公告)号：US20240424768A1

公开(公告)日：2024-12-26

申请号：US17756165

申请日：2020-11-11

Applicant: Dow Global Technologies LLC

Inventor： Justice Alaboson ,  Karlheinz Hausmann ,  Jian Wang ,  Yijian Lin ,  Cristina Serrat ,  Martin Hill

IPC: B32B27/08 ,  B32B7/12 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36

Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises: at least one inner layer comprising: (1) a polyethylene-based composition that comprises: (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of one or more polyethylenes having a density between 0.926 g/cm3 to 0.970 g/cm3 and a melt index (I2) between 0.1 to 10 g/10 min; (b) 20 to 5000 ppm, based on the total weight of the polyethylene-based composition of a sorbitol acetal derivative comprising the structure of formula (I): wherein R1-R5 comprise the same or different moieties chosen from hydrogen and a C1-C3 alkyl.

公开(公告)号：US12145344B2

公开(公告)日：2024-11-19

申请号：US17754753

申请日：2020-11-11

Applicant: Dow Global Technologies LLC

Inventor： Karlheinz Hausmann ,  Justice Alaboson ,  Jian Wang ,  Brayden E. Glad ,  Ronald Wevers ,  Sanjib Biswas ,  Andrew T. Heitsch ,  Mridula Kapur ,  Didem Oner-Deliormanli ,  Joshua B. Gaubert ,  Alexander Williamson ,  Mehmet Demirors

IPC: B32B27/08 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34

Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises at least one layer comprising: (1) a polyethylene-based composition that comprises: (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of a polyethylene composition comprising: (i) from 25 to 37 percent by weight of a first polyethylene fraction having a density in the range of 0.935 to 0.947 g/cm3 and a melt index (I2) of less than 0.1 g/10 minutes; and (ii) from 63 to 75 percent by weight of a second polyethylene fraction; and (b) 20 to 5000 ppm, based on the total weight of the polyethylene-based composition of a nucleating agent, wherein the nucleating agent comprises a calcium salt of 1,2-cyclohexanedicarboxylic acid or sodium 4-[(4-chlorobenzoyl) amino] benzoate; wherein the polyethylene composition has less than 0.10 branches per 1,000 carbon atoms when measured using 13C NMR, wherein the density of the polyethylene-based composition is at least 0.965 g/cm3, and wherein the melt index (I2) of the polyethylene-based composition is 0.5 to 10 g/10 minutes.

公开(公告)号：US20230072649A1

公开(公告)日：2023-03-09

申请号：US17789424

申请日：2020-12-21

Applicant: Dow Global Technologies LLC

Inventor： Sanjib Biswas ,  Rahul Sharma ,  Jacquelyn A. DeGroot ,  Erica Spiekermann ,  Douglas S. Ginger ,  Jian Wang ,  Mehmet Demirors ,  David T. Gillespie ,  Hien Q. Do ,  Philip P. Fontaine

IPC: C08L23/08 ,  C08F210/02 ,  C08J5/18

Abstract: Embodiments of a polyethylene composition are provided, which may include a first polyethylene fraction comprising at least one peak in a temperature range of from 35° C. to 70° C. in an elution profile via improved comonomer composition distribution (iCCD) analysis method, where a first polyethylene area fraction is an area in the elution profile from 35° C. to 70° C., and where the first polyethylene fraction area comprises from 25% to 65% of the total area of the elution profile; and a second polyethylene fraction comprising at least one peak in a temperature range of from 85° C. to 120° C. in the elution profile, where a second polyethylene area fraction is an area in the elution profile from 85° C. to 120° C., and where the second polyethylene fraction area comprises at least 20% of the total area of the elution profile.