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1. 发明申请

US20160090476A1 LOW DENSITY ETHYLENE-BASED POLYMER COMPOSITIONS WITH HIGH MELT STRENGTH AND MID-HIGH DENSITY CONTROL 有权
标题翻译：具有高密度强度和中高密度控制的低密度乙烯基聚合物组合物
公开(公告)号：US20160090476A1
公开(公告)日：2016-03-31
申请号：US14889221
申请日：2014-05-21
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： Cornelis F.J. den Doelder , Karl Zuercher , Otto J. Berbee , Jian Wang , Teresa P. Karjala
IPC分类号： C08L23/06 , C08J9/00 , C09D123/06
CPC分类号： C08L23/06 , C08J9/0061 , C08J2323/06 , C08J2423/06 , C08L2203/16 , C08L2205/025 , C08L2207/066 , C09D123/06
摘要： 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
摘要翻译：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

2. 发明申请

US20150291783A1 POLYETHYLENE BLEND-COMPOSITION SUITABLE FOR BLOWN FILMS, AND FILMS MADE THEREFROM 有权
标题翻译：适用于薄膜的聚乙烯混合组合物及其制备的薄膜
公开(公告)号：US20150291783A1
公开(公告)日：2015-10-15
申请号：US14388644
申请日：2013-05-22
申请人： Dow Global Technologies LLC
发明人： Jian Wang , Nilesh R. Savargaonkar , Mehmet Demirors , John W. Garnett, IV , Ayush A. Bafna
IPC分类号： C08L23/06 , B65D25/14
CPC分类号： 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
摘要： 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.
摘要翻译：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。

3. 发明申请

US20150284523A1 Polyethylene Composition Suitable for Film Applications and Films Made Therefrom 审中-公开
标题翻译：聚乙烯组合物适用于薄膜应用和薄膜
公开(公告)号：US20150284523A1
公开(公告)日：2015-10-08
申请号：US14443435
申请日：2013-11-19
申请人： Mridula KAPUR , Jian WANG , Yajian LIN , Troy TAMBLING , Robert REIB , DOW GLOBAL TECHNOLOGIES LLC
发明人： Mridula Kapur , Jian Wang , Yijian Lin , Troy M. Tambling , Robert N. Reib
IPC分类号： C08J5/18
CPC分类号： C08J5/18 , C08J2323/08 , C08L23/0807
摘要： 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.
摘要翻译：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。

4. 发明申请

US20150274856A1 LOW DENSITY ETHYLENE-BASED POLYMERS WITH HIGH MELT STRENGTH 有权
标题翻译：低密度乙烯基聚合物，具有高熔体强度
公开(公告)号：US20150274856A1
公开(公告)日：2015-10-01
申请号：US14434204
申请日：2013-03-12
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： Otto J. Berbee , Cornelis F.J. den Doelder , Teresa P. Karjala , Karl Zuercher , Jian Wang , Stefan Hinrichs
IPC分类号： C08F110/02 , C08L23/08 , C09D123/06 , C08L23/06
CPC分类号： 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
摘要： 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)
摘要翻译：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）

5. 发明申请

US20150240000A1 POLYETHYLENE COMPOSITION SUITABLE FOR STRETCH FILM APPLICATIONS, AND METHOD OF PRODUCING THE SAME 审中-公开
标题翻译：适用于拉伸膜应用的聚乙烯组合物及其制造方法
公开(公告)号：US20150240000A1
公开(公告)日：2015-08-27
申请号：US14432219
申请日：2013-10-01
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： Jian Wang , Mridula Kapur , Yijian Lin , Lawrence J. Effler, JR. , Troy M. Tambling , Robert N. Reib
IPC分类号： C08F110/02 , C08J5/18 , C08L23/06
CPC分类号： C08F110/02 , C08J5/18 , C08L23/06 , C08L23/0815 , C08L2203/16 , C08L2205/025
摘要： 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.
摘要翻译：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。

6. 发明申请

US20140135459A1 HIGH PRESSURE LOW DENSITY POLYETHYLENE RESINS WITH IMPROVED OPTICAL PROPERTIES PRODUCED THROUGH USE OF HIGHLY ACTIVE CHAIN TRANSFER AGENTS 有权
标题翻译：具有通过使用高活性链转移剂生产的改进的光学性能的高压低密度聚乙烯树脂
公开(公告)号：US20140135459A1
公开(公告)日：2014-05-15
申请号：US13858640
申请日：2013-04-08
申请人： Dow Global Technologies LLC
发明人： 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分类号： C08F10/02
CPC分类号： C08F10/02 , C08F110/02 , Y10S526/917 , C08F2/01 , C08F2/001 , C08F2/38 , C08F2/00 , C08F2500/08 , C08F2500/12 , C08F2500/20 , C08F2500/04
摘要： 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.
摘要翻译：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。

7. 发明申请

US20230072649A1 POLYETHYLENE COMPOSITIONS 有权
公开(公告)号：US20230072649A1
公开(公告)日：2023-03-09
申请号：US17789424
申请日：2020-12-21
申请人： Dow Global Technologies LLC
发明人： 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分类号： C08L23/08 , C08F210/02 , C08J5/18
摘要： 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.

8. 发明授权

US10703869B2 Polyethylene blend-composition suitable for blown films, and films made therefrom 有权
公开(公告)号：US10703869B2
公开(公告)日：2020-07-07
申请号：US14388735
申请日：2013-05-22
申请人： Dow Global Technologies LLC
发明人： Jian Wang , Nilesh R. Savargaonkar , Mehmet Demirors , John W. Garnett, IV
IPC分类号： C08L25/00 , C08J5/18 , C08L23/08 , B29C48/10 , B29K23/00
摘要： 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 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 an ethylene/α-olefin interpolymer composition, wherein ethylene/α-olefin interpolymer composition has a Comonomer Distribution Constant (CDC) in the range of from 75 to 200, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene/α-olefin interpolymer composition; a zero shear viscosity ratio (ZSVR) in the range from 2 to 20; a density in the range of from 0.903 to 0.950 g/cm3, a melt index (I2) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.5; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; (e) and optionally one or more antioxidants.

9. 发明授权

US10538652B2 Low density ethylene-based polymer compositions with high melt strength and mid-high density control 有权
公开(公告)号：US10538652B2
公开(公告)日：2020-01-21
申请号：US15820083
申请日：2017-11-21
申请人： Dow Global Technologies LLC
发明人： Cornelis F. J. Den Doelder , Karl Zuercher , Otto J. Berbee , Jian Wang , Teresa P. Karjala
IPC分类号： C08L23/08 , C08L23/06 , C09D123/06 , C08J9/00
摘要： 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 (I2) from 2.0 to 10 dg/min; b) a density from 0.922 to 0.935 g/cc; and wherein the second ethylene-based 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.

10. 发明申请

US20180319910A1 LOW DENSITY ETHYLENE-BASED POLYMERS WITH HIGH MELT STRENGTH 审中-公开
公开(公告)号：US20180319910A1
公开(公告)日：2018-11-08
申请号：US16028194
申请日：2018-07-05
申请人： Dow Global Technologies LLC
发明人： Otto J. Berbee , Cornelis F. J. Den Doelder , Teresa P. Karjala , Karl Zuercher , Jian Wang , Stefan Hinrichs
IPC分类号： C08F110/02 , C09D123/06 , C08L23/08 , C08L23/06 , C09D123/08 , C08F4/38
CPC分类号： 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
摘要： 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 I2 relationship: Mw(abs)

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