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1. 发明申请

WO2015154253A1 ORIENTED POLYETHYLENE FILMS AND A METHOD FOR MAKING THE SAME 审中-公开
标题翻译：定向聚乙烯薄膜及其制备方法
公开(公告)号：WO2015154253A1
公开(公告)日：2015-10-15
申请号：PCT/CN2014/074992
申请日：2014-04-09
申请人： DOW GLOBAL TECHNOLOGIES LLC , LIN, Yijian , DEMIRORS, Mehmet , PING, Jian , YUN, Xiaobing
发明人： LIN, Yijian , DEMIRORS, Mehmet , PING, Jian , YUN, Xiaobing
IPC分类号： B32B27/32 , B32B7/08
CPC分类号： C08J5/18 , B29C47/0021 , B29C47/0057 , B29C47/065 , B29K2023/0625 , B32B27/08 , B32B27/16 , B32B27/205 , B32B27/32 , B32B2250/242 , B32B2307/518 , B32B2307/54 , B32B2307/72 , C08J2323/06 , C08J2423/06 , C08L23/06 , C08L2203/16 , C08L2205/025 , C08L2314/02
摘要： A first oriented film comprising a first polyethylene composition which comprises: from20 to 50wt% of a first linear low density polyethylene polymer having a density greater than 0.925g/cc and an I 2 lower than 2g/10 min; and from 80 to 50wt% of a second linear low density polyethylene polymer having a density lower than or equal to 0.925g/cc and an I 2 greater than or equal to 2g/10min; wherein the first polyethylene composition has an I 2 from 0.5 to 10g/10min and a density from 0.910 to 0.940g/cc is provided.
摘要翻译：第一取向膜，其包含第一聚乙烯组合物，其包含：20至50wt％的密度大于0.925g / cc且I2低于2g / 10min的第一线性低密度聚乙烯聚合物; 和80至50重量％的密度低于或等于0.925g / cc且I2大于或等于2g / 10min的第二线性低密度聚乙烯聚合物; 其中所述第一聚乙烯组合物具有0.5至10g / 10min的I 2和0.910至0.940g / cc的密度。

2. 发明申请

WO2015157939A1 SHRINK FILMS WITH HIGH TEAR RESISTANCE, AND METHODS OF MAKING THEREOF 审中-公开
标题翻译：具有高耐磨性的收缩膜及其制造方法
公开(公告)号：WO2015157939A1
公开(公告)日：2015-10-22
申请号：PCT/CN2014/075491
申请日：2014-04-16
申请人： DOW GLOBAL TECHNOLOGIES LLC , PAN, Jianping , LIN, Yijian , YUN, Xiaobing , DEMIRORS, Mehmet
发明人： PAN, Jianping , LIN, Yijian , YUN, Xiaobing , DEMIRORS, Mehmet
IPC分类号： B32B27/32 , B29C55/12 , C08L23/04
CPC分类号： 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
摘要： 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 ℃ and 95.0 ℃ as determined by Crystallization Elution Fractionation(CEF), and has a density ranging from 0.915 to 0.940g/cc, and wherein the film is biaxially-oriented.
摘要翻译：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0.915至0.940g的密度 / cc，并且其中所述膜是双轴取向的。

3. 发明申请

WO2019133372A1 MULTIMODAL ETHYLENE-BASED POLYMER PROCESSING SYSTEMS AND METHODS 审中-公开
公开(公告)号：WO2019133372A1
公开(公告)日：2019-07-04
申请号：PCT/US2018/066462
申请日：2018-12-19
申请人： MUNJAL, Sarat , KOLTHAMMER, Brian W. , DEMIRORS, Mehmet , TURNER, Michael D. , GAUBERT, Joshua B. , LIN, Yijian
发明人： MUNJAL, Sarat , DEMIRORS, Mehmet , TURNER, Michael D. , GAUBERT, Joshua B. , LIN, Yijian
IPC分类号： C08F210/16 , C08F4/659 , C08F2/00 , C08L23/08
CPC分类号： C08L23/0815 , C08F4/65908 , C08F4/65912 , C08F210/16 , C08L2205/025 , C08L2205/03 , C08L2308/00 , C08L2314/02 , C08F4/65904 , C08F4/64193 , C08F4/6555 , C08F2/001 , C08F2/06 , C08F210/14 , C08F2500/04 , C08F2500/05 , C08F2500/12
摘要： Embodiments of methods for producing a trimodal polymer in a solution polymerization process comprise three solution polymerization reactors organized in parallel or in series.

4. 发明申请

WO2022036672A1 MELTBLOWN NONWOVENS HAVING HIGH VOLUME RESISTIVITY AND ARTICLES THEREOF 审中-公开
公开(公告)号：WO2022036672A1
公开(公告)日：2022-02-24
申请号：PCT/CN2020/110449
申请日：2020-08-21
申请人： DOW GLOBAL TECHNOLOGIES LLC , HUANG, Xin , YANG, Yunfeng , REN, Shijie , LIN, Yijian , YU, Haiyang , LI, Jingya
发明人： HUANG, Xin , YANG, Yunfeng , REN, Shijie , LIN, Yijian , YU, Haiyang , LI, Jingya
IPC分类号： D01F6/30 , D04H1/4291 , D04H1/54 , C08F210/16
摘要： Provided are meltblown nonwovens, and articles thereof. The meltblown nonwovens can be formed form a composition comprising an ethylene/alpha-olefin interpolymer and specific additive. The meltblown nonwovens according to embodiments disclosed herein exhibit a high volume resistivity and can be used in filtration applications.

5. 发明申请

WO2018045559A1 MULTILAYER FILMS AND LAMINATES AND ARTICLES COMPRISING THE SAME 审中-公开
标题翻译：多层膜和叠层板以及包含它们的制品
公开(公告)号：WO2018045559A1
公开(公告)日：2018-03-15
申请号：PCT/CN2016/098578
申请日：2016-09-09
申请人： DOW GLOBAL TECHNOLOGIES LLC , PAN, Jianping , YUN, Xiao Bing , LIN, Yijian , CONG, Rongjuan
发明人： PAN, Jianping , YUN, Xiao Bing , LIN, Yijian , CONG, Rongjuan
IPC分类号： B32B27/32 , B32B27/08
摘要： Embodiments relate to biaxially oriented, multilayer polyethylene films and to laminates and articles formed therefrom. In one aspect, a biaxially oriented, multilayer polyethylene film comprises Layer A which is a sealant layer having a top facial surface and a bottom facial surface and comprising a first polyethylene, wherein the first polyethylene has a density of at least 0.900 g/cm3, an IHDF>95 of 20-60 kg/mol, and a MWHDF>95 of greater than 130 kg/mol, wherein Layer A comprises at least 50 weight percent of the first polyethylene based on the weight of Layer A, and Layer B having a top facial surface and a bottom facial surface, wherein Layer B comprises one or more additional polyethylenes, and wherein the top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A, wherein the density of the first polyethylene is at least 0.002 g/cm3 less than the density of Layer B.
摘要翻译：实施方式涉及双轴取向的多层聚乙烯膜和由其形成的层压体和制品。在一个方面，双轴取向的多层聚乙烯膜包含层A，其是具有顶部面部表面和底部面部表面并且包含第一聚乙烯的密封剂层，其中第一聚乙烯的密度为至少0.900g / cm 3， 20-60kg / mol的IHDF＆gt;和大于130kg / mol的MWHDF＆gt; 95，其中层A包含基于层A的重量的至少50重量％的第一聚乙烯，层B具有顶部面部表面和底部面部表面，其中层B包含一种或多种另外的聚乙烯，并且其中层B的顶部面部表面与层A的底部面部表面粘附接触，其中第一聚乙烯的密度为比B层的密度小至少0.002g / cm3。

6. 发明申请

WO2021120146A1 A CLEANSING WIPE FORMED FROM A NONWOVEN INCLUDING ETHYLENE/ALPHA-OLEFIN INTERPOLYMERS 审中-公开
公开(公告)号：WO2021120146A1
公开(公告)日：2021-06-24
申请号：PCT/CN2019/126868
申请日：2019-12-20
申请人： DOW GLOBAL TECHNOLOGIES LLC , PERFORMANCE MATERIALS NA, INC. , HUANG, Xin , REN, Shijie , LIN, Yijian , DUN, Jozef J. I. Van
发明人： HUANG, Xin , REN, Shijie , LIN, Yijian , DUN, Jozef J. I. Van
IPC分类号： D01F6/30 , D04H1/4291 , C08F210/16 , C08F4/6592
摘要： A cleansing wipe may be formed from a nonwoven and includes a first ethylene/alpha-olefin interpolymer and a second ethylene/alpha-olefin interpolymer. The cleansing wipe may also have a SaMbSc configuration, wherein the M, meltblown layer, is formed from the first ethylene/alpha-olefin interpolymer and the second ethylene/alpha-olefin interpolymer. The cleansing wipe may be formed a nonwoven comprising bicomponent fibers that incorporate the first ethylene/alpha-olefin interpolymer and the second ethylene/alpha-olefin interpolymer.

7. 发明申请

WO2021226300A1 BICOMPONENT FIBERS INCLUDING ETHYLENE/ALPHA-OLEFIN INTERPOLYMERS 审中-公开
公开(公告)号：WO2021226300A1
公开(公告)日：2021-11-11
申请号：PCT/US2021/031010
申请日：2021-05-06
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： LIN, Yijian , ZHANG, Lanhe , WEVERS, Ronald , ARTEAGA LARIOS, Fabricio
IPC分类号： D01D5/34 , D01F8/06 , C08L23/08 , D04H3/007
摘要： Provided are bicomponent fibers. The bicomponent fiber comprises a first region and a second region. The first region comprises a first ethylene/alpha-olefin interpolymer, and the second region comprises a second ethylene/alpha-olefin interpolymer. The first ethylene/alpha-olefin interpolymer has a highest peak melting temperature (Tm) less than 130˚C and at least 3.5˚C greater than a highest peak melting temperature of the second ethylene/alpha-olefin interpolymer. The bicomponent fibers can be used for forming nonwovens that in aspect have improved tensile strength, elongation at break, and/or abrasion resistance.

8. 发明申请

WO2016099657A1 LOW HAZE POLYETHYLENE POLYMER COMPOSITIONS 审中-公开
标题翻译：低沸点聚乙烯聚合物组合物
公开(公告)号：WO2016099657A1
公开(公告)日：2016-06-23
申请号：PCT/US2015/057137
申请日：2015-10-23
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： DEMIRORS, Mehmet , BILGEN, Mustafa , LIN, Yijian
IPC分类号： C08L23/06
CPC分类号： 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
摘要： Embodiments of a polyethylene polymer blend having a melt index (l 2 ) 0.950 g/cm3, a melt index (l 2 ) 10 /I 2 ) ≤ 9, and a molecular weight distribution (MWD) of about 2 to about 5; and further comprises about 1% to about 20% by wt. of at least one low density polyethylene resin (LDPE) having a density 2 ) of about 0.1 to about 10 g/min, and an MWD > 3.
摘要翻译：提供熔体指数（12）<2g / 10min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％的密度> 0.950g / cm 3，熔体指数（12）<4g / 10分钟的至少一种高密度聚乙烯树脂（HDPE）熔体流动比（I10 / I2）≤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0.930g / cm3，熔体指数（l2）为约0.1至约10g / min，MWD≥3的低密度聚乙烯树脂（LDPE）。

9. 发明申请

WO2014058659A1 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：WO2014058659A1
公开(公告)日：2014-04-17
申请号：PCT/US2013/062822
申请日：2013-10-01
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： WANG, Jian , KAPUR, Mridula , LIN, Yijian , EFFLER, Lawrence J. , TAMBLING, Troy M. , REIB, Robert N.
IPC分类号： C08L23/04
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。

10. 发明申请

WO2020106798A1 METHOD OF MANUFACTURE OF CURLY FIBERS 审中-公开
公开(公告)号：WO2020106798A1
公开(公告)日：2020-05-28
申请号：PCT/US2019/062337
申请日：2019-11-20
申请人： DOW GLOBAL TECHNOLOGIES LLC
发明人： GARG, Akanksha , CHEN, Yinglong , LIN, Yijian , BISWAS, Sanjib , VALAVALA, Pavan Kumar , LARIOS, Fabricio Arteaga , MARTIN, Jill
IPC分类号： D01D5/22 , D01D5/30 , D01F8/06
摘要： A process comprising forming fibers having at least a first region and a second region wherein the first region comprises an ethylene/alpha olefin interpolymer composition characterized by: density in the range of 0.930 to 0.965 g/cm 3 ; melt index (I2) in the range of from 10 to 60 g/10 minutes; molecular weight distribution in the range of from 1.5 to 2.6; tan delta at 1 radian/second of at least 45; a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure; and full width at half maximum of the high temperature peak is less than 6.0 °C and stretching the fibers to an elongation of at least 20% thereby increasing curl of the fiber. The process may further include forming a non-woven from the fibers and the stretching of the fibers may occur before or after forming of the non-woven.

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