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公开(公告)号：WO2021118739A1
公开(公告)日：2021-06-17
申请号：PCT/US2020/059925
申请日：2020-11-11
发明人： HAUSMANN, Karlheinz , ALABOSON, Justice , WANG, Jian , GLAD, Brayden E. , WEVERS, Ronald , BISWAS, Sanjib , HEITSCH, Andrew T. , KAPUR, Mridula Babli , ONER-DELIORMANLI, Didem , GAUBERT, Joshua B. , WILLIAMSON, Alexander , DEMIRORS, Mehmet
摘要： 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.
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公开(公告)号：WO2021026134A1
公开(公告)日：2021-02-11
申请号：PCT/US2020/044856
申请日：2020-08-04
发明人： ALABOSON, Justice , BISWAS, Sanjib , GAUBERT, Joshua B. , GINGER, Douglas S. , KALIHARI, Vivek , KAPUR, Mridula , KARDOS, Lori L. , MAZZOLA, Nicolas Cardoso , OLAJIDE, JR., Francis O. , ONER-DELIORMANLI, Didem , RUIZ, Jose Eduardo
摘要： Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising a polyethylene composition having a density of 0.924 g/cm 3 to 0.936 g/cm 3 and a melt index (I 2 ) of 0.25 g/10 minutes to 2.0 g/10 minutes, a second layer comprising a first polyolefin, a third layer comprising a second polyolefin. The first layer may be positioned between the second layer and the third layer. The first polyolefin and the second polyolefin may be the same or different.
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公开(公告)号：WO2020106797A1
公开(公告)日：2020-05-28
申请号：PCT/US2019/062336
申请日：2019-11-20
发明人： DEMIRORS, Mehmet , LARIOS, Fabricio Arteaga , KAPUR, Mridula , FONTAINE, Philip P. , GILLESPIE, David T. , LIN, Yijian , ZHANG, Lanhe , BISWAS, Sanjib , ALVAREZ, Eduardo , STOILJKOVIC, Aleksandar , PATEL, Rajen M.
IPC分类号： D04H1/4291 , D04H3/007
摘要： A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt.% of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm 3 , a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (M w(GPC) /M n(GPC) ) as determined by GPC of from 1.5 to 2.6, a 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 a full width at half maximum of the high temperature peak is less than 6.0 °C.
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公开(公告)号：WO2022164518A1
公开(公告)日：2022-08-04
申请号：PCT/US2021/062637
申请日：2021-12-09
发明人： BISWAS, Sanjib , DEGROOT, Jacquelyn A. , DEMIRORS, Mehmet , SPIEKERMANN, Erica , NAUMOVITZ, John A. , GINGER, Douglas S. , MEKAP, Dibyaranjan
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 40C to 75C 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 40C to 75C, and where the first polyethylene fraction area comprises from 45% 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 85C to 110C in the elution profile, where a second polyethylene area fraction is an area in the elution profile from 85C to 110C, and where the second polyethylene fraction area comprises from 15% to 35% of the total area of the elution profile, wherein the polyethylene composition has a density of 0.905 g/cm3 to 0.918 g/cm3, a melt index (I2) of 0.7 g/10 minutes to 3.5 g/10 minutes, and wherein the composition has a melt index ratio ( I10/I2) that meets the following equation: I10/I2
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公开(公告)号：WO2021026139A1
公开(公告)日：2021-02-11
申请号：PCT/US2020/044862
申请日：2020-08-04
发明人： RODRIGUEZ CAMELO, Jorge Mario , DE OLIVEIRA, Marlos Guintini , MAZZOLA, Nicolas Cardoso , BISWAS, Sanjib , GAUBERT, Joshua B. , GINGER, Douglas S. , KAPUR, Mridula , ONER-DELIORMANLI, Didem , DEMIRORS, Mehmet
摘要： Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising a first polyolefin, a second layer comprising a second polyolefin, a third layer comprising a third polyolefin, fourth layer comprising a fourth polyolefin, and a fifth layer comprising a fifth polyolefin. The second layer may be positioned between the first layer and the third layer; the third layer may be positioned between the second layer and the fourth layer; and the fourth layer may be positioned between the third layer and the fifth layer. Two or more of the first polyolefin, second polyolefin, third polyolefin, and fourth polyolefin may be the same or different. The third polyolefin may be a polyethylene composition having a density of 0.924 g/cm 3 to 0.936 g/cm 3 and a melt index (I 2 ) of 0.25 g/10 minutes to 2.0 g/10 minutes.
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公开(公告)号：WO2020106800A1
公开(公告)日：2020-05-28
申请号：PCT/US2019/062339
申请日：2019-11-20
发明人： CHEN, Yinglong , GARG, Akanksha , LIN, Yijian , BISWAS, Sanjib , WEINHOLD, Jeffrey D. , VALAVALA, Pavan Kumar , LARIOS, Fabricio Arteaga , MARTIN, Jill , ONER-DELIORMANLI, Didem , DEMIRORS, Mehmet
摘要： Disclosed is a curly fiber having a fiber centroid and comprising a first region having a first centroid and a second region wherein the first region comprises an ethylene/alpha olefin interpolymer composition in an amount of at least 75 weight percent based on total weight of the first region and wherein the ethylene/alpha olefin interpolymer composition is characterized by a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0 °C and the second region is a material comprising a polymer which is different from the ethylene/alpha-olefin interpolymer of the first region and wherein the regions are arranged such that at least one of the first centroid and the second centroid is not the same as the fiber centroid.
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7.发明申请
公开(公告)号：WO2021026141A1
公开(公告)日：2021-02-11
申请号：PCT/US2020/044864
申请日：2020-08-04
发明人： BITINIS, Georgia Natacha Eftalie , CARBONELL, Albert , SANDKUEHLER, Peter Hermann Roland , BISWAS, Sanjib , DEMIRORS, Mehmet , GAUBERT, Joshua B. , GINGER, Douglas S. , KAPUR, Mridula , ONER-DELIORMANLI, Didem
摘要： Embodiments of multilayer films are disclosed comprising a first layer comprising polyethylene, a second layer comprising a first medium density polyethylene; a barrier layer; a third layer comprising a second medium density polyethylene; and a fourth layer comprising polyethylene. The second layer may be positioned between the first layer and the barrier layer. The barrier layer may be positioned between the second layer and the third layer.
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8.发明申请
公开(公告)号：WO2021026137A1
公开(公告)日：2021-02-11
申请号：PCT/US2020/044860
申请日：2020-08-04
发明人： ALABOSON, Justice , BISWAS, Sanjib , GAUBERT, Joshua B. , GINGER, Douglas S. , KALIHARI, Vivek , KAPUR, Mridula , ONER-DELIORMANLI, Didem
IPC分类号： B32B27/08 , B32B27/30 , B32B27/32 , B32B2250/242 , B32B2270/00 , B32B2307/30 , B32B2307/538 , B32B2307/544 , B32B2307/546 , B32B2307/558 , B32B2307/581 , B32B2307/724 , B32B2439/70 , B32B27/306
摘要： Multilayer films having a layer including a medium density polyethylene having (a) a first polyethylene fraction having a single peak in a temperature range of 45 °C to 87 °C in an elution profile via improved comonomer composition distribution (iCCD); and (b) a second polyethylene fraction having a single peak in a temperature range of 95 °C to 120 °C via iCCD analysis. The polyethylene composition has a density of 0.924 g/cm3 to 0.936 g/cm3 and a melt index (I2) of 0.25 g/10 minutes to 2.0 g/10 minutes, a first polyethylene fraction area comprises at least 40% of the total area of the elution profile, a ratio of the first polyethylene fraction area to the second polyethylene fraction area is 0.75 to 2.5, and the width of the single peak of the second polyethylene fraction at 50 percent peak height is less than 5.0 °C.
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公开(公告)号：WO2021026135A1
公开(公告)日：2021-02-11
申请号：PCT/US2020/044857
申请日：2020-08-04
发明人： BISWAS, Sanjib , GINGER, Douglas S. , DEMIRORS, Mehmet , GAUBERT, Joshua B. , KAPUR, Mridula , ONER-DELIORMANLI, Didem
摘要： According to one or more embodiments, a polyethylene composition that is suitable for packaging applications may include a first polyethylene fraction and a second polyethylene fraction. The first polyethylene fraction may have a single peak in a temperature range of 45 ̊C to 87 ̊C in an elution profile via the improved comonomer composition distribution (iCCD) analysis method. The second polyethylene fraction may have a single peak in a temperature range of 95 ̊C to 120 ̊C in the elution profile via iCCD analysis. Additional embodiments disclosed herein include articles and films comprising the polyethylene compositions described herein.
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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
发明人： GARG, Akanksha , CHEN, Yinglong , LIN, Yijian , BISWAS, Sanjib , VALAVALA, Pavan Kumar , LARIOS, Fabricio Arteaga , MARTIN, Jill
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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