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公开(公告)号：US20200239673A1
公开(公告)日：2020-07-30
申请号：US16639620
申请日：2018-09-14
发明人： Surya Ssubramaniam , Mehmet Demirors , Teresa P. Karjala , Jorge Caminero Gomes , Guillermo A. Raimondi , Davidson Lütkenhaus , Marie De Luján Tricotti
摘要： A method for increasing the melt strength and/or low shear viscosity of a polyethylene resin, the method comprising a) providing a polyethylene composition comprising the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) ranging from 2.6 to 3.5, and from 0.10 to 0.27 vinyl groups per 1,000 total carbon atoms; b) providing a masterbatch composition comprising a free radical generator and a polyethylene resin, wherein the free radical generator has a half-life at 220 C of less than 200 seconds, and a decomposition energy higher than −250 kJ/mol, and wherein the polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.01 g/10 min to 100 g/10 min; and c) reacting the polyethylene composition with the masterbatch composition to form a modified polyethylene composition.
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公开(公告)号：US20190210334A1
公开(公告)日：2019-07-11
申请号：US16331757
申请日：2017-08-30
发明人： Marlos Giuntini De Oliveira , Teresa P. Karjala , Mustafa Bilgen , Jorge Caminero Gomes , Maximiliano Zanetti , Miguel A. Molano Niampira , Jorge Mario Rodriguez Camelo , Camila Do Valle , Guillermo A. Raimondi
CPC分类号： B32B27/08 , B29C48/18 , B29L2009/00 , B32B27/32 , B32B2250/03 , B32B2250/242 , B32B2250/40 , B32B2270/00 , B32B2274/00 , B32B2307/30 , B32B2307/50 , B32B2307/581 , B32B2307/5825 , B32B2307/72 , B32B2307/744 , B32B2439/46 , B32B2553/00 , C08F210/16 , C08F2410/03 , C08F4/685 , C08F4/658 , C08F210/14 , C08F2500/12 , C08F2500/03 , C08F2500/17 , C08F2500/26
摘要： Embodiments disclosed herein include multilayer cast films having a first outer layer, a core layer, and a second outer layer, wherein the first outer layer comprises (a) a linear low density polyethylene (LLDPE), ultra-low density polyethylene (ULDPE), a first polyethylene composition, or combinations of two or more thereof, and (b) polyisobutylene, and the core layer comprises a core layer polyethylene composition.
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公开(公告)号：US10682835B2
公开(公告)日：2020-06-16
申请号：US15764515
申请日：2016-09-09
IPC分类号： B32B7/02 , B32B27/32 , B29C48/10 , B29C48/00 , B29C48/21 , B29C48/88 , B32B27/08 , B29K23/00 , B29L31/00
摘要： A multilayer shrink film comprising a first layer, a second layer, and a third layer, wherein the second layer is positioned between the first layer and the third layer, and wherein the second layer comprises a second polymer blend, the second polymer blend comprising from 0 to 60 wt. %, based on the total polymer weight in the second polymer blend, of a low density polyethylene, and from 40 to 100 wt. %, based on the total polymer weight in the second polymer blend, of an ethylene/α-olefin interpolymer composition having a density in the range of from 0.860 g/cc to 0.910 g/cc, 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, and a Comonomer Distribution Constant (CDC) in the range of from 95 to 200.
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公开(公告)号：US11577494B2
公开(公告)日：2023-02-14
申请号：US16332037
申请日：2017-09-11
发明人： Marlos Giuntini De Oliveira , Teresa P. Karjala , Mustafa Bilgen , Jorge Caminero Gomes , Maximiliano Zanetti , Miguel A. Molano Niampira , Jorge Mario Rodriguez Camelo , Camila Do Valle , Guillermo A. Raimondi
摘要： Embodiments disclosed herein include multilayer films having a cling layer, a core layer, and a release layer, wherein the cling layer comprises a propylene interpolymer and the core layer comprises a core layer polyethylene composition.
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公开(公告)号：US11312120B2
公开(公告)日：2022-04-26
申请号：US16624177
申请日：2018-06-29
发明人： Kaustubh Gupte , Edward L. Lee , Marlos Giuntini De Oliveira , Rajen M. Patel , Guillermo A. Raimondi , Prajwal Shah , Maximiliano Zanetti
摘要： A multilayer shrink film comprising at least one core layer positioned between a first skin layer and a second skin layer, wherein the multilayer shrink film comprising an ethylene/alpha-olefin interpolymer composition and a low density polyethylene.
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公开(公告)号：US10857768B2
公开(公告)日：2020-12-08
申请号：US16331757
申请日：2017-08-30
发明人： Marlos Giuntini De Oliveira , Teresa P. Karjala , Mustafa Bilgen , Jorge Caminero Gomes , Maximiliano Zanetti , Miguel A. Molano Niampira , Jorge Mario Rodriguez Camelo , Camila Do Valle , Guillermo A. Raimondi
摘要： Embodiments disclosed herein include multilayer cast films having a first outer layer, a core layer, and a second outer layer, wherein the first outer layer comprises (a) a linear low density polyethylene (LLDPE), ultra-low density polyethylene (ULDPE), a first polyethylene composition, or combinations of two or more thereof, and (b) polyisobutylene, and the core layer comprises a core layer polyethylene composition.
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公开(公告)号：US20220097348A1
公开(公告)日：2022-03-31
申请号：US16332037
申请日：2017-09-11
发明人： Marlos Giuntini De Oliveira , Teresa P. Karjala , Mustafa Bilgen , Jorge Caminero Gomes , Maximiliano Zanetti , Miguel A. Molano Niampira , Jorge Mario Rodriguez Camelo , Camila Do Valle , Guillermo A. Raimondi
摘要： Embodiments disclosed herein include multilayer films having a cling layer, a core layer, and a release layer, wherein the cling layer comprises a propylene interpolymer and the core layer comprises a core layer polyethylene composition.
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公开(公告)号：US11193009B2
公开(公告)日：2021-12-07
申请号：US16639620
申请日：2018-09-14
发明人： Surya Ssubramaniam , Mehmet Demirors , Teresa P. Karjala , Jorge C. Gomes , Guillermo A. Raimondi , Davidson Lütkenhaus , Marie De Luján Tricotti
摘要： Provided is a method for increasing the melt strength and/or low shear viscosity of a polyethylene resin. The method includes: a) providing a polyethylene composition including the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) ranging from 2.6 to 3.5, and from 0.10 to 0.27 vinyl groups per 1,000 total carbon atoms; b) providing a masterbatch composition including a free radical generator and a polyethylene resin, wherein the free radical generator has a half-life at 220° C. of less than 200 seconds, and a decomposition energy higher than −250 kJ/mol, and wherein the polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.01 g/10 min to 100 g/10 min; and c) reacting the polyethylene composition with the masterbatch composition to form a modified polyethylene composition.
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公开(公告)号：US20200171809A1
公开(公告)日：2020-06-04
申请号：US16624177
申请日：2018-06-29
发明人： Kaustubh Gupte , Edward L. Lee , Marlos Giuntini De Oliveira , Rajen M. Patel , Guillermo A. Raimondi , Prajwal Shah , Maximiliano Zanetti
摘要： A multilayer shrink film comprising at least one core layer positioned between a first skin layer and a second skin layer, wherein the multilayer shrink film comprising an ethylene/alpha-olefin interpolymer composition and a low density polyethylene.
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公开(公告)号：US20180272678A1
公开(公告)日：2018-09-27
申请号：US15764515
申请日：2016-09-09
摘要： A multilayer shrink film comprising a first layer, a second layer, and a third layer, wherein the second layer is positioned between the first layer and the third layer, and wherein the second layer comprises a second polymer blend, the second polymer blend comprising from 0 to 60 wt. %, based on the total polymer weight in the second polymer blend, of a low density polyethylene, and from 40 to 100 wt. %, based on the total polymer weight in the second polymer blend, of an ethylene/α-olefin interpolymer composition having a density in the range of from 0.860 g/cc to 0.910 g/cc, 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, and a Comonomer Distribution Constant (CDC) in the range of from 95 to 200.
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