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1.发明公开公开(公告)号：US20230348703A1
公开(公告)日：2023-11-02
申请号：US17922707
申请日：2021-05-06
发明人： Zengrong Zhang , Fazle Sibtain , Stephen Brown , Monika Kleczek
CPC分类号： C08L23/0815 , B32B27/32 , B32B27/08 , B32B27/34 , C08L2205/025 , C08L2205/03 , C08L2314/06 , B32B2250/24 , B32B2250/05 , B32B2270/00
摘要： This disclosure relates to ethylene interpolymer products comprising a Melt Flow-Intrinsic Viscosity Index value, MFIVI, from ≥0.05 to ≤0.80; a first derivative of a melt flow distribution function, formula (I) at a loading of 4000 g, from >−1.51 to ≤−1.15; a sum of unsaturation, SUMU, from ≥0.005 to
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公开(公告)号：US11584845B2
公开(公告)日：2023-02-21
申请号：US17701385
申请日：2022-03-22
发明人： Soheil Sadeghi , Fazle Sibtain , Zengrong Zhang , Niousha Kazemi , Monika Kleczek , Vinod Konaganti , Bronwyn Gillon , Shivendra Goyal , Sepideh Kasiri , Stephen Salomons , Kenneth Taylor , Mehdi Keshtkar
IPC分类号： C08L23/08 , C08F210/16 , B32B27/32 , C08J5/18 , B32B27/34 , B32B27/08 , C08F4/6592
摘要： This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless nonlinear rheology network parameter, Δint., greater than or equal to 0.01, satisfying 0.01×(Z−50)0.78≤Δint.≤0.01×(Z−60)0.78 inequality wherein Z is a normalized molecular weight defined by Z = M w M e where Mw and Me are the weight average and entanglement molecular weights, and; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.855 to about 0.975 g/cc, a polydispersity, M w M n , from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI50) from about 1% to about 98%.
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公开(公告)号：US20190144649A1
公开(公告)日：2019-05-16
申请号：US15812038
申请日：2017-11-14
发明人： Patrick Lam , Monika Kleczek , Eric Vignola
摘要： This invention relates to barrier films which are prepared from a blend of at least two high density polyethylene (hdpe) resins and a nucleating agent. The films are used to prepare packaging for dry foods such as crackers and breakfast cereals.
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公开(公告)号：US20190135958A1
公开(公告)日：2019-05-09
申请号：US15805268
申请日：2017-11-07
发明人： Niousha Kazemi , Monika Kleczek , Vinod Konaganti , Bronwyn Gillon , Shivendra Kumar Goyal , Fazle Sibtain , Sepideh Kasiri , Stephen Salomons , Kenneth Edward Taylor , Mehdi Keshtkar
IPC分类号： C08F210/16 , C08J5/18 , C08L23/08 , B32B27/32
摘要： This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless Long Chain Branching Factor, LCBF, greater than or equal to 0.001; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium, and; a dimensionless unsaturation ratio, UR, of from ≥−0.40 to ≤0.06, wherein UR is defined by the following relationship; UR=(SCU−TU)/TU, where SCU is the amount of a side chain unsaturation per 100 carbons and TU is amount of a terminal unsaturation per 100 carbons, in said ethylene interpolymer product. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.855 to about 0.975 g/cc, a polydispersity (Mw/Mn) from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI50) from about 1% to about 98%.
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公开(公告)号：US20230235153A1
公开(公告)日：2023-07-27
申请号：US17923267
申请日：2021-04-30
发明人： Patrick Lam , Monika Kleczek , Eric Vignola
IPC分类号： C08L23/06 , C08K5/1539 , C08F110/02 , C08F2/06
CPC分类号： C08L23/06 , C08K5/1539 , C08F110/02 , C08F2/06 , C08L2203/16
摘要： A polyethylene homopolymer composition having a weight average molecular weight Mw, of from 75,000 to 95,000; an Mz of from 200,000 to 325,000; a molecular weight distribution Mw/Mn of from 6 to 12 and a melt index, I2 of from 1.5 to 2.8 grams per 10 minutes can be used to prepare films having a good balance of optical properties and resistance to moisture transmission.
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公开(公告)号：US11312845B2
公开(公告)日：2022-04-26
申请号：US16826689
申请日：2020-03-23
发明人： Soheil Sadeghi , Fazle Sibtain , Zengrong Zhang , Niousha Kazemi , Monika Kleczek , Vinod Konaganti , Bronwyn Gillon , Shivendra Goyal , Sepideh Kasiri , Stephen Salomons , Kenneth Taylor , Mehdi Keshtkar
IPC分类号： C08L23/08 , C08F210/16 , C08F4/6592 , C08J5/18 , B32B27/32 , B32B27/34 , B32B27/08
摘要： This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless nonlinear rheology network parameter, Δint., greater than or equal to 0.01, satisfying 0.01×(Z−50)0.78≤Δint.≤0.01×(Z−60)0.78 inequality wherein Z is a normalized molecular weight defined by Z = M w M e where Mw and Me are the weight average and entanglement molecular weights, and; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.855 to about 0.975 g/cc, a polydispersity, M w M n , from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI50) from about 1% to about 98%.
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公开(公告)号：US11015044B2
公开(公告)日：2021-05-25
申请号：US16556369
申请日：2019-08-30
发明人： Zengrong Zhang , Niousha Kazemi , Stephen Salomons , Monika Kleczek , Mehdi Keshtkar , Brian Molloy , Qinyan Wang , Peter Zoricak , Charles Carter , XiaoChuan Wang , Christopher Dobbin , Fazle Sibtain , Kenneth Taylor , Lawrence VanAsseldonk , Hamidreza Khakdaman
IPC分类号： C08F210/16 , C08J5/18 , C08L23/08 , C08F4/659 , C08F4/6592
摘要： A continuous solution polymerization process is disclosed wherein at least two homogeneous catalyst formulations are employed. A first homogeneous catalyst formulation is employed in a first reactor to produce a first ethylene interpolymer and a second homogeneous catalyst formulation is employed in a second reactor to produce a second ethylene interpolymer. Optionally a third ethylene interpolymer is formed in a third reactor. The resulting ethylene interpolymer products possess desirable properties in a variety of end use applications, for example in film applications. A means for increasing the molecular weight of the first ethylene interpolymer is disclosed and/or a means for increasing the temperature of the first reactor, relative to the third homogeneous catalyst formulation. A means for reducing the (α-olefin/ethylene) weight ratio in the first reactor is disclosed and/or reducing the density of the first ethylene interpolymer, relative to the third homogeneous catalyst formulation.
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公开(公告)号：US10683376B2
公开(公告)日：2020-06-16
申请号：US15805287
申请日：2017-11-07
发明人： Niousha Kazemi , Monika Kleczek , Vinod Konaganti , Bronwyn Gillon , Shivendra Kumar Goyal , Fazle Sibtain , Sepideh Kasiri , Stephen Salomons , Kenneth Edward Taylor , Mehdi Keshtkar
IPC分类号： C08F4/6592 , C08F210/16 , C08J5/18 , B32B27/08 , B32B27/32 , C08F4/659
摘要： This disclosure relates to an improved continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a bridged metallocene catalyst formulation are injected into a first reactor to form a first ethylene interpolymer. Optionally, process solvent, ethylene, optional comonomers, optional hydrogen and a bridged metallocene catalyst formulation are injected into a second reactor forming a second ethylene interpolymer. The first and second reactors may be configured in series or parallel modes of operation. Optionally, a third ethylene interpolymer is formed in a third reactor, wherein a homogeneous catalyst formulation or a heterogeneous catalyst formulation is employed. In solution, the first, optional second and optional third ethylene interpolymers are combined, the catalyst is deactivated, the solution is optionally passivated and following a phase separation process an ethylene interpolymer product is recovered.
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公开(公告)号：US20190135959A1
公开(公告)日：2019-05-09
申请号：US15805287
申请日：2017-11-07
发明人： Niousha Kazemi , Monika Kleczek , Vinod Konaganti , Bronwyn Gillon , Shivendra Kumar Goyal , Fazle Sibtain , Sepideh Kasiri , Stephen Salomons , Kenneth Edward Taylor , Mehdi Keshtkar
IPC分类号： C08F210/16 , C08J5/18
摘要： This disclosure relates to an improved continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a bridged metallocene catalyst formulation are injected into a first reactor to form a first ethylene interpolymer. Optionally, process solvent, ethylene, optional comonomers, optional hydrogen and a bridged metallocene catalyst formulation are injected into a second reactor forming a second ethylene interpolymer. The first and second reactors may be configured in series or parallel modes of operation. Optionally, a third ethylene interpolymer is formed in a third reactor, wherein a homogeneous catalyst formulation or a heterogeneous catalyst formulation is employed. In solution, the first, optional second and optional third ethylene interpolymers are combined, the catalyst is deactivated, the solution is optionally passivated and following a phase separation process an ethylene interpolymer product is recovered.
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公开(公告)号：US20180305531A1
公开(公告)日：2018-10-25
申请号：US15491264
申请日：2017-04-19
发明人： Zengrong Zhang , Niousha Kazemi , Stephen Salomons , Monika Kleczek , Mehdi Keshtkar , Brian Molloy , Qinyan Wang , Peter Zoricak , Charles Carter , XiaoChuan Wang , Christopher Dobbin , Fazle Sibtain , Kenneth Taylor , Lawrence VanAsseldonk , Hamidreza Khakdaman
IPC分类号： C08L23/08 , C08F210/16 , C08J5/18
CPC分类号： C08L23/0815 , C08F4/65908 , C08F4/65912 , C08F4/65927 , C08F210/16 , C08F2410/01 , C08F2410/05 , C08F2420/01 , C08F2800/20 , C08J5/18 , C08J2323/08 , C08J2423/08 , C08L2203/16 , C08L2205/025 , C08L2205/03 , C08L2207/07 , C08L2314/02 , C08L2314/06 , C08F4/6555 , C08F2/001 , C08F210/14 , C08F2500/03 , C08F2500/05 , C08F2500/09 , C08F2500/10 , C08F2500/12 , C08F2500/17 , C08F2500/26 , C08F4/65904 , C08F2500/02 , C08F2500/06
摘要： A continuous solution polymerization process is disclosed wherein at least two catalyst formulations are employed. A first homogeneous catalyst formulation is employed in a first reactor to produce a first ethylene interpolymer and a first heterogeneous catalyst formulation is employed in a second reactor to produce a second ethylene interpolymer. Optionally a third ethylene interpolymer is formed in a third reactor. The resulting ethylene interpolymer products possess desirable properties in a variety of end use applications, for example in film applications. A means for increasing the molecular weight of the first ethylene interpolymer is disclosed and/or a means for increasing the temperature of the first reactor, relative to a third homogeneous catalyst formulation. A means for reducing the (α-olefin/ethylene) weight ratio in the first reactor is disclosed and/or reducing the density of the first ethylene interpolymer, relative to a third homogeneous catalyst formulation.
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