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11.发明申请公开(公告)号：US20200079883A1
公开(公告)日：2020-03-12
申请号：US16465927
申请日：2017-11-11
Applicant: Dow Global Technologies LLC
Inventor： Brian Walther , Santosh S. Bawiskar , Jianping Pan
IPC: C08F2/04 , C08F2/01 , C08F210/16 , C08J3/00
Abstract: A process to form a polymer composition comprising an ethylene-based polymer and a functionalized ethylene-based polymer, said process comprising the steps described herein, which include passing a polymer melt through at least one static mixer, and wherein the functionalized ethylene-based polymer, in melt form, is introduced into the polymer melt, before the polymer melt enters the static mixer.
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公开(公告)号：US20170029583A1
公开(公告)日：2017-02-02
申请号：US15302967
申请日：2014-04-09
Applicant: Dow Global Technologies LLC
Inventor： Yijian Lin , Mehmet Demirors , Jianping Pan , Xiao B. Yun
Abstract: A first oriented film comprising a first polyethylene composition which comprises: from 20 to 50 wt % of a first linear low density polyethylene polymer having a density greater than 0.925 g/cc and an I2 lower than 2 g/10 min; and from 80 to 50 wt % of a second linear low density polyethylene polymer having a density lower than or equal to 0.925 g/cc and an I2 greater than or equal to 2 g/10 min; wherein the first polyethylene composition has an 12 from 0.5 to 10 g/10 min and a density from 0.910 to 0.940 g/cc is provided.
Abstract translation: 一种包含第一聚乙烯组合物的第一取向膜，其包含：20至50重量％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12和0.910至0.940g / cc的密度。
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13.发明授权公开(公告)号：US12215214B2
公开(公告)日：2025-02-04
申请号：US17631150
申请日：2020-07-27
Applicant: Dow Global Technologies LLC
Inventor： Yifan Y. Dong , Jong Young Lee , Barry A. Morris , Teresa P. Karjala , Jianping Pan , Guihong Liao , I-Hwa Lee , Carmelo Declet Perez , Michael B. Biscoglio
IPC: C08L23/08 , C09D123/06
Abstract: The polymer blend includes at least 90% by weight low density polyethylene (LDPE) polymer and from 1% to 10% by weight acid copolymer based on the total weight of the polymer blend. In the polymer blend, the LDPE polymer has a melt index (I? 2 #191) from 2 g/10 min to 8 g/10 min as determined in accordance with ASTM D1238, and a molecular weight distribution from 5 to 10.5. In the polymer blend, the acid copolymer is a polymerized reaction product of: at least 60% by weight ethylene, based on the total weight of the monomers present in the ethylene acid copolymer; from 1% to 20% by weight monocarboxylic acid monomer, based on the total weight of the monomers present in the ethylene acid copolymer; and from 0 to 20% by weight alkyl acrylate monomer, based on the total weight of the monomers present in the ethylene acid copolymer.
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公开(公告)号：US11648760B2
公开(公告)日：2023-05-16
申请号：US17830602
申请日：2022-06-02
Applicant: Dow Global Technologies LLC
Inventor： Gang Wang , Xiaobing Yun , Jianping Pan , Jingyi Xu
CPC classification number: B32B27/32 , B32B7/03 , B32B27/08 , B32B2250/02 , B32B2250/03 , B32B2250/04 , B32B2250/05 , B32B2250/242 , B32B2307/408 , B32B2307/518 , B32B2439/70
Abstract: A biaxially-oriented polyethylene (BOPE) multilayer film comprises a skin layer with a matte surface and a core, the skin layer with a matte surface comprising, in weight percent (wt %) based upon the weight of the skin layer: (1) from 20 to 80 wt % of an ethylene-based polymer, and (2) from 80 to 20 wt % of a propylene-based polymer; each of the ethylene-based polymer and the propylene-based polymer having a storage modulus, with a difference between the storage modulus of the ethylene-based polymer and the propylene-based polymer of greater than 40 megaPascals (MPa) at 110° C., and greater than 18 MPa at 120° C.
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公开(公告)号：US20230027410A1
公开(公告)日：2023-01-26
申请号：US17787481
申请日：2019-12-20
Applicant: Dow Global Technologies LLC
Inventor： Shenglong Chen , Xiaobing Yun , Jianping Pan , Jingyi Xu , Jianliang Zhu
IPC: B32B15/085 , B32B7/12 , B32B15/088 , B32B15/09 , B32B15/20 , B32B27/08 , B32B27/32 , B32B27/34 , B32B27/36
Abstract: A multilayer laminate (100) comprises an oriented polyethylene film (102), a biaxially oriented film (104) adhered to the oriented polyethylene film (102), a barrier film (106) adhered to the biaxially oriented film (104), and a multilayer polyethylene (PE) film (108) adhered to the barrier film (106). The biaxially oriented film (104) comprises one or more components selected from biaxially oriented polyamide (BOPA), biaxially oriented polyethylene terephthalate (BOPET), and biaxially oriented polypropylene (BOPP).
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Patent Agency Ranking
公开(公告)号：US20210187812A1
公开(公告)日：2021-06-24
申请号：US16620008
申请日：2017-06-09
Applicant: Dow Global Technologies LLC
Inventor： Fengyi Su , Andong Liu , Hongyu Chen , Jianping Pan , Xiao Bing Yun , Thomas Allgeuer , Erqiang Chen , Tipeng Zhao , Guihong Liao
Abstract: The coextruded multilayer film has at least two layers, including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.865 g/cc to 0.930 g/cc and a melt index from 0.5 g/10 min to 25 g/10 min; (B) an unsaturated primary fatty acid amide having a melting point of 100° C. or less; and (C) a saturated primary fatty acid amide having a melting point greater than 100° C. The unsaturated primary fatty acid amide and the saturated primary fatty acid amide have a weight ratio of from 3:1 to 1:6. The second layer contains a second ethylene-based polymer. The present disclosure also provides a laminate containing said sealant layer.
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公开(公告)号：US10457787B2
公开(公告)日：2019-10-29
申请号：US15302967
申请日：2014-04-09
Applicant: Dow Global Technologies LLC
Inventor： Yijian Lin , Mehmet Demirors , Jianping Pan , Xiao B. Yun
IPC: C08L23/06 , C08J5/18 , B32B27/32 , B32B27/08 , B32B27/20 , B32B27/16 , B29C48/08 , B29C48/21 , B29K23/00 , B29C48/00
Abstract: A first oriented film comprising a first polyethylene composition which comprises: from 20 to 50 wt % of a first linear low density polyethylene polymer having a density greater than 0.925 g/cc and an I2 lower than 2 g/10 min; and from 80 to 50 wt % of a second linear low density polyethylene polymer having a density lower than or equal to 0.925 g/cc and an I2 greater than or equal to 2 g/10 min; wherein the first polyethylene composition has an I2 from 0.5 to 10 g/10 min and a density from 0.910 to 0.940 g/cc is provided.
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公开(公告)号：US20230219329A1
公开(公告)日：2023-07-13
申请号：US17998960
申请日：2020-07-30
Applicant: Dow Global Technologies LLC
Inventor： Bo Lv , Xiaobing Yun , Jianping Pan , Jingyi Xu
CPC classification number: B32B27/08 , B32B27/32 , B32B27/36 , B32B27/34 , B32B2255/10 , B32B2255/205 , B32B2255/20 , B32B2250/242
Abstract: A multilayer structure comprising a multilayer polyethylene film and a metal layer is provided, wherein an outer layer of the polyethylene film comprising 200 to 4000 ppm fluoroelastomer processing aid based on the weight of the outer layer, and the metal layer comprising a metal deposited on the outer layer of the polyethylene film. A laminate comprising the multilayer structure and an article comprising the laminate or the multilayer structure are also provided.
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公开(公告)号：US20220288908A1
公开(公告)日：2022-09-15
申请号：US17830602
申请日：2022-06-02
Applicant: Dow Global Technologies LLC
Inventor： Gang Wang , Xiaobing Yun , Jianping Pan , Jingyi Xu
Abstract: A biaxially-oriented polyethylene (BOPE) multilayer film comprises a skin layer with a matte surface and a core, the skin layer with a matte surface comprising, in weight percent (wt %) based upon the weight of the skin layer: (1) from 20 to 80 wt % of an ethylene-based polymer, and (2) from 80 to 20 wt % of a propylene-based polymer; each of the ethylene-based polymer and the propylene-based polymer having a storage modulus, with a difference between the storage modulus of the ethylene-based polymer and the propylene-based polymer of greater than 40 megaPascals (MPa) at 110° C., and greater than 18 MPa at 120° C.
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20.发明申请公开(公告)号：US20220267578A1
公开(公告)日：2022-08-25
申请号：US17631150
申请日：2020-07-27
Inventor： Yifan Y. Dong , Jong Young Lee , Barry A. Morris , Teresa P. Karjala , Jianping Pan , Guihong Liao , I-Hwa Lee , Carmelo Declet Perez , Michael B. Biscoglio
IPC: C08L23/08 , C09D123/06
Abstract: The polymer blend includes at least 90% by weight low density polyethylene (LDPE) polymer and from 1% to 10% by weight acid copolymer based on the total weight of the polymer blend. In the polymer blend, the LDPE polymer has a melt index (I? 2#191) from 2 g/10 min to 8 g/10 min as determined in accordance with ASTM D1238, and a molecular weight distribution from 5 to 10.5. In the polymer blend, the acid copolymer is a polymerized reaction product of: at least 60% by weight ethylene, based on the total weight of the monomers present in the ethylene acid copolymer; from 1% to 20% by weight monocarboxylic acid monomer, based on the total weight of the monomers present in the ethylene acid copolymer; and from 0 to 20% by weight alkyl acrylate monomer, based on the total weight of the monomers present in the ethylene acid copolymer.
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