公开(公告)号：US20240025164A1

公开(公告)日：2024-01-25

申请号：US18256498

申请日：2021-12-08

Applicant: Dow Global Technologies LLC

Inventor： Eva-Maria Kupsch

IPC: B32B27/32 ,  B32B27/08 ,  B32B7/12 ,  B32B7/02

CPC classification number: B32B27/32 ,  B32B27/08 ,  B32B7/12 ,  B32B7/02 ,  B32B2307/72 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2250/242 ,  B32B2553/00 ,  B32B2307/514

Abstract: According to one or more embodiments presently disclosed herein, a multilayer structure may include an oriented film and a sealant layer. The oriented film may include at least 90% by weight polyethylene. The sealant layer may include from 15 wt. % to 40 wt. % of a low density polyethylene based on the total weight of the sealant layer. The sealant layer may further include (a) from 60 wt. % to 85 wt. % of an ethylene-based elastomer based on the total weight of the sealant layer, or (b) from 60 wt. % to 85 wt. % of a propylene-based plastomer based on the total weight of the sealant layer.

公开(公告)号：US20240017535A1

公开(公告)日：2024-01-18

申请号：US18256234

申请日：2021-12-08

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Eva-Maria Kupsch

IPC: B32B27/32 ,  B32B27/08

CPC classification number: B32B27/32 ,  B32B27/08 ,  B32B2307/518 ,  B32B2307/31 ,  B32B2270/00 ,  B32B2250/242 ,  B32B2307/72 ,  B32B2553/00 ,  B29C48/154

Abstract: According to one or more embodiments presently disclosed herein, a multilayer structure may include a biaxially oriented film and a sealant layer. The biaxially oriented film may include at least 90% by weight of polypropylene. The sealant layer may be on the biaxially oriented polypropylene film. The sealant layer may include from 15 to 40 percent by weight of a low density polyethylene based on the total weight of the sealant layer. The sealant layer may additionally include from 60 to 85 percent by weight of a propylene-based plastomer based on the total weight of the sealant layer. The propylene-based plastomer may have a density of 0.890 g/cm3 or less and a melt flow rate (at 230° C. and 2.16 kg) of at least 8 g/10 minutes.

公开(公告)号：US20220275180A1

公开(公告)日：2022-09-01

申请号：US17631107

申请日：2020-07-30

Applicant: Dow Global Technologies LLC

Inventor： Jong Young Lee ,  Yifan Dong ,  Barry Alan Morris ,  Teresa P. Karjala ,  Eva-Maria Kupsch

IPC: C08L23/06 ,  C08L23/08 ,  C08L33/08 ,  C09D123/06 ,  C09D123/08 ,  C09D133/10 ,  C09D133/08 ,  C08L33/10

Abstract: Polymer blends, films, and coated substrates that include the polymer blends. The polymer blends include at least 90% by weight low density polyethylene polymer and from 1 to 10% by weight ionomer. The LDPE polymer has a melt index (I2)from 2 g/10 mins to 6 g/10 mins, and a molecular weight distribution from 5 to 11 as determined by a conventional gel permeation chromatography method. The ionomer includes an ethylene acid copolymer, in which from 15% to 70% of acid groups are neutralized by sodium cation based on the total number of acid groups in the acid copolymer. The ethylene acid copolymer is the polymerized reaction product of: at least 50% by wt. ethylene, from 2 wt. % to 40 wt. % of monocarboxylic acid monomer, and from 0 to 20 wt. % of alkyl acrylate, based on the total wt. % of the monomers present in the ethylene acid copolymer.

公开(公告)号：US12195610B2

公开(公告)日：2025-01-14

申请号：US17631107

申请日：2020-07-30

Applicant: Dow Global Technologies LLC

Inventor： Jong Young Lee ,  Yifan Dong ,  Barry Alan Morris ,  Teresa P. Karjala ,  Eva-Maria Kupsch

IPC: C08L23/06 ,  C08L23/08 ,  C08L33/08 ,  C08L33/10 ,  C09D123/06 ,  C09D123/08 ,  C09D133/08 ,  C09D133/10

Abstract: Polymer blends, films, and coated substrates that include the polymer blends. The polymer blends include at least 90% by weight low density polyethylene polymer and from 1 to 10% by weight ionomer. The LDPE polymer has a melt index (I2)from 2 g/10 mins to 6 g/10 mins, and a molecular weight distribution from 5 to 11 as determined by a conventional gel permeation chromatography method. The ionomer includes an ethylene acid copolymer, in which from 15% to 70% of acid groups are neutralized by sodium cation based on the total number of acid groups in the acid copolymer. The ethylene acid copolymer is the polymerized reaction product of: at least 50% by wt. ethylene, from 2 wt. % to 40 wt. % of monocarboxylic acid monomer, and from 0 to 20 wt. % of alkyl acrylate, based on the total wt. % of the monomers present in the ethylene acid copolymer.

公开(公告)号：US10471688B2

公开(公告)日：2019-11-12

申请号：US14424744

申请日：2013-03-15

Applicant: Dow Brasil Indústria e Comércio de Produtos Químicos Ltda. ,  Dow Global Technologies LLC

Inventor： Eva-Maria Kupsch ,  Didem Oner-Deliormanli ,  Marlos Giuntini De Oliveira ,  Ashish Batra

IPC: B32B27/08 ,  B32B7/12 ,  B32B27/30 ,  B32B27/32 ,  B32B27/36 ,  B32B7/02 ,  C08L23/06 ,  C08L23/36 ,  C08L33/08 ,  C08L23/20 ,  C08L33/06 ,  C08L33/02 ,  C08L23/08 ,  C09J123/08 ,  C09J133/06 ,  C09J133/08 ,  C09J133/02 ,  C09J7/35

Abstract: The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester and/or a polylactic acid; and wherein the second layer is formed from a second composition comprising at least the following: A) a functionalized ethylene-based polymer, and B) at least one ethylene/alkylacrylate copolymer.

公开(公告)号：US20150217544A1

公开(公告)日：2015-08-06

申请号：US14425400

申请日：2013-09-13

Applicant: Dow Global Technologies LLC

Inventor： Yushan Hu ,  Burcak Conley ,  Kim L. Walton ,  Colin Li Pi Shan ,  Gary R. Marchand ,  Rajen M. Patel ,  Eva-Maria Kupsch ,  Brian W. Walther

IPC: B32B27/08 ,  B32B27/32 ,  B32B27/34

CPC classification number: B32B27/08 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/34 ,  B32B2250/03 ,  B32B2250/40 ,  B32B2274/00 ,  B32B2307/31 ,  B32B2307/7244 ,  B32B2307/734 ,  B32B2307/738 ,  B32B2439/70 ,  Y10T428/31757 ,  Y10T428/31913

Abstract: Disclosed are multilayer structures comprising a polyolefin layer, a tie layer and a barrier layer wherein the tie layer is a formulation comprising a crystalline block copolymer composite (CBC) comprising i) an ethylene polymer (EP) comprising at least 90 mol % polymerized ethylene; ii) an alpha-olefin-based crystalline polymer (CAOP) and iii) a block copolymer comprising (a) an ethylene polymer block comprising at least 90 mol % polymerized ethylene and (b) a crystalline alpha-olefin block (CAOB).

Abstract translation: 公开了包含聚烯烃层，连结层和阻挡层的多层结构，其中连接层是包含结晶嵌段共聚物复合物（CBC）的制剂，其包含i）包含至少90mol％聚合的乙烯的乙烯聚合物（EP） ii）基于α-烯烃的结晶聚合物（CAOP）和iii）包含（a）包含至少90mol％聚合的乙烯和（b）结晶α-烯烃嵌段（CAOB））的乙烯聚合物嵌段的嵌段共聚物。

公开(公告)号：US20210276305A1

公开(公告)日：2021-09-09

申请号：US16332450

申请日：2017-10-11

Applicant: Dow Global Technologies LLC

Inventor： Yushan Hu ,  Eva-Maria Kupsch

IPC: B32B15/085 ,  B32B27/32 ,  B32B15/20 ,  B32B27/08

Abstract: Embodiments of the present invention relate to multilayer structures, packages formed therefrom, and methods of preparing multilayer structures. In one aspect, a multilayer structure comprises a polyolefin layer which is Layer A, a tie layer which is Layer B, and a barrier layer which is Layer C, each layer having opposing facial surfaces. In some embodiments of the multilayer structure: Layer A has a top facial surface and a bottom facial surface and comprises polypropylene; Layer B has a top facial surface and a bottom facial surface and comprises: a) a crystalline block copolymer composite (CBC) comprising: i) a crystalline ethylene based polymer (CEP) comprising at least 90 mol % polymerized ethylene; ii) an alpha-olefin-based crystalline polymer (CAOP); and iii) a block copolymer comprising (a) a crystalline ethylene block (CEB) comprising at least 90 mol % polymerized ethylene and (b) a crystalline alpha-olefin block (CAOB); b) maleic anhydride grafted polyethylene or maleic anhydride grafted polypropylene; and, c) low density polyethylene; and, Layer C comprises a metal foil and has a top facial layer and a bottom facial surface, the top facial surface of Layer C being in adhering contact with the bottom facial surface of Layer B, and the top facial surface of Layer B being in adhering contact with the bottom facial surface of Layer A.

公开(公告)号：US11111322B2

公开(公告)日：2021-09-07

申请号：US16631480

申请日：2018-07-13

Applicant: Dow Global Technologies LLC

Inventor： Cornelis F. J. Den Doelder ,  Nhi T. Y. Dang ,  Eva-Maria Kupsch ,  Edward L. Lee

IPC: C08F110/02 ,  B29C48/02 ,  C08L23/06 ,  B29C48/154 ,  C08F4/38

Abstract: A polyethylene homopolymer comprising the following properties: a) a melt index (I2) from 1.0 to 3.5 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)≥A+B(I2), where A=3.20×105 g/mole, and B=−8.00×103 (g/mole)/(dg/min); c) a Mw(abs) versus I2 relationship: Mw(abs)≤C+D(I2), where C=3.90×105 g/mole, and D=−8.00×103 (g/mole)/(dg/min).

公开(公告)号：US10472513B2

公开(公告)日：2019-11-12

申请号：US15740500

申请日：2016-06-20

Applicant: Dow Global Technologies LLC

Inventor： Varun Thakur ,  Stefan Ultsch ,  Jouko Vyoerykkae ,  Jozef J. Van Dun ,  Eva-Maria Kupsch

IPC: C08L53/00 ,  C08L23/08 ,  C08L51/06 ,  C08L33/02 ,  C08K3/016 ,  C08K3/22

Abstract: The present disclosure provides a composition. In an embodiment, the composition includes A) an ethylene/acrylate interpolymer or an ethylene/acetate interpolymer; B) an ethylene/α-olefin multi-block copolymer; and C) a flame retardant. In an embodiment, the ethylene/acrylate interpolymer is a functionalized ethylene/acrylate interpolymer. The present composition exhibits improved dirt pick-up resistance.

公开(公告)号：US20190001636A1

公开(公告)日：2019-01-03

申请号：US15752394

申请日：2016-09-09

Applicant: Dow Global Technologies LLC

Inventor： Eva-Maria Kupsch ,  Yushan Hu

IPC: B32B27/08 ,  B32B27/36 ,  B32B27/34 ,  B32B27/30 ,  B32B27/32 ,  B65D65/40

Abstract: Embodiments of the present invention relate to multilayer films, packages formed therefrom, and methods of preparing multilayer films. In one aspect, a multilayer film comprises a coextruded, multilayer film comprising at least five layers in which Layer A is a skin layer, Layer B is a tie layer, Layer C is a barrier layer, Layer D is a second tie layer, and Layer E is polyolefin, each layer having opposing facial surfaces and arranged in the order A/B/C/D/E. Layer A comprises polyethylene terephthalate, Layer C comprises polyamide or ethylene vinyl alcohol, and Layer E comprises polypropylene or polyethylene.