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

IPC: B32B27/32 ,  B32B7/03 ,  B32B27/08 ,  B32B27/30 ,  B32B27/18 ,  B32B1/00

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.

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).

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

IPC: B29C48/08 ,  B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  B29C48/21 ,  B29C48/10

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.

公开(公告)号：US10538057B2

公开(公告)日：2020-01-21

申请号：US15119141

申请日：2015-02-19

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Fengyi Su ,  Jianping Pan ,  Xiaobing Yun ,  Rajen M. Patel ,  Yushan Hu ,  Yong Chen

IPC: B32B7/12 ,  B29C48/00 ,  B29C48/22 ,  B32B27/08 ,  B32B27/32 ,  B29C55/16 ,  B32B37/10 ,  B65D65/38 ,  B29K23/00 ,  B29L31/00

Abstract: Disclosed herein is a multilayered film comprising a first layer and a second layer; and a tie layer; where the tie layer comprises a crystalline block composite and where the tie layer is disposed between the first layer and the second layer; the first layer being disposed on a first surface of the tie layer; the second layer being disposed on a second surface of the tie layer; where the second surface is opposedly disposed to the first surface; where the multilayered film is biaxially oriented. Disclosed herein too is a method of manufacturing the aforementioned multilayer film.

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.

公开(公告)号：US20230241871A1

公开(公告)日：2023-08-03

申请号：US18003521

申请日：2020-08-27

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Gang Wang ,  Lianjiang Zhao ,  Jingyi Xu ,  Xiaobing Yun ,  Jianping Pan ,  Gaobing Chen ,  Jianliang Zhu

IPC: B32B27/08 ,  B32B7/12 ,  B32B7/03 ,  B32B27/32 ,  B32B37/12

CPC classification number: B32B27/08 ,  B32B7/03 ,  B32B7/12 ,  B32B27/32 ,  B32B37/1207 ,  B32B2037/1223 ,  B32B2307/518

Abstract: Provided are multilayer structures and articles comprising same. The multilayer structure comprises: a biaxially-oriented polyethylene film comprising a skin layer with a matte surface and a core, the core comprising one or more core layers; a sealant film; and an adhesive adhering the sealant film to the matte surface of the skin layer of the biaxially-oriented polyethylene film. The multilayer structure can exhibit an enhanced adhesive bonding force in comparison to other multilayer structures.

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

IPC: B32B27/08 ,  B32B27/32 ,  B32B27/36 ,  B32B27/34

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.

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

IPC: B32B27/32 ,  B32B7/03 ,  B32B27/08

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.

公开(公告)号：US20220267578A1

公开(公告)日：2022-08-25

申请号：US17631150

申请日：2020-07-27

Applicant: Dow Global Technologies LLC ,  PERFORMANCE MATERIALS NA, INC.

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.

公开(公告)号：US20210206928A1

公开(公告)日：2021-07-08

申请号：US17206918

申请日：2021-03-19

Applicant: Dow Global Technologies LLC

Inventor： Yijian Lin ,  Mehmet Demirors ,  Jianping Pan ,  Xiao B. Yun

IPC: C08J5/18 ,  B32B27/32 ,  B32B27/08 ,  B29C48/21 ,  B32B27/20 ,  B29C48/08 ,  B32B27/16 ,  C08L23/06

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 12 lower than 2 g/10min; 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 12 greater than or equal to 2 g/10min; wherein the first polyethylene composition has an 12 from 0.5 to 10 g/10min and a density from 0.910 to 0.940 g/cc is provided.