公开(公告)号：US10967619B2

公开(公告)日：2021-04-06

申请号：US15509224

申请日：2015-09-21

Applicant: Dow Global Technologies LLC

Inventor： Andy C. Chang ,  Jacquelyn A. Degroot ,  Kate R. Brown ,  Aleksandar Stoiljkovic ,  Gert J. Claasen ,  Barbara Bonavoglia ,  Carlos E. Ruiz

IPC: B32B27/32 ,  B29C48/08 ,  B29C48/00 ,  B29C48/21 ,  B32B27/08 ,  B32B5/02 ,  B32B27/12 ,  B29C55/00 ,  B29C55/04 ,  B32B7/02 ,  B32B37/18 ,  B32B38/00 ,  B29K23/00 ,  B29L7/00 ,  B29L9/00

Abstract: A stretch-modified elastomeric multilayer film comprising a core layer comprising a first ethylene-α-olefin block copolymer, wherein the first ethylene-α-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (I2) from 0.5 g/10 min to 5 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, and at least one outer layer independently comprising a second ethylene-α-olefin block copolymer and from 2.5 to 30 wt. % of an antiblock agent, wherein the second ethylene-α-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (I2) from 0.5 g/10 min to 25 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, wherein the density of the first ethylene-α-olefin block copolymer is equal to or greater than the density of the second ethylene-α-olefin block copolymer.

公开(公告)号：US20180281370A1

公开(公告)日：2018-10-04

申请号：US15766404

申请日：2016-11-08

Applicant: Dow Global Technologies LLC ,  Dow Quimica Mexicana S.A.de C.V.

Inventor： Vivek Kalihari ,  Fabricio Arteaga Larios ,  Jacquelyn A. Degroot

IPC: B32B27/32 ,  B32B27/12 ,  B32B5/02 ,  B32B37/30

Abstract: An ultrasonically bonded laminate comprising a monolayer film and a nonwoven substrate at least partially ultrasonically bonded to the monolayer film, wherein the monolayer film comprises a blend of (a) from 50 to 90 wt. % of a linear polyethylene, (b) from 10 to 50 wt. % of polypropylene, and (c) optionally, a low density polyethylene.

公开(公告)号：US20180281369A1

公开(公告)日：2018-10-04

申请号：US15766394

申请日：2016-11-08

Applicant: Dow Global Technologies LLC ,  Dow Quimica Mexicana S.A.de C.V.

Inventor： Vivek Kalihari ,  Fabricio Arteaga Larios ,  Jacquelyn A. Degroot

IPC: B32B27/32 ,  C08J5/18 ,  B32B27/08 ,  B32B27/12 ,  B32B5/02 ,  B29C47/00 ,  B29C47/06

Abstract: A multilayer polyethylene film comprising a core layer, a first outer layer, and a second outer layer, wherein the core layer is positioned between the first outer layer and the second outer layer, the core layer comprises a linear low density polyethylene and, optionally, a first low density polyethylene resin, and the first outer layer and the second outer layer independently comprise a polyethylene resin and, optionally, a second low density polyethylene resin, wherein the density of the linear low density polyethylene is less than the density of the polyethylene resin.

公开(公告)号：US20180223092A1

公开(公告)日：2018-08-09

申请号：US15747917

申请日：2016-07-21

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Jacquelyn A. Degroot ,  Thor E. Gardarsson ,  Lisa S. Madenjian

IPC: C08L53/00 ,  B32B5/02 ,  B32B27/12 ,  B32B27/32 ,  B32B37/15 ,  B32B7/12 ,  B32B27/08

CPC classification number: C08L53/00 ,  B29C48/0018 ,  B29K2023/08 ,  B29K2096/04 ,  B29K2105/0085 ,  B29K2995/0053 ,  B29L2031/4878 ,  B32B5/022 ,  B32B7/12 ,  B32B27/08 ,  B32B27/12 ,  B32B27/28 ,  B32B27/32 ,  B32B37/153 ,  B32B38/0008 ,  B32B2262/00 ,  B32B2262/02 ,  B32B2307/30 ,  B32B2307/51 ,  B32B2307/514 ,  B32B2307/518 ,  B32B2307/732 ,  B32B2307/738 ,  B32B2555/00 ,  B32B2555/02 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025

Abstract: Disclosed herein is a film comprising a polymer blend, the polymer blend comprising a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C. Disclosed herein too is a method of manufacturing a film comprising blending a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole to form a polymer blend; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C.; and forming the polymer blend into a film.

公开(公告)号：US20180222171A1

公开(公告)日：2018-08-09

申请号：US15747913

申请日：2016-07-26

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  Dow Quimica Mexicana S.A. de C.V.

Inventor： Jacquelyn A. Degroot ,  Vivek Kalihari ,  Adriana M. Velasquez ,  Selim Bensason ,  Fabricio Arteaga Larios

IPC: B32B37/00 ,  B32B27/12 ,  B32B5/02 ,  B32B27/08 ,  B32B27/32 ,  B32B38/00 ,  B32B5/26 ,  B32B7/04

CPC classification number: B32B37/0084 ,  B32B5/022 ,  B32B5/26 ,  B32B7/05 ,  B32B27/06 ,  B32B27/08 ,  B32B27/12 ,  B32B27/32 ,  B32B37/0053 ,  B32B38/1875 ,  B32B39/00 ,  B32B2262/0253 ,  B32B2262/12 ,  B32B2305/20 ,  B32B2307/00 ,  B32B2307/51 ,  B32B2307/54 ,  B32B2310/028 ,  B32B2323/00 ,  B32B2555/02

Abstract: Disclosed herein is a multilayer laminate comprising a film comprising an ethylene-based elastomer; a first non-woven layer in contact with a first surface of the film; and a second non-woven layer in contact with a second surface of the film; wherein the second surface of the film is opposedly disposed to the first surface of the film; wherein at least one of the first non-woven layer or the second non-woven layer comprises a non-woven web; and wherein the non-woven web is formed from a bicomponent fiber having a first component comprising an polyethylene-based polymer and a second component comprising a polymer having a melting point that is higher than the polyethylene-based polymer, wherein at least a portion of a surface of the bicomponent fiber comprises the first component.

公开(公告)号：US20170253012A1

公开(公告)日：2017-09-07

申请号：US15509224

申请日：2015-09-21

Applicant: Dow Global Technologies LLC

Inventor： Andy C. Chang ,  Jacquelyn A. Degroot ,  Kate R. Brown ,  Aleksandar Stoiljkovic ,  Gert J. Claasen ,  Barbara Bonavoglia ,  Carlos E. Ruiz

IPC: B32B27/32 ,  B32B27/08 ,  B29C47/00 ,  B32B37/18 ,  B29C55/00 ,  B29C55/04 ,  B32B38/00 ,  B32B7/02 ,  B29C47/06

CPC classification number: B32B27/32 ,  B29C48/0018 ,  B29C48/022 ,  B29C48/08 ,  B29C48/21 ,  B29C55/005 ,  B29C55/04 ,  B29K2023/08 ,  B29K2995/0063 ,  B29L2007/008 ,  B29L2009/00 ,  B32B5/022 ,  B32B7/02 ,  B32B27/08 ,  B32B27/12 ,  B32B27/327 ,  B32B37/182 ,  B32B38/0012 ,  B32B2038/0028 ,  B32B2250/242 ,  B32B2255/00 ,  B32B2274/00 ,  B32B2307/51 ,  B32B2307/514 ,  B32B2307/72 ,  B32B2555/00

Abstract: A stretch-modified elastomeric multilayer film comprising a core layer comprising a first ethylene-α-olefin block copolymer, wherein the first ethylene-α-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (12) from 0.5 g/10 min to 5 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, and at least one outer layer independently comprising a second ethylene-α-olefin block copolymer and from 2.5 to 30 wt. % of an antiblock agent, wherein the second ethylene-α-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (12) from 0.5 g/10 min to 25 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, wherein the density of the first ethylene-α-olefin block copolymer is equal to or greater than the density of the second ethylene-α-olefin block copolymer.

公开(公告)号：US20230167206A1

公开(公告)日：2023-06-01

申请号：US17997285

申请日：2021-06-21

Applicant: Dow Global Technologies LLC

Inventor： Rahul Sharma ,  Guihong Liao ,  Martin Hill ,  Jacquelyn A. Degroot ,  Amit K. Chaudhary

IPC: C08F10/02 ,  C08G77/04 ,  C08K5/20 ,  C08K3/34 ,  B29C48/00 ,  B29C55/12

CPC classification number: C08F10/02 ,  C08G77/04 ,  C08K5/20 ,  C08K3/34 ,  B29C48/022 ,  B29C48/0018 ,  B29C55/12 ,  B29K2023/0608

Abstract: Embodiments of the present invention relate to polyethylene-based compositions, monolayer films, multilayer films, laminates, and articles. In one aspect, a polyethylene-based composition comprises (A) at least 95% by weight, based on the total weight of the polyethylene-based composition, of one or more polyethylenes; and (B) 250 to 15,000 ppm, based on the total weight of the polyethylene-based composition, of a polydimethylsiloxane having a number average molecular weight (Mn) of 1,000 to 40,000 g/mol, wherein the polyethylene-based composition has a density of 0.865 to 0.915 g/cm3 and a melt index (I2) of 0.5 to 25 g/10 minutes.

公开(公告)号：US11090916B2

公开(公告)日：2021-08-17

申请号：US15747913

申请日：2016-07-26

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  Dow Quimica Mexicana S.A. de C.V.

Inventor： Jacquelyn A. Degroot ,  Vivek Kalihari ,  Adriana M. Velasquez ,  Selim Bensason ,  Fabricio Arteaga Larios

IPC: B32B37/00 ,  B32B7/05 ,  B32B5/02 ,  B32B5/26 ,  B32B27/08 ,  B32B27/12 ,  B32B27/32 ,  B32B38/00 ,  B32B27/06 ,  B32B39/00

Abstract: Disclosed herein is a multilayer laminate comprising a film comprising an ethylene-based elastomer; a first non-woven layer in contact with a first surface of the film; and a second non-woven layer in contact with a second surface of the film; wherein the second surface of the film is opposedly disposed to the first surface of the film; wherein at least one of the first non-woven layer or the second non-woven layer comprises a non-woven web; and wherein the non-woven web is formed from a bicomponent fiber having a first component comprising an polyethylene-based polymer and a second component comprising a polymer having a melting point that is higher than the polyethylene-based polymer, wherein at least a portion of a surface of the bicomponent fiber comprises the first component.

公开(公告)号：US10857703B2

公开(公告)日：2020-12-08

申请号：US15766394

申请日：2016-11-08

Applicant: Dow Global Technologies LLC ,  Dow Quimica Mexicana S.A.de C.V.

Inventor： Vivek Kalihari ,  Fabricio Arteaga Larios ,  Jacquelyn A. Degroot

IPC: B32B7/02 ,  B29C39/12 ,  B32B27/32 ,  B32B27/08 ,  B32B27/12 ,  B32B5/02 ,  C08J5/18 ,  B29C48/08 ,  B29C48/21 ,  B29C48/00 ,  B32B3/00 ,  B29C48/18 ,  B29L9/00 ,  B29K23/00 ,  B29L7/00

Abstract: A multilayer polyethylene film comprising a core layer, a first outer layer, and a second outer layer, wherein the core layer is positioned between the first outer layer and the second outer layer, the core layer comprises a linear low density polyethylene and, optionally, a first low density polyethylene resin, and the first outer layer and the second outer layer independently comprise a polyethylene resin and, optionally, a second low density polyethylene resin, wherein the density of the linear low density polyethylene is less than the density of the polyethylene resin.

公开(公告)号：US10391739B2

公开(公告)日：2019-08-27

申请号：US14349906

申请日：2012-10-04

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Barbara Bonavoglia ,  Gert J. Claasen ,  Jacquelyn A. Degroot ,  Selim Bensason

IPC: D01F8/06 ,  D04H13/00 ,  B32B5/26 ,  B32B5/24 ,  D01F6/04 ,  B32B5/02 ,  D04H1/4291 ,  D04H3/007 ,  D04H3/16

Abstract: The instant invention provides bi-component fibers and fabrics made therefrom. The bi-component fiber according to the present invention comprises: (a) from 5 to 95 percent by weight of a first component comprising at least one or more first polymers, based on the total weight of the bi-component fiber; (b) from 5 to 95 percent by weight of a second component comprising at least an ethylene-based polymer composition, based on the total weight of the bicomponent fiber, wherein said ethylene-based polymer composition comprises; (i) less than or equal to 100 percent by weight of the units derived from ethylene; and (ii) less than 30 percent by weight of units derived from one or more α-olefin comonomers; wherein said ethylene-based polymer composition is characterized by having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1 to less than 2; a density in the range of 0.920 to 0.970 g/cm3, a melt index (I2) in the range of from 10 to 40 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.0, and a molecular weight distribution (Mz/Mw) in the range of from less than 2; and wherein said bi-component fiber has a denier per filament in the range of from 0.5 to 10 g/9000 m.