公开(公告)号：US20230272567A1

公开(公告)日：2023-08-31

申请号：US17997615

申请日：2021-05-05

Applicant: Dow Global Technologies LLC

Inventor： Akanksha Garg ,  Yijian Lin ,  Aleksandar Stoiljkovic ,  Jozef J.I. Van Dun ,  Fabricio Arteaga Larios ,  Rajesh P. Paradkar

IPC: D04H3/007 ,  D01F8/06 ,  D01D5/34 ,  D04H3/16

CPC classification number: D04H3/007 ,  D01F8/06 ,  D01D5/34 ,  D04H3/16 ,  D10B2321/021

Abstract: Provided are bicomponent fibers with improved curvature. The bicomponent fiber comprises a first region and a second region. The first region comprises a first polyethylene composition and second region comprises a second polyethylene composition, wherein the first polyethylene composition has a crystallization temperature (Tc) greater than a crystallization temperature (Tc) of the second polyethylene composition. The bicomponent fiber can be used to form a nonwoven.

公开(公告)号：US12104301B2

公开(公告)日：2024-10-01

申请号：US17293188

申请日：2019-11-20

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Mehmet Demirors ,  Fabricio Arteaga Larios ,  Mridula Kapur ,  Philip P. Fontaine ,  David T. Gillespie ,  Yijian Lin ,  Lanhe Zhang ,  Sanjib Biswas ,  Eduardo Alvarez ,  Aleksandar Stoiljkovic ,  Rajen M. Patel

IPC: D04H3/007 ,  C08F210/16 ,  D01F6/46 ,  D01F8/06 ,  D04H1/4291

CPC classification number: D04H3/007 ,  D01F6/46 ,  D01F8/06 ,  D04H1/4291 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/06 ,  C08F2500/12 ,  D10B2321/021 ,  D10B2321/022 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/02 ,  C08F2500/06 ,  C08F2500/29 ,  C08F210/16 ,  C08F2/001 ,  C08F210/16 ,  C08F4/64193

Abstract: A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm3, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw(GPC)/Mn(GPC)) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.

公开(公告)号：US20230036612A1

公开(公告)日：2023-02-02

申请号：US17755394

申请日：2020-11-04

Applicant: Dow Global Technologies LLC

Inventor： Jong Young Lee ,  Yijian Lin ,  Kyle D. Anderson ,  Aleksandar Stoiljkovic ,  Arnaldo T. Lorenzo ,  Stacy L. Pesek ,  Ronald Wevers

IPC: C08K5/20

Abstract: An elastic film-forming thermoplastic elastomer resin composition for forming an elastic film including: (a) at least one thermoplastic elastomer such as an olefinic block copolymer; and (b) at least one specific nucleation agent; wherein the resulting blended resin composition of components (a) and (b) improves the elastic performance (e.g., physical properties of elasticity such as retractive force, hysteresis, and immediate set) of a cast film made from the above resin blend composition; and an elastic film made from the above resin blend composition.

公开(公告)号：US11939712B2

公开(公告)日：2024-03-26

申请号：US17595479

申请日：2020-07-20

Applicant: Dow Global Technologies LLC

Inventor： Aleksandar Stoiljkovic ,  Eduardo Alvarez ,  Yijian Lin

IPC: D04H3/018 ,  A61F13/15 ,  D04H1/4291 ,  D04H1/4391 ,  D04H1/724 ,  D04H3/03 ,  D04H3/16

CPC classification number: D04H3/018 ,  A61F13/15577 ,  D04H1/4291 ,  D04H1/4391 ,  D04H1/724 ,  D04H3/03 ,  D04H3/16 ,  A61F2013/15552 ,  A61F2013/15959 ,  A61F2013/15967 ,  D10B2509/02

Abstract: A meltblown nonwoven formed from a bicomponent fiber, wherein: the bicomponent fiber has a first region and a second region, the first region is formed from a first composition comprising at least 75 wt. % of a polypropylene; the second region is formed from a second composition comprising at least 75 wt. % of an ethylene/alpha-olefin interpolymer.

公开(公告)号：US20230149228A1

公开(公告)日：2023-05-18

申请号：US17995453

申请日：2021-04-12

Applicant: Dow Global Technologies LLC

Inventor： Eduardo Alvarez-Acedo ,  Aleksandar Stoiljkovic ,  Barbara Bonavoglia ,  Edit Berczi

IPC: A61F13/539 ,  A61F13/15

CPC classification number: A61F13/539 ,  A61F13/15658 ,  A61F2013/53024

Abstract: Provided are absorbent layers and articles, and methods for making absorbent layers and articles. The absorbent layer is suitable for use in an absorbent article and may include a nonwoven that includes bicomponent fibers and superabsorbent polymer material interconnected within the nonwoven. The absorbent layer according to different embodiment may include a three-dimensional random loop material with superabsorbent polymer material adhered to the three-dimensional random loop material. Absorbent articles may comprise the absorbent layer according to embodiments of the present disclosure. The method for making the absorbent layer includes providing a nonwoven and dosing the nonwoven with superabsorbent polymer material.

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：US20180326645A1

公开(公告)日：2018-11-15

申请号：US15973755

申请日：2018-05-08

Applicant: Dow Global Technologies LLC

Inventor： Aleksandar Stoiljkovic ,  Stefan Ultsch ,  Xiaosong Wu

IPC: B29C47/40 ,  B29C47/00 ,  E04D5/06 ,  B29C47/10 ,  B29B7/48 ,  B29B7/88 ,  B29K23/00 ,  B29K105/00 ,  B29L31/10

Abstract: The present disclosure is directed to a process for producing thermoplastic polyolefin roofing membrane. The process includes directly adding components of a high-load flame retardant TPO formulation to a counter-rotating twin screw extruder. The process includes extruding the formulation with counter-rotation of the twin screws and forming a TPO roofing membrane having a tensile strength of greater than 10 MPa and a flame retardance of rating of classification D as measured in accordance with EN ISO 11925-2, surface exposure test.

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：US20220339918A1

公开(公告)日：2022-10-27

申请号：US17764653

申请日：2020-08-26

Applicant: Dow Global Technologies LLC

Inventor： Aleksandar Stoiljkovic ,  Karlheinz Hausmann

IPC: B32B27/16 ,  B32B27/08 ,  B32B27/32 ,  B32B27/30 ,  B32B7/027 ,  B32B37/15

Abstract: According to at least one embodiment of the present disclosure, a multilayer elastic film comprises a core layer, a first outer layer, and a second outer layer. The core layer comprises at least 75 wt % polyolefin elastomer such as an ethylene/alpha-olefin block copolymer or a propylene-based plastomer. The first outer layer and the second outer layer each comprise at least 75 wt % of an ethylene-based copolymer, wherein the ethylene-based copolymer is selected from the group consisting of: (I) greater than 50 wt % of ethylene, from 5 to 16 wt % of an α,β-ethylenically unsaturated C3-C8 carboxylic acid, and optionally, from 0.5 to 10 wt % of an alkyl acrylate; (II) from 86 to 95 wt % of ethylene, and from 5 to 14 wt % of an alkyl acrylate; and (III) combinations thereof.

公开(公告)号：US20220251748A1

公开(公告)日：2022-08-11

申请号：US17595479

申请日：2020-07-20

Applicant: Dow Global Technologies LLC

Inventor： Aleksandar Stoiljkovic ,  Eduardo Alvarez-acedo ,  Yijian Lin

IPC: D04H3/018 ,  D04H3/16 ,  D04H3/03 ,  D04H1/724 ,  D04H1/4291 ,  D04H1/4391 ,  A61F13/15

Abstract: A meltblown nonwoven formed from a bicomponent fiber, wherein: the bicomponent fiber has a first region and a second region, the first region is formed from a first composition comprising at least 75 wt. % of a polypropylene; the second region is formed from a second composition comprising at least 75 wt. % of an ethylene/alpha-olefin interpolymer.