公开(公告)号：US10533084B2

公开(公告)日：2020-01-14

申请号：US15773222

申请日：2016-10-27

Applicant: Dow Global Technologies LLC

Inventor： Yijian Lin ,  Todd A. Hogan ,  Ronald P. Markovich

IPC: C08L23/00 ,  C08L23/04 ,  B65D65/38 ,  B65D47/08

Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, wherein the first ethylene-based polymer component has a density of from 0.940 g/cc to less than 0.960 g/cc, a melt index, I2.16, of less than 0.5 g/10 min, and a weight average molecular weight, Mw,cc, as measured by gel permeation chromatography using conventional calibration, of greater than or equal to 200,000 g/mol, and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 10 g/10 min to 70 g/10 min.

公开(公告)号：US10370527B2

公开(公告)日：2019-08-06

申请号：US15534383

申请日：2015-11-05

Applicant: Dow Global Technologies LLC

Inventor： Stephanie M. Whited ,  Mridula Babli Kapur ,  Yijian Lin

IPC: C08L23/06

Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, the first ethylene-based polymer component has a density of from 0.91.5 g/cc to less than 0.940 g/cc. and a melt index, I2.16, of less than 5 g/10 min. and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 5 g/10 min to 20 g/10 min.

公开(公告)号：US20170021599A1

公开(公告)日：2017-01-26

申请号：US15302359

申请日：2014-04-16

Applicant: Dow Global Technologies LLC

Inventor： Jian-ping Pan ,  Yijian Lin ,  Xiao Bing Yun ,  Mehmet Demirors

IPC: B32B27/32 ,  B32B27/08

CPC classification number: B32B27/32 ,  B29C55/005 ,  B29C55/12 ,  B29K2023/0608 ,  B32B27/08 ,  B32B27/30 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2307/412 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2307/736 ,  B32B2439/70 ,  C08L23/0815 ,  C08L23/04

Abstract: A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin,and two skin layers, wherein the core layer is positioned between the two skin layers,wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. % of the units derived from one or more alpha-olefin comonomers, has greater than 50% of the copolymer fraction eluting between 75.0° C. and 95.0° C. as determined by Crystallization Elution Fractionation (CEF), and has a density ranging from 0.915 to 0.940 g/cc, and wherein the film is biaxially-oriented.

Abstract translation: 一种多层乙烯类收缩膜，其包含包含聚乙烯树脂的芯层和两个表皮层，其中芯层位于两个表层之间，其中聚乙烯树脂包含大于50mol。 衍生自乙烯的单元的百分比小于30mol。 衍生自一种或多种α-烯烃共聚单体的单元的％具有通过结晶洗脱分级（CEF）测定的在75.0℃和95.0℃之间洗脱的共聚物级分的大于50％，并且具有从 0.915至0.940g / cc，并且其中该膜是双轴取向的。

公开(公告)号：US20160177073A1

公开(公告)日：2016-06-23

申请号：US14576576

申请日：2014-12-19

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Mustafa Bilgen ,  Yijian Lin

IPC: C08L23/06 ,  C08J5/18

CPC classification number: C08L23/06 ,  C08J5/18 ,  C08J2323/06 ,  C08J2423/06 ,  C08L2201/10 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2207/066 ,  C08L2207/068 ,  C08F10/02 ,  C08F4/642 ,  C08F4/64193 ,  C08F110/02 ,  C08F2500/12 ,  C08F2500/07 ,  C08F2500/26

Abstract: Embodiments of a polyethylene polymer blend having a melt index (I2) 3.

Abstract translation: 提供熔体指数（I 2）<2g / 10分钟的聚乙烯聚合物共混物的实施方案，其中聚乙烯聚合物共混物包含至少约50重量％ 的至少一种密度≥0.950g/ cm3的高密度聚乙烯树脂（HDPE），熔体指数（I2）<4g / 10min; 熔体流动比（I10 / I2）＆lt; NE; 9，分子量分布（MWD）约2至约5; 并且还包含约1重量％至约20重量％。 的至少一种密度为nlE的低密度聚乙烯树脂（LDPE）为0.930g / cm 3，熔体指数（I 2）为约0.1至约10g / min，MWD为3。

公开(公告)号：US20230235487A1

公开(公告)日：2023-07-27

申请号：US17996757

申请日：2021-05-05

Applicant: Dow Global Technologies LLC

Inventor： Akanksha Garg ,  Yijian Lin ,  Aleksandar Stoiljkovic ,  John P. O'Brien ,  Jozef J. I. Van Dun ,  Fabricio Arteaga Larios

IPC: D01F8/06 ,  D01F8/14 ,  D04H3/007 ,  D04H3/011 ,  D01D5/32 ,  D01D5/34 ,  D04H3/147

CPC classification number: D01F8/06 ,  D01D5/32 ,  D01D5/34 ,  D01F8/14 ,  D04H3/007 ,  D04H3/011 ,  D04H3/147 ,  D10B2321/021 ,  D10B2331/04

Abstract: Provided are bicomponent fibers with improved curvature. The bicomponent fibers comprise a first polymer region or first region and a second polymer region or second region. The first region according to embodiments of the present disclosure comprises an ethylene/alpha-olefin interpolymer and has a light scattering cumulative detector fraction (CDFLS) of greater than 0.1200, wherein the CDFLS is computed by measuring the area fraction of a low angle laser light scattering (LALLS) detector chromatogram greater than, or equal to, 1,000,000 g/mol molecular weight using Gel Permeation Chromatography (GPC). The second region comprises a polyester. The bicomponent fibers can be used for forming nonwovens.

公开(公告)号：US11685798B2

公开(公告)日：2023-06-27

申请号：US17260271

申请日：2019-07-18

Applicant: Dow Global Technologies LLC

Inventor： Peter S. Martin ,  Yijian Lin ,  Angela I. Padilla-Acevedo ,  Roger L. Kuhlman ,  Shadid Askar ,  Mridula Kapur ,  Todd A. Hogan ,  Joel D. Wieliczko ,  Chuan C. He

IPC: C08F210/16 ,  C08F10/02 ,  C08F4/6592

CPC classification number: C08F210/16 ,  C08F4/65922 ,  C08F2500/01 ,  C08F2500/02 ,  C08F2500/05 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/13 ,  C08F2500/19

Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.

公开(公告)号：US11492467B2

公开(公告)日：2022-11-08

申请号：US16062174

申请日：2016-12-15

Applicant: Dow Global Technologies LLC

Inventor： Yijian Lin ,  John L. Sugden ,  Mridula Kapur ,  David T. Gillespie

IPC: C08L23/06 ,  C08K5/098 ,  C08K5/053 ,  C08K5/20 ,  C08K5/521 ,  B65D41/00

Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.

公开(公告)号：US20220228297A1

公开(公告)日：2022-07-21

申请号：US17295070

申请日：2019-11-20

Applicant: Dow Global Technologies LLC

Inventor： Akanksha Garg ,  Yinglong Chen ,  Yijian Lin ,  Sanjib Biswas ,  Pavan Kumar Valavala ,  Fabricio Arteaga Larios ,  Jill Martin

IPC: D01D5/22 ,  D01D5/30 ,  D01F8/06 ,  D04H1/435 ,  D04H1/4291 ,  D04H1/4382

Abstract: A process comprising forming fibers having at least a first region and a second region wherein the first region comprises an ethylene/alpha olefin interpolymer composition characterized by: density in the range of 0.930 to 0.965 g/cm3; melt index (I2) in the range of from 10 to 60 g/10 minutes; molecular weight distribution in the range of from 1.5 to 2.6; 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 full width at half maximum of the high temperature peak is less than 6.0° C. and stretching the fibers to an elongation of at least 20% thereby increasing curl of the fiber. The process may further include forming a non-woven from the fibers and the stretching of the fibers may occur before or after forming of the non-woven.

公开(公告)号：US20220186415A1

公开(公告)日：2022-06-16

申请号：US17603048

申请日：2020-04-14

Applicant: Dow Global Technologies LLC

Inventor： Fabricio Arteaga Larios ,  Lanhe Zhang ,  Yijian Lin

IPC: D04H1/4291 ,  D04H1/4334 ,  D04H1/435 ,  D04H1/4382 ,  D04H3/007 ,  D04H3/011

Abstract: In accordance with one embodiment of the present disclosure, a nonwoven web may be manufactured by a process that includes forming a bicomponent fiber and forming the bicomponent fiber into the nonwoven web. The bicomponent fiber may comprise one or more primary polymer regions and two or more secondary polymer regions. The primary polymer regions may comprise polyethylene. The secondary polymer regions may comprise polypropylene, polyester, or polyamide. The primary polymer regions may comprise at least 2.5 wt. % of polypropylene, polyester, or polyamide, or the secondary polymer regions may comprise at least 2.5 wt. % of polyethylene, or both.

公开(公告)号：US11261316B2

公开(公告)日：2022-03-01

申请号：US16626041

申请日：2018-06-25

Applicant: Dow Global Technologies LLC

Inventor： Yijian Lin ,  Yushan Hu ,  Todd A. Hogan ,  Colin Li Pi Shan ,  Keran Lu ,  Mridula Kapur

IPC: C08J5/18 ,  C08L23/08 ,  C08L23/06 ,  C08L53/00 ,  E05D1/02

Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; and (B) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.