公开(公告)号：US20210079177A1

公开(公告)日：2021-03-18

申请号：US16961455

申请日：2018-02-01

Applicant: Dow Global Technologies LLC

Inventor： Dachao Li ,  Yabin Sun ,  Yongyong Yang ,  Timothy J. Person ,  Jeffrey M. Cogen ,  Rajen M. Patel

IPC: C08J3/22 ,  C08L23/06 ,  C08L23/22 ,  C08L23/12 ,  C08K5/06 ,  C08L23/08 ,  C08L23/16

Abstract: A coagent masterbatch comprising a semi-crystalline polyolefin carrier resin and an alkenyl-functional coagent. A peroxide curable formulation comprising the coagent masterbatch and a polyolefin compound. A method of making the masterbatch and formulation; a peroxide-cured polyolefin product prepared therefrom; a manufactured article comprising or made from the masterbatch, formulation, or product; and a method of using the manufactured article.

公开(公告)号：US10723108B2

公开(公告)日：2020-07-28

申请号：US15521174

申请日：2015-10-23

Applicant: Dow Global Technologies LLC

Inventor： Jong Young Lee ,  Yijian Lin ,  Rajen M. Patel

IPC: B32B7/02 ,  B32B27/32 ,  B32B27/08 ,  B32B37/08 ,  B32B37/15

Abstract: Embodiments disclosed herein include multilayer films having at least an outer layer that includes 1) polyethylene elastomer and 2) ULDPE or VLDPE and that has a purge fraction greater than 20 percent as determined by Crystallization Elution Fractionation (CEF) test method. Embodiments disclosed herein also include related compositions to make such films and methods of making such films. The ULDPE or VLDPE can be made via Ziegler-Natta catalyst reaction techniques to provide the desired purge fraction.

公开(公告)号：US20200207972A1

公开(公告)日：2020-07-02

申请号：US16622273

申请日：2018-06-06

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Manish Talreja ,  Yichi Zhang ,  Santosh S, Bawiskar ,  Peter C. Dreux ,  Manish K. Mundra ,  Abhijit Ghosh-Dastidar ,  Rajen M. Patel ,  Kalyan Sehanobish ,  Chieh Ying Heah ,  Kenneth Hin-Leong Ong

IPC: C08L51/06 ,  C08L23/06 ,  C08L23/08 ,  C08K5/14 ,  C08K5/57 ,  C08K5/03 ,  C08K3/22 ,  H01B3/44

Abstract: Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt % of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt % of a silanol condensation catalyst; and (C) 0 to 70 wt % of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.

公开(公告)号：US20200039199A1

公开(公告)日：2020-02-06

申请号：US16340262

申请日：2017-10-12

Applicant: Dow Global Technologies LLC

Inventor： Parkinson Shaun ,  Jesus Nieto ,  Rajen M. Patel

IPC: B32B27/32 ,  B32B27/30 ,  B32B27/18

Abstract: Embodiments are directed to a stretch hood or stretch label multilayer film comprising a first skin layer, a second skin layer, and a core layer disposed between the first skin layer and the second skin layer, wherein: the first skin layer, the second skin layer, or both independently comprise at least 50 wt. % of a linear low density polyethylene (LLDPE) resin, wherein the skin LLDPE resin exhibits each of the following properties: a Crystallization Elution Fractionation (CEF) fraction of less than 8% above an elution temperature of 94° C.; and a melt index (I2) of 0.1 to 2.0 g/10 min when measured according to ASTM D 1238 at a load of 2.16 kg and temperature of 190° C. The core layer comprises a polyethylene resin having a wt. % crystallinity of from 10% to 40% and a single melting peak as measured by differential scanning calorimetry.

公开(公告)号：US20190263952A1

公开(公告)日：2019-08-29

申请号：US16410484

申请日：2019-05-13

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Nilesh R. Savargaonkar ,  Rajen M. Patel ,  Sylvie Desjardins

IPC: C08F210/16

Abstract: Mono- and multi-layer films comprising a polyethylene composition which comprises the reaction product of ethylene and optionally one or more alpha olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via a solution polymerization process in at least one reactor; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg @ 190° C.), from 0.1 to 5 g/10 min; density, measured according to ASTM D-792, from 0.910 to 0.935 g/cc; melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg @ 190° C.), from 6 to 7.4; and molecular weight distribution, (Mw/Mn) from 2.5 to 3.5 are provided. Also provided are articles made from the mono- and/or multi-layer films.

公开(公告)号：US20180010304A1

公开(公告)日：2018-01-11

申请号：US15545875

申请日：2016-01-27

Applicant: Dow Global Technologies LLC

Inventor： Barbara Bonavoglia ,  Joseph L. Deavenport ,  David Lopez ,  Rajen M. Patel

IPC: E01C13/08 ,  D01F6/30 ,  D01F6/04 ,  D01D5/253 ,  C08F110/02 ,  C08F10/02 ,  C08J5/18

CPC classification number: E01C13/08 ,  C08F10/02 ,  C08F110/02 ,  C08J5/18 ,  C08J2323/06 ,  D01D5/253 ,  D01F6/04 ,  D01F6/30

Abstract: An artificial turf filament comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises greater than 50 wt. % of the units derived from ethylene and less than 30 wt. % of the units derived from one or more alpha-olefin co monomers.

公开(公告)号：US20170369302A1

公开(公告)日：2017-12-28

申请号：US15539880

申请日：2016-02-10

Applicant: Dow Global Technologies LLC

Inventor： Viraj Shah ,  Rajen M. Patel ,  Selim Bensason

IPC: B68G5/00 ,  B68G7/00 ,  C08L23/08 ,  B29C47/88 ,  B29C47/00 ,  B29K23/00

Abstract: A cushioning network structure comprising a plurality of random loops arranged in a three-dimensional orientation, wherein the plurality of random loops are formed from an ethylene/a-olefin interpolymer composition having a highest DSC temperature melting peak in the range of from 90.0° C. to 115.0° C.; a zero shear viscosity ratio (ZSVR) in the range from 1.40 to 2.10; a density in the range of from 0.860 to 0.925 g/cc, a melt index (12) in a range of from 1 to 25 g/10 minutes when measured according to ASTM D1238 at 190° C. and 2.16 kg, a molecular weight distribution (Mw/Mn) in the range of from 2.0 to 4.5.

公开(公告)号：US20170226332A1

公开(公告)日：2017-08-10

申请号：US15318200

申请日：2015-06-26

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Pradeep Jain ,  Mehmet Demirors ,  Rajen M. Patel ,  Joseph L. Deavenport ,  David Lopez

IPC: C08L23/08 ,  E01C13/08 ,  B32B5/02 ,  B32B27/32 ,  C08J5/00 ,  C08F210/16

CPC classification number: C08L23/0815 ,  A61F13/51401 ,  A61F13/51458 ,  A61F2013/51409 ,  B32B5/00 ,  B32B5/02 ,  B32B5/022 ,  B32B7/00 ,  B32B7/02 ,  B32B27/06 ,  B32B27/08 ,  B32B27/12 ,  B32B27/18 ,  B32B27/20 ,  B32B27/28 ,  B32B27/30 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/325 ,  B32B2255/00 ,  B32B2255/02 ,  B32B2262/00 ,  B32B2262/02 ,  B32B2262/0253 ,  B32B2270/00 ,  B32B2307/50 ,  B32B2307/514 ,  B32B2307/544 ,  B32B2307/718 ,  B32B2307/724 ,  B32B2307/726 ,  B32B2555/00 ,  C08F210/16 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/18 ,  C08J5/00 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/08 ,  C08K3/26 ,  C08K2003/265 ,  C08L23/0807 ,  C08L2203/12 ,  C08L2205/025 ,  C08L2205/16 ,  C08L2314/02 ,  C08L2314/06 ,  E01C13/08 ,  C08F4/64193 ,  C08F4/6555 ,  C08F2/06 ,  C08F2500/10 ,  C08F2500/19

Abstract: Artificial turf filaments formed from polyethylene are provided that can have desirable properties. In one aspect, an artificial turf filament comprises a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2≧7.0−1.2×log (I2).

公开(公告)号：US20150231862A1

公开(公告)日：2015-08-20

申请号：US14183954

申请日：2014-02-19

Applicant: Dow Global Technologies LLC

Inventor： Yushan Hu ,  Rajen M. Patel ,  Gary R. Marchand ,  Sharon L. Baker ,  Christopher I. Gandy ,  Lori L. Kardos

IPC: B32B27/08 ,  B32B7/12 ,  B29C49/02 ,  B32B27/32

CPC classification number: B32B27/32 ,  B29C48/21 ,  B29C48/22 ,  B29C49/02 ,  B29C49/04 ,  B29K2023/06 ,  B29K2023/12 ,  B29K2995/0077 ,  B29L2009/00 ,  B29L2031/7128 ,  B32B7/12 ,  B32B27/08 ,  B32B2250/05 ,  B32B2250/242 ,  B32B2250/40 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2307/558 ,  B32B2307/704 ,  B32B2323/04 ,  B32B2323/10 ,  B32B2439/00 ,  B32B2439/46 ,  B32B2439/70 ,  Y10T428/31913

Abstract: Disclosed herein is a multilayer film comprising two outer layers; where each outer layer comprises polyethylene; two tie layers; where each tie layer comprises a crystalline block copolymer composite; where each tie layer has a first face and a second face that are opposed to each other, and where the first face of each tie layer contacts at least one outer layer; and a core layer; where the core layer comprises a polypropylene; where the second face of each tie layer contacts the core layer. Disclosed herein is a method comprising coextruding a multilayered film comprising two outer layers; where each outer layer comprises polyethylene; two tie layers; where each tie layer comprises a crystalline block copolymer composite; where each tie layer has a first face and a second face that are opposed to each other, and where the first face of each tie layer contacts at least one outer layer; and a core layer; where the core layer comprises a polypropylene; where the second face of each tie layer contacts the core layer; and coextruding the multilayered blown film.

Abstract translation: 本文公开了包含两个外层的多层膜; 其中每个外层包含聚乙烯; 两个领带; 其中每个粘结层包含结晶嵌段共聚物复合材料; 其中每个连接层具有彼此相对的第一面和第二面，并且每个连接层的第一面接触至少一个外层; 和核心层; 其中芯层包含聚丙烯; 其中每个连接层的第二面接触芯层。 本文公开了一种包括共挤出包含两个外层的多层膜的方法; 其中每个外层包含聚乙烯; 两个领带; 其中每个粘结层包含结晶嵌段共聚物复合材料; 其中每个连接层具有彼此相对的第一面和第二面，并且每个连接层的第一面接触至少一个外层; 和核心层; 其中芯层包含聚丙烯; 其中每个连接层的第二面接触芯层; 并共挤出多层吹塑薄膜。

公开(公告)号：US20140342055A1

公开(公告)日：2014-11-20

申请号：US14344815

申请日：2012-09-19

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Sekhar Sundaram ,  Debkumar Bhattacharjee ,  Jozef J. Van Dun ,  Bradley A. Jacobs ,  Rajen M. Patel ,  Alexander Williamson

IPC: B65D65/40 ,  C09J7/02 ,  B32B27/40 ,  B32B27/08 ,  B32B27/32

CPC classification number: B65D65/40 ,  B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B27/40 ,  B32B2439/70 ,  B32B2439/80 ,  C09J7/243 ,  C09J175/04 ,  C09J2423/006 ,  C09J2475/00 ,  Y10T428/2848 ,  Y10T428/2896

Abstract: The invention provides a layered structure comprising at least two layers: A) a first layer A, formed from a composition A, comprising a polyurethane; and B) a second layer B, formed from a composition B, comprising at least one functionalized polymer B comprising the following: i) at least one polymerized monomeric unit comprising a functional group selected from the group consisting of the following: a) an acid group, b) an anhydride group, c) a primary or secondary amine group, and d) combinations thereof; or ii) at least one reacted functionalization agent comprising a functional group selected from the group consisting of the following: e) an acid group, f) an anhydride group, g) a primary or secondary amine group, and h) combinations thereof; or iii) combinations thereof; and wherein the functionalized polymer B has a number-average molecular weight greater than 1,000 g/mole, and/or a melt index (I2) less than, or equal to, 2500 g/10 min.

Abstract translation: 本发明提供了包括至少两层的层状结构：A）由组合物A形成的包含聚氨酯的第一层A; 和B）由组合物B形成的第二层B，其包含至少一种官能化聚合物B，其包含以下物质：i）至少一种包含选自以下的官能团的聚合单体单元：a）酸 基团，b）酸酐基团，c）伯或仲胺基团，和d）其组合; 或ii）至少一种反应官能化剂，其包含选自以下的官能团：e）酸基，f）酸酐基，g）伯或仲胺基，和h）其组合; 或iii）其组合; 并且其中所述官能化聚合物B的数均分子量大于1,000g / mol，和/或小于或等于2500g / 10min的熔体指数（I 2）。