公开(公告)号：US20210129513A1

公开(公告)日：2021-05-06

申请号：US16639465

申请日：2018-08-16

Applicant: Dow Global Technologies LLC

Inventor： Yushan Hu ,  Ronald J. Weeks ,  Mark T. Jablonka ,  Lizhi Liu

IPC: B32B37/06 ,  C08L23/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B5/02 ,  B32B27/12

Abstract: A method to produce a tile comprising at least the following layered sections: a wear layered section, a décor layered section and a base layered section; and wherein the wear layered section comprises the following: A) a compositional layer A formed from a composition A comprising at least one olefm-based polymer; wherein the décor layered section comprises the following: B1) a compositional layer B1 formed from a composition B1 comprising a propylene-based polymer; B2) a compositional layer B2 formed rl from a composition B2 comprising an olefm-based polymer; wherein the base layered section comprises the following: C) a compositional layer C formed from a composition C comprising an olefin-based polymer; wherein the method comprises the following step(s): i) heat laminating compositional layer A to compositional layer B1, at a temperature T1≤140° C.; and wherein, for a continuous production of the tile, T1 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T1 is the interfacial temperature between the two compositional layers; ii) heat laminating compositional layer B2 to compositional layer C, at a interfacial temperature T2≤140° C.; and wherein, for a continuous production of the tile, T2 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T2 is the interfacial temperature between the two compositional layers.

公开(公告)号：US10927243B2

公开(公告)日：2021-02-23

申请号：US16089937

申请日：2017-03-31

Applicant: Dow Global Technologies LLC

Inventor： Colin Li Pi Shan ,  Jihean Lee ,  Raymond L. Laakso, Jr. ,  Yushan Hu ,  Eddy I. Garcia-Meitin

IPC: C08L23/12 ,  C08L23/14 ,  C08L23/08 ,  C08L53/00 ,  C08J5/18 ,  B65D81/18

Abstract: A modifier for forming sub-ambient temperature use containers includes (a) from 10 wt % to 50 wt % of a block composite, a specified block composite, or a crystalline block composite, (b) from 20 wt % to 90 wt % of a first polyolefin copolymer, the first polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 0.5 g/10 min to 1500 g/10 min, and having a density from 0.850 g/cm3 to 0.910 g/cm3, and (c) optionally, from 30 wt % to 70 wt % of a second polyolefin copolymer, the second polyolefin copolymer being derived from ethylene and at least one of a C3 to C10 alpha-olefin, having a melt index from 100 g/10 min to 2000 g/10 min, and having a density from 0.860 g/cm3 to 0.900 g/cm3.

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：US10358545B2

公开(公告)日：2019-07-23

申请号：US15532630

申请日：2015-11-23

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Yushan Hu ,  Kim L. Walton

IPC: C08L23/12 ,  C08L23/08 ,  B29C35/02 ,  C08F4/6592 ,  C08J3/24 ,  C08L23/14

Abstract: Disclosed herein is a composition comprising a propylene based polymer; a polymeric ethylene ionomer; a vulcanizing agent that is a crosslinker and that is reactive with the polymeric ethylene ionomer; and a compatibilizer that is a crystalline block composite including (1) a crystalline ethylene based polymer, (2) a crystalline alpha-olefin based polymer derived from a C3-10 α-olefin, and (3) a block copolymer comprising 10 to 90 wt % of a crystalline ethylene block comprising at least 85 wt % of units derived from ethylene and 10 to 90 wt % of a crystalline alpha-olefin block comprising at least 90 wt % of units derived from the C3-10 α-olefin.

公开(公告)号：US20190001636A1

公开(公告)日：2019-01-03

申请号：US15752394

申请日：2016-09-09

Applicant: Dow Global Technologies LLC

Inventor： Eva-Maria Kupsch ,  Yushan Hu

IPC: B32B27/08 ,  B32B27/36 ,  B32B27/34 ,  B32B27/30 ,  B32B27/32 ,  B65D65/40

Abstract: Embodiments of the present invention relate to multilayer films, packages formed therefrom, and methods of preparing multilayer films. In one aspect, a multilayer film comprises a coextruded, multilayer film comprising at least five layers in which Layer A is a skin layer, Layer B is a tie layer, Layer C is a barrier layer, Layer D is a second tie layer, and Layer E is polyolefin, each layer having opposing facial surfaces and arranged in the order A/B/C/D/E. Layer A comprises polyethylene terephthalate, Layer C comprises polyamide or ethylene vinyl alcohol, and Layer E comprises polypropylene or polyethylene.

公开(公告)号：US20150231861A1

公开(公告)日：2015-08-20

申请号：US14183949

申请日：2014-02-19

Applicant: Dow Global Technologies LLC

Inventor： Yushan Hu ,  Rajen M. Patel ,  Gary R. Marchand ,  Sharon L. Baker

IPC: B32B27/08 ,  B32B37/00 ,  B32B27/32

CPC classification number: B32B27/08 ,  B32B27/32 ,  B32B37/00 ,  B32B2250/05 ,  B32B2250/242 ,  B32B2323/04 ,  B32B2323/10 ,  B32B2439/00 ,  B32B2439/70 ,  Y10T428/2495

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; and where the core layer has a thicknesses that is greater than 50% of the total thickness of the multilayer 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; 并且其中芯层的厚度大于多层膜的总厚度的50％。