公开(公告)号：US10344155B2

公开(公告)日：2019-07-09

申请号：US15678289

申请日：2017-08-16

Applicant: Dow Global Technologies LLC

Inventor： Charles F. Diehl ,  Andy C. Chang ,  Ashish Batra ,  Suzanne M. Guerra ,  Jill M. Martin

IPC: C08L23/00 ,  C08L23/16 ,  C08L23/08 ,  C08K5/00 ,  C08K3/20 ,  C08L23/14 ,  C08L51/06 ,  C08K3/013

Abstract: Compositions are provided that comprise: (1) a polymer selected from the group consisting of: (A) an ethylene/α-olefin multiblock interpolymer; (B) a propylene based plastomer or elastomer; and (C) a mixture of (A) and (B); (2) from about 1 to about 75 weight percent filler based on the weight of the composition; and (3) an effective amount of tackifier.

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：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：US20170342251A1

公开(公告)日：2017-11-30

申请号：US15678289

申请日：2017-08-16

Applicant: Dow Global Technologies LLC

Inventor： Charles F. Diehl ,  Andy C. Chang ,  Ashish Batra ,  Suzanne M. Guerra ,  Jill M. Martin

IPC: C08L23/16 ,  C08K5/00 ,  C08K3/00 ,  C08L23/08

CPC classification number: C08L23/16 ,  C08K3/013 ,  C08K3/20 ,  C08K5/0008 ,  C08L23/0815 ,  C08L23/142 ,  C08L51/06 ,  C08L2201/08 ,  C08L2203/16

Abstract: Compositions are provided that comprise: (1) a polymer selected from the group consisting of: (A) an ethylene/α-olefin multiblock interpolymer; (B) a propylene based plastomer or elastomer; and (C) a mixture of (A) and (B); (2) from about 1 to about 75 weight percent filler based on the weight of the composition; and (3) an effective amount of tackifier.

公开(公告)号：US20150132515A1

公开(公告)日：2015-05-14

申请号：US14394302

申请日：2013-03-14

Applicant: Dow Global Technologies LLC

Inventor： Claudia Hernandez ,  Andy C. Chang ,  Teresa Bernal Lara

IPC: B32B27/08 ,  B29C47/06 ,  B32B27/32

CPC classification number: B32B27/08 ,  A61F13/51401 ,  B29C48/18 ,  B29K2023/12 ,  B29L2009/00 ,  B29L2031/4878 ,  B32B27/32 ,  B32B2250/03 ,  B32B2250/04 ,  B32B2250/05 ,  B32B2250/242 ,  B32B2250/40 ,  B32B2307/31 ,  B32B2307/51 ,  B32B2307/558 ,  B32B2307/5825 ,  B32B2323/10 ,  Y10T428/1352 ,  Y10T428/249921 ,  Y10T428/31913

Abstract: A polypropylene-based film comprising at least three layers characterized by two skin layers and at least one core layer, wherein the at least one core layer and/or at least one skin layer comprises a polymer blend of: (i) a first propylene-based polymer which comprises (A) at least 60 weight percent (wt %) units derived from propylene, and (B) from 5 to 40 wt % units derived from ethylene, and wherein the first propylene-based polymer is characterized by a melting temperature (Tm) of less than or equal to 110° C., and (ii) a second propylene-based polymer selected from the group consisting of rPP and hPP and characterized by certain mechanical and/or sealing properties is provided. Also provided is a method of making the polypropylene-based film.

Abstract translation: 一种聚丙烯基膜，其包含至少三个层，其特征在于两个表层和至少一个芯层，其中所述至少一个芯层和/或至少一个表层包含以下聚合物共混物：（i）第一丙烯 - 其包含（A）至少60重量％（wt％）衍生自丙烯的单元，和（B）5-40wt％源自乙烯的单元，其中所述第一丙烯类聚合物的特征在于熔融温度 （Tm）小于或等于110℃，和（ii）选自由rPP和hPP组成的组的第二丙烯类聚合物，并且其特征在于某些机械和/或密封性质。 还提供了制备聚丙烯基膜的方法。

公开(公告)号：US20150166779A1

公开(公告)日：2015-06-18

申请号：US14406966

申请日：2013-08-29

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Charles F. Diehl ,  Andy C. Chang ,  Ashish Batra ,  Suzanne M. Guerra ,  Jill M. Martin

IPC: C08L23/16 ,  C08K5/00 ,  C08K3/00

CPC classification number: C08L23/16 ,  C08K3/013 ,  C08K3/20 ,  C08K5/0008 ,  C08L23/0815 ,  C08L23/142 ,  C08L51/06 ,  C08L2201/08 ,  C08L2203/16

Abstract: Compositions are provided that comprise: (1) a polymer selected from the group consisting of: (A) an ethylene/α-olefin multiblock interpolymer; (B) a propylene based plastomer or elastomer; and (C) a mixture of (A) and (B); (2) from about 1 to about 75 weight percent filler based on the weight of the composition; and (3) an effective amount of tackifier.

Abstract translation: 提供的组合物包括：（1）选自以下的聚合物：（A）乙烯/α-烯烃多嵌段互聚物; （B）丙烯基塑性体或弹性体; 和（C）（A）和（B）的混合物; （2）约1至约75重量％的填料，基于组合物的重量; 和（3）有效量的增粘剂。

公开(公告)号：US20170246846A1

公开(公告)日：2017-08-31

申请号：US15509235

申请日：2015-09-21

Applicant: Dow Global Technologies LLC

Inventor： Ronald Wevers ,  Jacquelyn A. Degroot ,  Andy C. Chang

IPC: B32B27/32 ,  B32B38/00 ,  B32B5/02 ,  B32B37/14

Abstract: A stretch-modified elastomeric multilayer film comprising a core layer comprising a first propylene/alpha-olefin copolymer, wherein the first propylene/alpha-olefin copolymer comprises at least 50 wt. % propylene, has a melt flow rate (230C/2.16 Kg) from 0.1 g/10 min to 35 g/10 min, and has a crystallinity in the range of from at least 1 percent by weight to 40 percent by weight, and at least one outer layer independently comprising a second propylene/alpha-olefin copolymer and from 2.5 to 30 wt. % of an antiblock agent, wherein the second propylene/alpha-olefin copolymer comprises at least 50 wt. % propylene, has a melt flow rate (230C/2.16 Kg) from 0.1 g/10 min to 35 g/10 min, and has a crystallinity in the range of from at least 1 percent by weight to 40 percent by weight, wherein the crystallinity of the first propylene/alpha-olefin copolymer is equal to or greater than the crystallinity of the second propylene/alpha-olefin copolymer.

公开(公告)号：US20140187114A1

公开(公告)日：2014-07-03

申请号：US13730262

申请日：2012-12-28

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  DOW BRASIL S.A.

Inventor： Hong Peng ,  Emil Hersche ,  Jozef J. Van Dun ,  Edward N. Knickerbocker ,  Andy C. Chang ,  Angels Domenech ,  Aleksandar Stoiljkovic ,  Gert J. Claasen

IPC: D04H13/00

CPC classification number: D04H13/00 ,  D01F1/10 ,  D01F6/46 ,  D01F8/06 ,  D04H3/007 ,  D04H3/147 ,  D04H3/16 ,  Y10T442/602

Abstract: The present invention is an extensible nonwoven comprising a polyolefin elastomer fiber wherein the surface of the fiber further comprises an inorganic filler or PDMS or combinations thereof, wherein the inorganic filler, if present, has D-90 particle size of 5 microns or less.

Abstract translation: 本发明是一种包含聚烯烃弹性体纤维的可伸长非织造布，其中纤维的表面还包含无机填料或PDMS或其组合，其中无机填料（如果存在）的D-90粒径为5微米或更小。