公开(公告)号：US11970602B2

公开(公告)日：2024-04-30

申请号：US16969972

申请日：2018-02-14

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Guang Ming Li ,  Bo Lv ,  Tao Han ,  Colin LiPiShan

IPC: C08L23/16 ,  C08F210/18

CPC classification number: C08L23/16 ,  C08F210/18 ,  C08L2205/025

Abstract: A first composition comprising a first ethylene/α-olefin/diene interpolymer and a second ethylene/α-olefin interpolymer, and wherein the first composition comprises from 0.1 to 1.0 wt % diene, based on the weight of the first composition, and wherein the first composition comprises from 40 to 70 wt % ethylene, based on the weight of the first composition.

公开(公告)号：US20210380790A1

公开(公告)日：2021-12-09

申请号：US17256996

申请日：2019-06-06

Applicant: Dow Global Technologies LLC

Inventor： Guang Ming Li ,  Shrikant Dhodapkar ,  Rerni A. Trottier ,  Gerrit Grootenzerink ,  Jozef J. I. Van Dun

IPC: C08L23/16 ,  C08K5/098 ,  C09D183/04 ,  C09D7/63 ,  B29B15/02 ,  B29B9/16

Abstract: A process to make a friable bale, and a friable bale formed from the same, wherein the friable bale is formed from a composition comprising coated polymer particles, which comprise polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion, and an aqueous polysiloxane emulsion, and wherein the friable bale has a compression force ≤1.00 MPa.

公开(公告)号：US20180258209A1

公开(公告)日：2018-09-13

申请号：US15760815

申请日：2016-09-22

Applicant: Dow Global Technologies LLC

Inventor： Shrikant Dhodapkar ,  Gregory E. Johnson ,  Rennisha R. Wickham ,  Santosh S. Bawiskar ,  Guang Ming Li ,  Harold W. Boone

IPC: C08F255/02

CPC classification number: C08F255/02 ,  C08F6/005 ,  C08F222/06 ,  C08F230/08 ,  C08L23/08 ,  C08F210/16 ,  C08F2/00 ,  C08F2/01 ,  C08L51/06 ,  C08F210/14 ,  C08F2500/17 ,  C08F2500/08

Abstract: A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein “the viscosity of the functionalized olefin-based polymer (177° C./350° F.)” to “the viscosity of the olefin-based polymer (177° C./350° F.)” is from 0.1 to 5.0.

公开(公告)号：US09783667B2

公开(公告)日：2017-10-10

申请号：US14903486

申请日：2014-09-16

Applicant: Dow Global Technologies LLC

Inventor： Laura B. Weaver ,  Wei Wang ,  Guang Ming Li ,  Lena T. Nguyen

IPC: C08L23/14 ,  C08L23/16 ,  C08J5/18 ,  C08L23/08

CPC classification number: C08L23/142 ,  C08J5/18 ,  C08J2323/08 ,  C08J2323/14 ,  C08J2423/08 ,  C08J2423/14 ,  C08L23/0815 ,  C08L23/0853 ,  C08L23/14 ,  C08L23/16 ,  C08L23/0807

Abstract: The instant invention provides a polymeric blend composition, injection molded articles, films and sheets made therefrom. The polymeric blend composition according to the present invention comprises: (a) a first component selected from the group consisting of an ethylene/alpha-olefin copolymer and a propylene/ethylene copolymer; wherein said ethylene/alpha-olefin co-polymer has density in the range of from 0.857 to 0.902 g/cm3, a melt index (I2) in the range of from 0.5 to 30 g/10 minutes, a DCS melting point temperature (second heat) in the range of from 40 to 99° C., a heat of fusion in the range of from 18 to 108 Jg−1, and a crystallinity in the range of from 6 to 37 weight percent; and wherein propylene/ethylene copolymer has a melt flow rate in the range of from 1 to 30 g/10 minutes, a DCS melting point temperature (second heat) in the range of from 55 to 85° C., a heat of fusion in the range of from 10 to 40 Jg−1, and a crystallinity in the range of from 6 to 21 weight percent; and (b) less than 40 percent by weight of a second component comprising an ethylene vinyl acetate copolymer comprising from 9 to 40 percent by weight of units derived from vinyl acetate, and wherein said ethylene vinyl acetate copolymer has a melt index (I2) in the range of from 0.2 to 20 g/10 minutes; wherein Δn is less than 0.003, and wherein Δn is the absolute value of the difference between the refractive index of (a) and (b); and wherein dielectric loss factor of the polymeric blend composition is, equal to, or greater than, 0.024, for example in the range of greater than 0.024 to 0.15.

公开(公告)号：US20160083571A1

公开(公告)日：2016-03-24

申请号：US14391318

申请日：2013-04-02

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Guang Ming Li ,  Colin LiPiShan ,  Kim L. Walton ,  Raymond L. Laakso, JR. ,  Walter J. Brown

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08L23/142 ,  C08L2205/025 ,  C08L2205/03 ,  C08L23/0815

Abstract: The instant invention provides a polyolefin blend composition, process for producing the same, and articles made therefrom. The polyolefin blend composition according to the present invention comprises: (a) from 75 to 97 percent by weight of one or more random propylene copolymers having a DSC melting point in the range of from 120° C. to 160° C., and a melt flow rate (MFR) in the range of from 1 to 120 g/10 minutes; (b) from 3 to 25 percent by weight of one or more ethylene ?-olefin copolymers having a melt index (I2) in the range of from 100 to 1500 g/10 minutes, a density in the range of 0.860 to 0.910 g/cm3, and a molecular weight (Mw) in the range of from 10,000 to 50,000 g/mole, wherein said ethylene ?-olefin copolymer is homogenously branched copolymer, and wherein said ethylene ?-olefin copolymer is linear or substantially linear; (c) optionally from 5 to 15 percent by weight of one or more propylene ?-olefin interpolymers having a DSC melting point in the range of less than 110° C., a heat of fusion in the range of less than 50 Joules/gram, and a crystallinity in the range of from at least 1 percent by to 40 percent by weight, and a melt flow rate in the range of less than 80 g/10 minutes.

Abstract translation: 本发明提供了一种聚烯烃共混组合物，其制备方法和由其制成的制品。 根据本发明的聚烯烃共混物组合物包含：（a）75至97重量％的一种或多种DSC熔点在120℃至160℃范围内的无规丙烯共聚物，和 熔体流动速率（MFR）在1至120g / 10分钟的范围内; （b）3至25重量％的一种或多种熔体指数（I 2）在100至1500g / 10分钟范围内的乙烯α-烯烃共聚物，密度在0.860至0.910g / cm 3，分子量（Mw）在10,000〜50,000g / mol范围内，其中所述乙烯α-烯烃共聚物是均匀支化的共聚物，并且其中所述乙烯α-烯烃共聚物是线性或基本上线性的; （c）任选的5至15重量％的一种或多种DSC熔点在小于110℃范围内的丙烯α-烯烃互聚物，熔融热在小于50焦耳/克 ，结晶度在至少1重量％至40重量％的范围内，熔体流动速率在小于80克/ 10分钟的范围内。

公开(公告)号：US11981802B2

公开(公告)日：2024-05-14

申请号：US16314291

申请日：2017-06-29

Applicant: Dow Global Technologies LLC

Inventor： Colin LiPiShan ,  Juan C. Tuberquia ,  Guang Ming Li ,  Timothy E. Clayfield ,  Lena T. Nguyen ,  Edward O. Madenjian ,  Cory M. Thomas West ,  Alexandra E. Frankel

IPC: C08L23/16

CPC classification number: C08L23/16 ,  C08L2205/025 ,  C08L2207/07

Abstract: The invention provides a composition comprising a first composition, comprising a first ethylene/alpha-olefin/non-conjugated polyene and a second ethylene ethylene/alpha-olefin/non-conjugated polyene, and wherein the first composition comprises the following property: Mw>1389.6 [g/mole] MV+115,000 g/mole, wherein MV is the Mooney Viscosity (ML 1+4, 125 C), and Mw N is the weight average molecular weight, as determined by conventional GPC.

公开(公告)号：US11753521B2

公开(公告)日：2023-09-12

申请号：US16969762

申请日：2019-02-14

Applicant: Dow Global Technologies LLC

Inventor： Guang Ming Li ,  Raymond L. Laakso, Jr. ,  Yuming Lai ,  Xiaosong Wu

IPC: C08K3/22 ,  C08L9/00

CPC classification number: C08K3/22 ,  C08L9/00 ,  C08K2003/222 ,  C08K2003/2296

Abstract: A composition comprising at least the following components: A) one or more ethylene/alpha-olefin interpolymers, which comprise ≤3.5 wt % of a non-conjugated diene, based on the weight of the one or more ethylene/alpha-olefin interpolymers; B) an acid acceptor selected from the following: MgO, ZnO, or combination thereof.

公开(公告)号：US20220275121A1

公开(公告)日：2022-09-01

申请号：US17621935

申请日：2020-06-18

Applicant: Dow Global Technologies LLC

Inventor： Santosh S. Bawiskar ,  Guang Ming Li ,  Tianzi Huang

IPC: C08F210/18 ,  C08F8/00

Abstract: The present disclosure provides a process. In an embodiment, the process includes providing a neat ethylene/ propy-lene/non-conjugated polyene terpolymer (n-terpolymer) having a Mooney viscosity (ML (1+4) at 125C) less than 100 Mooney units (MU). The process includes exposing the n-terpolymer to electron beam radiation at a dosage from 0.2 megaRad (MRad) to 1.3 MRad. The process includes forming a branched ethylene/propylene/non-conjugated polyene terpolymer (b-terpolymer) having a Mooney viscosity ML (1+4) at 125C from 25 MU to 135 MU.

公开(公告)号：US20170233564A1

公开(公告)日：2017-08-17

申请号：US15502892

申请日：2015-09-30

Applicant: Dow Global Technologies LLC

Inventor： Guang Ming Li ,  Laura B. Weaver ,  Jeffrey M. Cogen ,  Stefan Ultsch

IPC: C08L23/08 ,  C08L31/04 ,  C08L23/28

CPC classification number: C08L23/0815 ,  B29C45/0001 ,  B29C47/0004 ,  B29C65/04 ,  B29C66/73921 ,  B29K2023/04 ,  C08K5/3417 ,  C08L23/286 ,  C08L31/04 ,  C08L53/00 ,  C08L2201/02 ,  C08L2205/025

Abstract: The invention provides a composition comprising at least the following components: A) a first composition comprising a first ethylene-based interpolymer; and where the first composition has a density less than, or equal to, 0.91 g/cc, and a melt index (I2) from 6.0 to 20.0 g/10 min; B) optionally, at least one filler that is capable of being excited by an alternating electromagnetic field at a frequency greater than, or equal to, 10 MHz; C) at least one flame retardant selected from the following: i) from 30.0 to 50.0 wt % of one or more non-halogen, inorganic flame retardant compounds, based on the weight of the composition; or ii) from 8.0 to 30.0 wt % of one or more halogen-containing flame retardant compounds, based on the weight of the composition; and D) at least one polar polymer.

公开(公告)号：US12070876B2

公开(公告)日：2024-08-27

申请号：US17272338

申请日：2019-08-27

Applicant: Dow Global Technologies LLC

Inventor： Santosh S. Bawiskar ,  Michael J. Zogg, Jr. ,  Guang Ming Li ,  Yi Jin ,  Lonnie Schilhab

IPC: B29B13/04 ,  B29B9/10 ,  B29K23/00 ,  C08F210/16 ,  C08J3/12

CPC classification number: B29B13/04 ,  B29B9/10 ,  C08F210/16 ,  C08J3/12 ,  B29K2023/06 ,  B29K2023/12 ,  B29K2995/0063 ,  B29K2995/0088

Abstract: An apparatus to batch or continuously form solid polymer particles, the apparatus comprising the following components: A) at least one pastillation unit comprising a pastillation head, said unit used to form discrete molten polymer particles from a polymer melt; B) a moving belt to receive and transfer the discrete molten polymer particles from the pastillation head; C) a means to transfer water onto the moving belt, such that the water comes into contact with the discrete molten polymer particles on the moving belt to form the solid polymer particles; and wherein the water of component C is sprayed onto the discrete molten polymer particles, such that the ratio of “the rate of water spray” to “the discharge rate” is ≥3.0; and wherein the belt residence time is ≤50 seconds.