公开(公告)号：US20240218154A1

公开(公告)日：2024-07-04

申请号：US18555698

申请日：2021-06-30

Applicant: Dow Global Technologies LLC

Inventor： Yabin Sun ,  Gaoxiang Wu ,  Jeffrey C. Munro ,  Colin Li Pi Shan ,  Brian M. Habersberger ,  Thomas Wesley Karjala, Jr. ,  Johnathan E. DeLorbe

IPC: C08K5/14 ,  C08K5/00

CPC classification number: C08K5/14 ,  C08K5/0025

Abstract: Provided is a process to form a crosslinked composition. the process comprising applying heat. and optionally radiation. to a composition that comprises at least the following components a) and b): a) an olefin-based polymer that comprises a total unsaturation ≥ 0.20/1000 C: b) at least one peroxide selected from at least one of the following: i) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical I, ii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical II, iii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical III, iv) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical IV, or v) any combination of i) through iv); and wherein Radical I. Radical II. Radical III or Radical IV are each described herein.

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：US20200239674A1

公开(公告)日：2020-07-30

申请号：US16639681

申请日：2018-08-24

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Colin Li Pi Shan ,  Lixin Sun ,  Jeft F. Manganelli ,  Timothy E. Clayfield

IPC: C08L23/08 ,  C08L49/00

Abstract: A composition comprising an ethylene/C5-C10 alpha-olefin/non-conjugated polyene interpolymer, wherein the interpolymer meets the following relationship: Tg (° C.)≤[0.625(° C./wt %)XC−55° C.], where Tg is the glass transition temperature of the interpolymer, and XC is the wt % crystallinity of the interpolymer.

公开(公告)号：US10370524B2

公开(公告)日：2019-08-06

申请号：US14411453

申请日：2013-03-15

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Colin Li Pi Shan

IPC: C08L23/36 ,  C08L9/00 ,  C08L23/16 ,  C08L23/12 ,  C08L91/00

Abstract: The invention provides a composition comprising at least the following components: A) an ethylene/α-olefin/nonconjugated polyene interpolymer that has the following properties: i) a rheology ratio (V0.1/V100 at 190° C.) greater than, or equal to, 35; ii) a weight average molecular weight (Mw) greater than, or equal to, 200,000 g/mol; and iii) a CCDB (Chemical Composition Distribution Breadth) less than 7; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the interpolymer comprises incorporated oil. The invention also provides a composition comprising the following: A) a first composition comprising: a) a first ethylene/α-olefin/nonconjugated polyene interpolymer; b) a second ethylene/α-olefin/nonconjugated polyene interpolymer; and wherein the first composition has the following properties: i) an MWD less than, or equal to, 3.5, ii) a Mooney Viscosity (ML (1+4, 125° C.)) greater than, or equal to, 60, iii) a CCDB from 7 to 15; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the first interpolymer and the second interpolymer comprise incorporated oil.

公开(公告)号：US10155862B2

公开(公告)日：2018-12-18

申请号：US15539003

申请日：2015-12-11

Applicant: Dow Global Technologies LLC

Inventor： Xiaosong Wu ,  Kim L. Walton ,  Colin Li Pi Shan

IPC: C08F297/08 ,  C08L53/00 ,  C08L23/16 ,  C08L23/12

Abstract: A thermoplastic vulcanizate composition includes (a) a crystalline thermoplastic polyolefin comprising alpha-olefin monomers having from 2 to 5 carbon atoms, (b) a rubber block interpolymer comprising a first block and a second block having differing chemical or physical properties from the first block, the first block is derived from ethylene, a first alpha-olefin monomer having from 3 to 10 carbon atoms, and a first diene monomer having from 2 to 25 carbon atoms, the second block is derived from ethylene, a second alpha-olefin monomer having from 3 to 10 carbon atoms, and optionally a second diene monomer having from 2 to 25 carbon atoms, and an amount of the block interpolymer in the composition being greater than an amount of the thermoplastic polyolefin in the composition, and (c) a curative system.

公开(公告)号：US20180312662A1

公开(公告)日：2018-11-01

申请号：US15755722

申请日：2016-08-22

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Juan C. Tuberquia ,  Rennisha Wickham ,  Philip P. Fontaine ,  Colin Li Pi Shan ,  Morgan M. Hughes ,  Jan Bazen ,  Edward O. Madenjian ,  Gregory J. Brennan

IPC: C08K5/14 ,  C08F210/16 ,  C08J3/24 ,  H01B3/44

CPC classification number: C08K5/14 ,  C08F210/16 ,  C08L2203/202 ,  C08L2205/06 ,  C08L2314/00 ,  C08L23/0815 ,  C08F2/001 ,  C08F2/04 ,  C08F4/68482 ,  C08F210/14 ,  C08F2500/17 ,  C08F2500/11 ,  C08F210/06

Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 99 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190° C. and 10% strain of 1,200 Pa-s or less, and (iii) a shear thinning ratio (V0.1/V100) at 190° C. and 10% strain of at least 8; and (b) 0 to less than 10 weight percent of a filler, where the ethylene-based interpolymer is not prepared in a high-pressure reactor. Such crosslinkable polymeric compositions may be employed as insulation layers in flexible power cables.

公开(公告)号：US20250059361A1

公开(公告)日：2025-02-20

申请号：US18721429

申请日：2021-12-20

Applicant: Dow Global Technologies LLC

Inventor： Yunfeng Yang ,  Xuejun Liu ,  Colin Li Pi Shan ,  Wanfu Ma

IPC: C08L23/08 ,  C08L53/00 ,  D06N3/04 ,  D06N3/10

Abstract: A composition comprising at least the following components: a) at least one olefin-based interpolymer that comprises the following properties: i) a melt index (I2)≤30 dg/min or a melt flow rate (MFR)≤30 dg/min, b) a tackifier; and wherein the composition has a melt index (I2)≤10 g/10 min.

公开(公告)号：US12129368B2

公开(公告)日：2024-10-29

申请号：US17419275

申请日：2019-12-27

Applicant: Dow Global Technologies LLC

Inventor： Jeffrey C. Munro ,  Haiyang Yu ,  Hong Yang ,  Lixin Sun ,  Colin Li Pi Shan

IPC: C08L23/16 ,  C07F3/06 ,  C07F5/06 ,  C08F2/38 ,  C08F210/02 ,  C08F210/06 ,  C08F210/14 ,  C08J9/10 ,  C08J9/14 ,  C08K5/00 ,  C08K5/14 ,  C08K5/3435 ,  C08K5/5419 ,  C08K5/5425 ,  C08L23/04 ,  C08L23/06 ,  C08L23/08 ,  C08L23/20 ,  H01L31/048 ,  C08F210/16 ,  C08K5/23

CPC classification number: C08L23/0815 ,  C07F3/06 ,  C07F5/062 ,  C08F2/38 ,  C08F210/02 ,  C08F210/06 ,  C08F210/14 ,  C08J9/103 ,  C08J9/14 ,  C08J9/142 ,  C08K5/0025 ,  C08K5/005 ,  C08K5/14 ,  C08K5/3435 ,  C08K5/5419 ,  C08K5/5425 ,  C08L23/16 ,  C08L23/20 ,  H01L31/0481 ,  C08F210/16 ,  C08J2203/04 ,  C08J2323/06 ,  C08J2323/14 ,  C08J2323/20 ,  C08J2353/00 ,  C08J2423/08 ,  C08J2423/14 ,  C08J2423/20 ,  C08K5/23 ,  C08L2203/14 ,  C08L2203/16 ,  C08L2203/202 ,  C08L2203/206 ,  C08L2205/025 ,  C08L2207/066 ,  C08L2312/08 ,  C08L2314/06

Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

公开(公告)号：US20240209198A1

公开(公告)日：2024-06-27

申请号：US18556247

申请日：2021-06-30

Applicant: Dow Global Technologies LLC

Inventor： Yabin Sun ,  Gaoxiang Wu ,  Jeffrey C. Munro ,  Colin Li Pi Shan ,  Kainan Zhang

IPC: C08L23/16

CPC classification number: C08L23/16 ,  C08L2312/08

Abstract: A process, and related composition, to form a crosslinked composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) elastomer, or an olefin-based polymer that has a density >0.920 g/cc, and wherein component a has a total unsaturation ≥0.20/1000 C; b) a molecule comprising at least one Si—H group; c) at least one peroxide; and d) optionally, at least one crosslinking coagent different from component b. A process, and related composition, to form a crosslinked composition, the process comprising applying radiation, and optionally heat, to a composition that comprises the following components: a) elastomer, or an olefin-based polymer that has a density ≥0.920 g/cc, and wherein component a has a total unsaturation ≥0.20/1000 C; b) a molecule comprising at least one Si—H group.

公开(公告)号：US20240076458A1

公开(公告)日：2024-03-07

申请号：US18549098

申请日：2022-05-11

Applicant: Dow Global Technologies LLC

Inventor： Jeffrey C. Munro ,  Santosh S. Bawiskar ,  Colin Li Pi Shan ,  Alexander Williamson ,  Teresa P. Karjala

IPC: C08J3/24 ,  C08J3/28

CPC classification number: C08J3/247 ,  C08J3/28 ,  C08J2323/08 ,  C08J2323/22

Abstract: A process to form a rheology modified composition, the process comprising applying radiation, and optionally heat, to a composition that comprises at least the following component: a) an olefin-based polymer comprising a total unsaturation ≥0.20 /1000 C; and wherein the radiation is applied using an electron beam (e-beam) at a dosage selected from 0.1 MRad to 1.5 MRad; and wherein component a is selected from a telechelic polyolefin of the formula A1L1L2A2, an unsaturated polyolefin of the formula A1L1, or an ethylene/alpha-olefin interpolymer. A process to form a rheology modified composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) an olefin-based polymer, as described above, comprising a total unsaturation ≥0.20/1000 C; b) from 1.0 to 100 ppm of a peroxide, based on the weight of the composition.