公开(公告)号：US20140024775A1

公开(公告)日：2014-01-23

申请号：US14034002

申请日：2013-09-23

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Christopher R. Eddy ,  Lonnie G. Hazlitt ,  Pak-Meng Cham ,  Sarat Munjal ,  Wallace W. Yau

IPC: C08F255/02

CPC classification number: C08F255/02 ,  C08F110/02 ,  C08F255/00 ,  C08F297/08 ,  C08F297/083 ,  C08L23/0815 ,  C08L51/06 ,  C08L53/00 ,  C08L2666/02 ,  C08F2500/09 ,  C08F2500/12 ,  C08F2500/20 ,  C08F2500/17 ,  C08F2500/07 ,  C08F2500/19

Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm≧(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.

Abstract translation: 包含通过核磁共振测定的约0.1至约2.0单位/ 1000个碳原子的乙烯基聚合物，峰值熔融温度Tm，℃，熔化热，Hf / J， 通过DSC结晶度测定，其中Tm和Hf的数值对应于Tm> =（0.2143×Hf）+79.643的关系。 包含至少一种使用制备型升温洗脱分级方法在95℃或更高洗脱的制备性TREF级分的乙烯性聚合物，其中至少一种在95℃或更高洗脱的制备性TREF级分的gpcBR值大于 通过3D-GPC通过gpcBR分枝指数测定的0.05和小于5，并且其中至少5％的乙烯类聚合物在基于乙烯类聚合物的总重量的95℃或更高的温度下洗脱。

公开(公告)号：US11912852B2

公开(公告)日：2024-02-27

申请号：US18315338

申请日：2023-05-10

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Christopher R. Eddy ,  Sarat Munjal ,  Kalyan Sehanobish ,  Hayley Brown ,  John O. Osby ,  Jose Ortega

IPC: C08L23/26 ,  C08L23/08 ,  C08F2/01 ,  C08J3/24 ,  H01B3/30 ,  C08K5/14

CPC classification number: C08L23/26 ,  C08F2/01 ,  C08J3/24 ,  C08K5/14 ,  C08L23/0846 ,  H01B3/307 ,  C08F2500/11 ,  C08K5/14 ,  C08L23/26 ,  C08F210/02 ,  C08F2/02 ,  C08F210/02 ,  C08F2500/09 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/17

Abstract: An insulated wire or cable is made by a process comprising the steps of:



(A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of ≤0.5% and comprising:

(1) a high melt strength ethylene-based polymer made in a tubular reactor, and
(2) a peroxide, and


(B) crosslinking the high melt strength ethylene-based polymer.

公开(公告)号：US20170335034A1

公开(公告)日：2017-11-23

申请号：US15646322

申请日：2017-07-11

Applicant: Dow Global Technologies LLC

Inventor： Otto J. Berbee ,  Stefan Hinrichs ,  Christopher R. Eddy ,  Sarat Munjal ,  John O. Osby ,  Sean W. Ewart

IPC: C08F210/02 ,  C09D123/04

CPC classification number: C08F210/02 ,  C09D123/04 ,  Y02P20/582 ,  C08F2220/281 ,  C08F2220/282 ,  C08F2/01

Abstract: A process to form an ethylene-based polymer including polymerizing ethylene and at least one asymmetrical polyene comprising an “alpha, beta unsaturated-carbonyl end” (“α,β unsaturated-carbonyl end”) and a “C—C double bond end,” wherein the polymerization takes place in the presence of at least one free-radical initiator; and wherein the polymerization takes place in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i≧2), wherein reaction zone i is downstream from reaction zone 1.

公开(公告)号：US08859704B2

公开(公告)日：2014-10-14

申请号：US13858640

申请日：2013-04-08

Applicant: Dow Global Technologies LLC

Inventor： Teresa P. Karjala ,  Christopher R. Eddy ,  Mehmet Demirors ,  Wallace W. Yau ,  Sarat Munjal ,  Stefan Hinrichs ,  Jian Wang ,  Otto J. Berbee ,  Werner Zschoch ,  Cornelis J. Hosman ,  Lonnie G. Hazlitt

IPC: C08F10/02 ,  C08F110/02 ,  C08F2/38 ,  B01J19/24

CPC classification number: C08F10/02 ,  C08F110/02 ,  Y10S526/917 ,  C08F2/01 ,  C08F2/001 ,  C08F2/38 ,  C08F2/00 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/20 ,  C08F2500/04

Abstract: Disclosed is an ethylene-based polymer with a density from about 0.90 to about 0.94 in grams per cubic centimeter, with a molecular weight distribution (Mw/Mn) from about 2 to about 30, a melt index (I2) from about 0.1 to about 50 grams per 10 minutes, and further comprising sulfur from about 5 to about 4000 parts per million. The amount of sulfur is also determined based upon the total weight of the ethylene-based polymer. Also disclosed is process for making an ethylene-based polymer which includes the steps of splitting a process fluid for delivery into a tubular reactor; feeding an upstream process feed stream into a first reaction zone and at least one downstream process feed stream into at least one other reaction zone, where the process fluid has an average velocity of at least 10 meters per second; and initiating a free-radical polymerization reaction.

Abstract translation: 公开了密度为约0.90至约0.94（克/立方厘米）的乙烯基聚合物，分子量分布（Mw / Mn）为约2至约30，熔体指数（I 2）为约0.1至约 50克/ 10分钟，还含有约5至约4000ppm的硫。 硫的量也基于乙烯类聚合物的总重量来确定。 还公开了制备基于乙烯的聚合物的方法，其包括将工艺流体分离成管式反应器的步骤; 将上游工艺进料流进料到第一反应区和至少一个下游工艺进料流进入至少一个其它反应区，其中工艺流体的平均速度为至少10米/秒; 并引发自由基聚合反应。

公开(公告)号：US20230303815A1

公开(公告)日：2023-09-28

申请号：US18315338

申请日：2023-05-10

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Christopher R. Eddy ,  Sarat Munjal ,  Kalyan Sehanobish ,  Hayley Brown ,  John O. Osby ,  Jose Ortega

IPC: C08L23/26 ,  C08L23/08 ,  C08F2/01 ,  C08J3/24 ,  H01B3/30 ,  C08K5/14

CPC classification number: C08L23/26 ,  C08L23/0846 ,  C08F2/01 ,  C08J3/24 ,  H01B3/307 ,  C08K5/14 ,  C08F2500/11

Abstract: An insulated wire or cable is made by a process comprising the steps of:



(A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of ≤0.5% and comprising:

(1) a high melt strength ethylene-based polymer made in a tubular reactor, and
(2) a peroxide, and


(B) crosslinking the high melt strength ethylene-based polymer.

公开(公告)号：US20210054182A1

公开(公告)日：2021-02-25

申请号：US17091187

申请日：2020-11-06

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Christopher R. Eddy ,  Sarat Munjal ,  Kalyan Sehanobish ,  Hayley Brown ,  John O. Osby ,  Jose Ortega

IPC: C08L23/26 ,  C08L23/08 ,  C08F2/01 ,  C08J3/24 ,  H01B3/30 ,  C08K5/14

Abstract: An insulated wire or cable is made by a process comprising the steps of: (A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of ≤0.5% and comprising: (1) a high melt strength ethylene-based polymer made in a tubular reactor, and (2) a peroxide, and (B) crosslinking the high melt strength ethylene-based polymer.

公开(公告)号：US10457757B2

公开(公告)日：2019-10-29

申请号：US15574310

申请日：2016-06-30

Applicant: Dow Global Technologies LLC

Inventor： Christopher R. Eddy ,  Jeffery S. Bradley ,  Otto J. Berbee ,  Sarat Munjal ,  Bryan Gutermuth

IPC: C08F210/02 ,  B01J3/00 ,  B01J3/04

Abstract: A process to form an ethylene-based polymer comprising, in polymerized form, ethylene and at least one acid comonomer, said process comprising polymerizing a reaction mixture comprising the ethylene and the acid comonomer, in a reactor configuration comprising at least one Secondary compressor, at least one pressurization device, and at least one reactor selected from the following: at least one autoclave reactor, at least one tubular reactor, or a combination thereof; and wherein the reaction mixture is polymerized in the presence of at least one free-radical initiator, and at a pressure of at least 1000 Bar; and wherein at least a portion of a comonomer composition comprising at least a portion of the acid comonomer used in the polymerization, is compressed, to form a compressed comonomer composition, in the pressurization device, up to a discharge pressure ranging from 1000 Bar to 4000 Bar, and at a discharge temperature (DT) from 10 C to 100 C; and wherein the compressed comonomer composition bypasses the Secondary compressor, and is fed, downstream from the Secondary compressor, into the reactor, and/or into one or more feed streams to the reactor.

公开(公告)号：US20180037531A1

公开(公告)日：2018-02-08

申请号：US15787106

申请日：2017-10-18

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Robert Wilczynski ,  Christopher R. Eddy ,  John O. Osby ,  Lan T.P. Hoang Nguyen

IPC: C07C67/02 ,  C07C69/587 ,  C08F220/68 ,  C08F2/38 ,  C08F210/02 ,  C07C67/03

CPC classification number: C07C67/02 ,  C07C67/03 ,  C07C69/587 ,  C08F2/38 ,  C08F210/02 ,  C08F220/68 ,  C08F2220/1891 ,  C08F2220/287

Abstract: A process to form a composition comprising an asymmetrical polyene, the asymmetrical polyene comprising an “α,β unsaturated-carbonyl end” and a “C—C double bond end,” the process comprising: reacting an alkene- or polyene-containing alcohol with an alkyl ester of an α,β unsaturated carboxylic acid in the presence of at least the following components A) through C) to form a solution comprising an asymmetrical polyene: A) a lithium salt; B) a component selected from the group consisting of hydroquinone, an alkyl-substituted phenol, a substituted alkyl-substituted phenol, an alkyl-substituted hydroquinone, a substituted alkyl-substituted hydroquinone, and combinations thereof; and C) an N-oxyl-containing compound; wherein the “α,β unsaturated-carbonyl end” of the asymmetrical polyene is selected from the group consisting of structures a) through c), as described herein, and wherein the “C—C double bond end” of the asymmetrical polyene is selected from the group consisting of structures 1) through 17), as described herein.

公开(公告)号：US09796650B2

公开(公告)日：2017-10-24

申请号：US15100759

申请日：2014-11-21

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Robert Wilczynski ,  Christopher R. Eddy ,  John O. Osby ,  Lan T. P. Hoang Nguyen

IPC: C07C67/03 ,  C07C67/02 ,  C08F2/38 ,  C07C69/587 ,  C08F210/02

CPC classification number: C07C67/02 ,  C07C67/03 ,  C07C69/587 ,  C08F2/38 ,  C08F210/02 ,  C08F220/68 ,  C08F2220/1891 ,  C08F2220/287

Abstract: A process to form a composition comprising an asymmetrical polyene, the asymmetrical polyene comprising an “α,β unsaturated-carbonyl end” and a “C—C double bond end,” the process comprising: reacting an alkene- or polyene-containing alcohol with an alkyl ester of an α,β unsaturated carboxylic acid in the presence of at least the following components A) through C) to form a solution comprising an asymmetrical polyene: A) a lithium salt; B) a component selected from the group consisting of hydroquinone, an alkyl-substituted phenol, a substituted alkyl-substituted phenol, an alkyl-substituted hydroquinone, a substituted alkyl-substituted hydroquinone, and combinations thereof; and C) an N-oxyl-containing compound; wherein the “α,β unsaturated-carbonyl end” of the asymmetrical polyene is selected from the group consisting of structures a) through c), as described herein, and wherein the “C—C double bond end” of the asymmetrical polyene is selected from the group consisting of structures 1) through 17), as described herein.

公开(公告)号：US09777083B2

公开(公告)日：2017-10-03

申请号：US15308988

申请日：2015-05-08

Applicant: Dow Global Technologies LLC

Inventor： Sean W. Ewart ,  Teresa P. Karjala ,  Mehmet Demirors ,  Christopher R. Eddy

IPC: C08F110/02 ,  C08F10/02 ,  C08F4/00

CPC classification number: C08F110/02 ,  C08F10/02 ,  C08F4/00 ,  C08F210/02 ,  C08F220/18 ,  C08F218/08 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/04

Abstract: An ethylene-based polymer, e.g., LDPE, with a low dissipation factor is made by a process comprising the step of contacting at polymerization conditions ethylene and, optionally, one or more comonomers, e.g., an alpha-olefin, with at least one carbon-carbon (C—C) hydrocarbyl, free-radical initiator of Structure 1: wherein R1, R2, R3, R4, R5 and R6, are each, independently, hydrogen or a hydrocarbyl group and wherein, optionally, two or more R groups (R1, R2, R3, R4, R5 and R6) form a ring structure, with the provisos that at least one of R2 and R5, and at least one of R3 and R6 is a hydrocarbyl group of at least two carbon atoms, e.g., an alkaryl of at least seven carbon atoms.