-
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
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.
-
22.发明授权公开(公告)号：US10654955B2
公开(公告)日：2020-05-19
申请号：US15311452
申请日：2015-06-24
Applicant: Dow Global Technologies LLC
Inventor： John O. Osby , Teresa P. Karjala , Otto J. Berbee , James L. Cooper
IPC: C08F210/02 , C08G67/02 , C08L23/08 , C09D123/08 , C08G65/332
Abstract: The invention provides a composition comprising an ethylene-based polymer, comprising at least the following: A) a unit derived from Carbon Monoxide (CO); and B) a unit derived from at least one Rheology Modifying Agent (RMA) selected from the following RMA1, RMA2, RMA3, RMA4, RMA5, each as described herein, or a combination thereof.
-
公开(公告)号：US20200148799A1
公开(公告)日：2020-05-14
申请号：US16617128
申请日：2018-06-01
Applicant: Dow Global Technologies LLC
Inventor： John O. Osby , Mehmet Demirors , Ivan A. Konstantinov
IPC: C08F210/02 , C08F210/18 , C08L101/00
Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, and wherein the reaction takes place in the presence of at least one free-radical initiator; and wherein the at least one asymmetrical polyene is selected from Structure A, as described herein; Structure B, as described herein; or a combination of Structure A and Structure B.
-
公开(公告)号：US10465023B2
公开(公告)日：2019-11-05
申请号：US15574315
申请日：2016-05-09
Applicant: Dow Global Technologies LLC
Inventor： John O. Osby
IPC: C08F210/02 , C08F4/38 , C08F2/38 , C08F210/16 , C08F210/06
Abstract: The invention provides a process to form an ethylene-based polymer, and said ethylene-based polymer, said process comprising polymerizing a reaction mixture comprising ethylene and at least the following A) and B): A) a Rheology Modifying Agent (RMA) selected from the following i) through v), as described herein; B) at least one comonomer selected from the following a) through c), as described herein.
-
公开(公告)号：US20190194361A1
公开(公告)日：2019-06-27
申请号：US16307371
申请日：2017-06-23
Applicant: Dow Global Technologies LLC
Inventor： Otto J. Berbee , Stefan Hinrichs , Hayley A. Brown , Bharat I. Chaudhary , John O. Osby , Teresa P. Karjala
IPC: C08F2/01 , C08F2/00 , C08F210/02 , C08F210/16 , C08F218/08 , C08F230/08 , B01J19/24
CPC classification number: C08F2/01 , B01J19/2415 , B01J2219/00162 , B01J2219/00182 , C08F2/00 , C08F2/001 , C08F210/02 , C08F210/16 , C08F218/08 , C08F230/08 , C08F216/08 , C08F216/34
Abstract: A high pressure polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene and at least one comonomer, using a reactor system comprising a reactor configuration, and the following: (A) at least two reaction zones, a zone (reaction zone 1) and an ith zone (reaction zone i where i≥2), (B) at least two ethylene-based feed streams, each comprising a percentage of the total make-up ethylene fed to the polymerization process, and wherein a first stream is sent to reaction zone 1 and a second stream is sent to reaction zone i; (C) a control system to control the percentage of the total make-up ethylene in the stream sent to reaction zone 1, and the percentage of the total make-up ethylene in the stream sent to reaction zone i, and wherein the ratio (Q) of the molar concentration of the at least one comonomer fed to the first reaction zone, to the molar concentration of comonomer in the sum of all ethylene-based feeds to the reactor configuration, meets the following Equation 1: 0.23 ln(r1)−2.16≤Q≤−0.25 ln(r1)+2.15 (Equation 1); and wherein the comonomer has a reactivity ratio (r1) as follow: 0.3≤r1≤5.0, and a boiling point (1 atm)≤150° C.
-
Patent Agency Ranking
公开(公告)号：US20180171047A1
公开(公告)日：2018-06-21
申请号：US15736921
申请日：2016-06-23
Applicant: Dow Global Technologies LLC
Inventor： Otto J. Berbee , Stefan Hinrichs , Sean W. Ewart , John O. Osby
Abstract: A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one symmetrical polyene and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) in the presence of at least one free-radical initiator and 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. The ratio of “the activity of the CTA system of the feed to the first reaction zone” to the “activity of the CTA system of the cumulative feed to the reaction zone i,” (Z1/Zi), is less than or equal to (0.8-0.2*log(Cs)), wherein Cs is from 0.0001 to 10.
-
27.发明申请公开(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：US11891463B2
公开(公告)日：2024-02-06
申请号：US17254987
申请日：2019-06-26
Applicant: Dow Global Technologies LLC
Inventor： John O. Osby , Hayley A. Brown , Mehmet Demirors , Carmelo Declet Perez
IPC: C08F210/02 , C08F236/20 , C08L23/08 , C08F220/40 , C08F2/38 , C08F210/06
CPC classification number: C08F210/02 , C08F2/38 , C08F210/06 , C08F236/20 , C08L23/0869 , C08F220/40 , C08L2201/08 , C08L2203/16 , C08L2203/30 , C08L2207/066
Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, of Structure 1, as described herein.
-
公开(公告)号：US20230365792A1
公开(公告)日：2023-11-16
申请号：US18245511
申请日：2021-09-16
Applicant: Dow Global Technologies LLC , Dow Silicones Corporation
Inventor： Arkady L. Krasovskiy , John O. Osby , Andrew Heitsch , Eric Joffre , Nanguo Liu , Brian Dorvel , Alexandra Frankel
IPC: C08L23/06 , C08G77/20 , C08G77/442
CPC classification number: C08L23/06 , C08G77/20 , C08G77/442 , C08L2207/066 , C08L2203/16 , C08L2205/02
Abstract: Various embodiments described herein are directed to a polymer composition comprising polyethylene and a reaction product of the copolymerization of the ethylene and (meth)acrylic ester functionalized polysiloxane, and optionally one or more units derived from a termonomer. Articles made from the polymer composition and methods of making the polymer composition are also described.
-
-
-
-
-
-
-
-
-
Search Results
41
records
(took 0.026 seconds)
