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公开(公告)号:US20220153973A1
公开(公告)日:2022-05-19
申请号:US17442991
申请日:2020-02-11
Applicant: Dow Global Technologies LLC
Inventor: Bharat I. Chaudhary , Sarat Munjal , Rajesh P. Paradkar , Arkady L. Krasovskiy , Manish Talreja , Manish K. Mundra , Kevin P. Rogers , Bruce M. Hasch
Abstract: A moisture-curable polyethylene formulation comprising a (hydrolyzable silyl group)-functional polyethylene copolymer and a condensation cure catalyst. The formulation is designed to be rapidly moisture curable under ambient conditions. Also methods of making and using same; cured polymer products made therefrom; and articles containing or made from same.
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公开(公告)号:US11186711B2
公开(公告)日:2021-11-30
申请号:US16343898
申请日:2017-10-31
Applicant: Dow Global Technologies LLC
Inventor: Dachao Li , Rajen M. Patel , Timothy J. Person , Jeffrey M. Cogen , Bharat I. Chaudhary
IPC: C08L23/26 , C08J3/22 , C09D7/63 , C08F110/02 , C08K5/01 , C08K5/18 , C08K5/25 , C08K5/372 , C09D123/26 , H01B3/44
Abstract: An additive masterbatch composition comprising a semi-crystalline polyolefin carrier resin and an additive package comprising a product of a reaction of an acidic condensation catalyst and a secondary diarylamine. A moisture-curable polyolefin composition comprising the additive masterbatch composition and a (hydrolyzable silyl group)-functional polyolefin prepolymer. A method of making the compositions; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.
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83.
公开(公告)号:US20210261766A1
公开(公告)日:2021-08-26
申请号:US17256277
申请日:2019-06-26
Inventor: Yichi Zhang , Xindi Yu , Gerald Lawrence Witucki , Wen-Shiue Young , Bharat I. Chaudhary
Abstract: A jacket layer for a coated conductor is composed of (A) a crosslinked silane-functionalized polyolefin; (B) a flame retardant; (C) a silicone blend comprising (i) an MQ silicone resin, and (ii) a silicone other than an MQ silicone resin; (D) optionally, an antioxidant; and (E) from 0.000 wt % to 10 wt % of a silanol condensation catalyst.
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公开(公告)号:US10941220B2
公开(公告)日:2021-03-09
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: C08F218/08 , C08F2/01 , C08F2/00 , B01J19/24 , C08F210/02 , C08F210/16 , C08F230/08
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.
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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.
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公开(公告)号:US10648750B2
公开(公告)日:2020-05-12
申请号:US15514862
申请日:2015-10-14
Applicant: Dow Global Technologies LLC
Inventor: Mohamed Esseghir , Bharat I. Chaudhary , Jeffrey M. Cogen , Gary R. Marchand
IPC: F28F13/18 , B29C33/38 , B29C45/00 , C08K3/04 , C08K3/08 , C08L23/14 , C08L53/00 , F28F21/02 , C08L23/08
Abstract: Thermally conductive materials comprising an olefin block composite and a thermally conductive filler, where the thermally conductive filler is present in an amount sufficient to increase the thermal conductivity of the olefin block composite relative to the olefin block composite in its neat state. Such thermally conductive materials can be used in various articles of manufacture, such as a thermal interface material or a molded heat dissipation component.
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公开(公告)号:US20190248966A1
公开(公告)日:2019-08-15
申请号:US16343890
申请日:2017-10-31
Applicant: Dow Global Technologies LLC
Inventor: Li Dachao , Rajen M. Patel , Timothy J. Person , Jeffrey M. Cogen , Bharat I. Chaudhary , Paul J. Caronia
CPC classification number: C08J3/226 , C08J3/241 , C08J2323/04 , C08J2323/06 , C08J2323/10 , C08J2323/12 , C08J2323/16 , C08K3/01 , C08K5/42 , C08K5/5333 , C08L23/06 , C08L23/142 , C08L2310/00 , C08L2312/08 , H01B1/12
Abstract: An additive masterbatch composition comprising a semi-crystalline polyolefin carrier resin and an additive package comprising a product of a reaction of an acidic condensation catalyst and a secondary diarylamine. A moisture-curable polyolefin composition comprising the additive masterbatch composition and a (hydrolyzable silyl group)-functional polyolefin prepolymer. A method of making the compositions; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.
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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.
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89.
公开(公告)号:US20190027269A1
公开(公告)日:2019-01-24
申请号:US15755713
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: H01B3/44 , C08F210/16 , C08K3/34 , C09D123/08
Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 89 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, (iii) a shear thinning ratio (V0.1/V100) at 190 C and 10% strain of at least 8, and (iv) a melt index (I2) greater than 1 g/10 minutes; and (b) 10 to less than 90 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.
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公开(公告)号:US20180247730A1
公开(公告)日:2018-08-30
申请号:US15901178
申请日:2018-02-21
Applicant: Dow Global Technologies LLC
Inventor: Bharat I. Chaudhary
CPC classification number: H01B3/307 , C08L23/0853 , C08L23/0869 , C08L33/08 , C08L2201/02 , C08L2201/08 , C08L2203/202 , C08L2205/02 , C08L2312/00 , H01B3/441 , H01B7/295 , C08L23/12
Abstract: A peroxide-curable ethylene copolymer composition comprising (A) a crosslinkable ethylene/unsaturated carboxylic ester copolymer, (B) an effective amount of triallyl phosphate (TAP), (C) an organic peroxide, and, optionally, (D) a supplemental polyolefin. Also provided are a cured product made from the composition, methods of making and using same, and articles containing same.
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