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公开(公告)号:US20210246291A1
公开(公告)日:2021-08-12
申请号:US17049492
申请日:2018-04-27
Applicant: Dow Global Technologies LLC
Inventor: Bo Lyu , Yong Chen , Rongjuan Cong , Yabin Sun , Tao Han , Bharat I. Chaudhary
Abstract: The present application relates to a composition comprising the following components: A) at least one ethylene/alpha-olefin interpolymer; B) a peroxide; C) at least one filler selected from one or more carbon black samples, MgO, or a combination thereof; and optionally, at least one filler selected from silica, ZnO, CaCO3, A1 (OH)3, Mg (OH)2, or a combination thereof; D) a calculated P content from 0.010 wt % to 0.300 wt %, based on the weight of the composition, and wherein the calculated P content is the calculated content the phosphorus element present in one or more phosphate compounds selected from Structure 1 below: O═P (OR1) (OR2) (OR3) (Structure 1), wherein R1, R2 and R3 are each, independently, selected from i) a non-aromatic hydrocarbon or ii) a non-aromatic hydrocarbon comprising at least one heteroatom, excluding P.
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公开(公告)号:US20210238438A1
公开(公告)日:2021-08-05
申请号:US17050515
申请日:2019-04-26
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor: Bharat I. Chaudhary , Xindi Yu , Yichi Zhang , Peter C. Dreux
IPC: C09D123/08 , C08K5/3492 , C08F210/02 , H01B3/44
Abstract: The present disclosure provides a composition. The composition includes a silane functionalized polyolefin; and a hindered amine light stabilizer (HALS) having a Mw greater than 5,000 Dalton. The present disclosure also provides a coated conductor. The coated conductor includes a conductor and a coating on the conductor, the coating including a composition. The coating composition includes a silane functionalized polyolefin; and a hindered amine light stabilizer (HALS) having a Mw greater than 5,000 Dalton.
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公开(公告)号:US10968338B2
公开(公告)日:2021-04-06
申请号:US16330165
申请日:2017-09-08
Applicant: Dow Global Technologies LLC
Inventor: Manish Mundra , Bharat I. Chaudhary , Abhijit Ghosh-Dastidar , Peter C. Dreux
IPC: C08L23/26 , H01B7/295 , C09K21/02 , C09K21/08 , C08K3/22 , C08K5/00 , C08K5/06 , C08K5/23 , C08L23/08 , C08L25/18 , C08L33/16 , C08K5/3417
Abstract: The present disclosure provides a composition. The composition includes a silanol functionalized polyolefin; an anhydride-free brominated flame retardant; antimony trioxide; and the composition has an antimony (Sb) to bromine (Br) molar ratio (Sb:Br molar ratio) from 0.37 to 1.05. The present disclosure also provides a coated conductor. The coated conductor includes a conductor and a coating on the conductor, the coating including a composition. The composition includes a silanol functionalized polyolefin; an anhydride-free brominated flame retardant; antimony trioxide; and the composition has an antimony (Sb) to bromine (Br) molar ratio (Sb:Br molar ratio) from 0.37 to 1.05.
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14.
公开(公告)号:US20200231712A1
公开(公告)日:2020-07-23
申请号:US16634914
申请日:2018-07-13
Applicant: Dow Global Technologies LLC
Inventor: Otto J. Berbee , Stefan Hinrichs , Bharat I. Chaudhary , Teresa P. Karjala , John O. Osby , Jose Ortega
Abstract: A high pressure, free radical polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene, using a polymerization system comprising the following: (A) a reactor configuration comprising at least one reactor that comprises at least two reaction zones, a first reaction zone (reaction zone 1) and an ith reaction zone (where i≥2); wherein the ith reaction zone is the last reaction zone, and wherein i is the total number of reaction zones; (B) at least two ethylene-based feed streams, a first ethylene-based feed stream and an nth ethylene-based feed stream, wherein the first ethylene-based feed stream is sent to the first reaction zone, and the nth ethylene-based feed stream is the last ethylene based feed stream sent to the reactor configuration; wherein n≤i; and RZn/RZ1 does not equal 1.0, where RZ1=mole fraction of make-up ethylene in the first ethylene-based feed stream to the first reaction zone; where RZn=mole fraction of make-up ethylene in the last ethylene-based feed stream sent to the reactor configuration; (C) a control system to control the percentage of the make-up ethylene in the first ethylene-based feed stream, and the percentage of the make-up ethylene in the nth ethylene-based feed stream; and wherein at least one reaction zone receives a CTA make-up feed stream comprising an alpha-olefin, and wherein the alpha-olefin has a chain transfer activity constant (Cs) value ≤0.10, and wherein the chain transfer activity constant (Cs) is measured at 1360 atm, 130° C.
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公开(公告)号:US20200181374A1
公开(公告)日:2020-06-11
申请号:US16623858
申请日:2018-08-27
Applicant: Dow Global Technologies LLC
Inventor: Bharat I. Chaudhary
Abstract: A process of melt compounding a polyolefin formulation comprising a ethylenic-based (co)polymer, an antioxidant, and from 0.15 to 1.00 weight percent of an organic peroxide having a 1-hour half-life temperature of less than or equal to 155 degrees Celsius (° C.) and/or a 10-hour half-life temperature of less than or equal to 135° C. Also, intermediate compositions having a modified rheology and crosslinked polyolefin products made therefrom; methods of making and using same; and articles containing same.
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公开(公告)号:US20200047387A1
公开(公告)日:2020-02-13
申请号:US16344691
申请日:2017-10-13
Applicant: Dow Global Technologies LLC
Inventor: Qian Gou , Mark A. Spalding , Bharat I. Chaudhary , Karl Seven
Abstract: Lower discharge temperatures and improved flow rates are obtained for the processing of meltable, solid crosslinkable compositions comprising a polymer, e.g., polyethylene, and a peroxide, in a single barrel extruder by equipping the extruder with an energy transfer (ET) screw that comprises: (1) an ET section with a distance averaged ET section depth of 8.0% to 10% of the extruder barrel internal diameter, and (2) a metering section with a metering section depth of 6.0% to 8% of the extruder barrel internal diameter.
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公开(公告)号:US10472506B2
公开(公告)日:2019-11-12
申请号:US16069223
申请日:2017-01-31
Applicant: Dow Global Technologies LLC
Inventor: Yichi Zhang , Marcio Teixeira Alves , Bharat I. Chaudhary
Abstract: A composition for use in jacketing or insulation materials that has from 42 to 54 percent by weight of a halogen-free flame retardant, from 26 to 46 percent by weight of an ethylene alkyl acrylate copolymer, such as ethylene ethyl acrylate, optionally from 0 to 15 percent by weight of an ethylene-based polymer, optionally from 0 to 12 percent by weight of a coupling agent, and optionally from 0 to 1 percent by weight of an antioxidant. A cable insulation layer, a cable protective outer jacket, a cable core sheath, and cable may include the jacketing material composition.
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18.
公开(公告)号:US20190309117A1
公开(公告)日:2019-10-10
申请号:US16308987
申请日:2017-06-08
Applicant: Dow Global Technologies LLC , Rohm and Haas Company
Inventor: Yichi Zhang , Bharat I. Chaudhary , Morgan M. Hughes , Xindi Yu
Abstract: Compositions useful as coatings for wire and cable comprise, in weight percent (wt %) based on the weight of the composition: (A) 10 to 62 wt % of a silane-grafted ethylene polymer (Si-g-PE) having a silane content of 0.5 to 5 wt % based on the weight of the Si-g-PE, wherein the Si-g-PE is made from an ethylene polymer (base resin) having the following properties. (1) Density of 0.875 to 0.910 g/cc; (2) Melt index (MI, 12) of 8 to 50 g/10 min (190° C./2.16 kg); and (B) 38 to 90 wt % of a halogen-free flame retardant (HFFR); (C) 0 to 0.3 wt % of an antioxidant; and (D) 0 to 1 wt % of a silanol condensation catalyst.
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公开(公告)号:US10308829B2
公开(公告)日:2019-06-04
申请号:US15028967
申请日:2014-11-10
Applicant: Dow Global Technologies LLC
Inventor: Bharat I. Chaudhary
IPC: C09D123/26 , C08K5/14 , H01B3/44 , C08F110/02
Abstract: Crosslinkable polymeric compositions comprising a polyolefin having hydrolyzable silane groups, an organic peroxide, and optionally a silanol condensation catalyst. Such crosslinkable polymeric compositions are crosslinkable via a combination of peroxide crosslinking and moisture curing. Such crosslinkable polymeric compositions can be employed in the production of various articles of manufacture, such as coated conductors.
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公开(公告)号:US20180163039A1
公开(公告)日:2018-06-14
申请号:US15580362
申请日:2016-05-25
Applicant: Dow Global Technologies LLC
Inventor: Bharat I. Chaudhary , Christopher R. Eddy , Sarat Munjal , Kalyan Sehanobish , Hayley Brown , John Osby , Jose Ortega
CPC classification number: C08L23/26 , C08F2/01 , C08F2500/11 , C08J3/24 , C08K5/14 , C08L23/0846 , H01B3/307 , C08F210/02 , C08F2/02 , C08F2500/09 , 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
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