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公开(公告)号：US12163016B2
公开(公告)日：2024-12-10
申请号：US17611710
申请日：2019-05-24
Applicant: Dow Global Technologies LLC
Inventor： Chao He , Wenke Miao , Xianmin Xu , Mohamed Esseghir , Xiaoxing Miao , Hongyu Chen
Abstract: The present disclosure provides a crosslinked polymeric composition. The crosslinked polymeric composition contains (A) a silane functionalized ethylene-based polymer and (B) inorganic hollow microspheres having (i) a D90 particle size from 10 μm to 100 μm, (ii) a crush strength from 17 MPa to 140 MPa, and (iii) a density from 0.10 g/cc to 0.40 g/cc. The crosslinked polymeric composition has a tensile strength from 11 MPa to 40 MPa and a tensile elongation from 12% to 100%.
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42.发明公开公开(公告)号：US20240084116A1
公开(公告)日：2024-03-14
申请号：US18263409
申请日：2022-01-27
Applicant: Dow Global Technologies LLC
Inventor： Mohamed Esseghir , Theo Geussens , Andrew T. Heitsch , Karl M. Seven , Stephanie M. Whited , Lalit A. Darunte , Mridula Kapur , John P. O'Brien
CPC classification number: C08L23/0815 , C08F2/34 , C08F4/65912 , C08F10/02 , C08K3/04 , C08L2203/206 , C08L2314/02
Abstract: In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 g/cm3 to 0.960 g/cm3, a melt index (I2) of from 0.3 dg/min to 1.2 dg/min, and a melt flow ratio (MFR21) greater than 70.0. The high molecular weight component may have a density of from 0.917 g/cm3 to 0.929 g/cm3, and a high load melt index (I21) of from 0.85 dg/min to 4.00 dg/min. The bimodal polyethylene may include from 40 wt. % to 60 wt % of the high molecular weight component. Methods for producing the bimodal polyethylene and articles manufactured from the bimodal polyethylene are also provided.
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43.发明公开公开(公告)号：US20230303737A1
公开(公告)日：2023-09-28
申请号：US18040546
申请日：2021-07-07
Applicant: Dow Global Technologies LLC
Inventor： Mohamed Esseghir , Chuan C. He , Mridula Kapur , Andrew T. Heitsch , Theo Geussens , John F. Szul
IPC: C08F210/16 , C08F4/659 , H01B1/22 , H01B3/30
CPC classification number: C08F210/16 , C08F4/65908 , H01B1/22 , H01B3/30
Abstract: In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 grams per centimeter (g/cm3) to 0.960 g/cm3, a melt index (I2) of from 0.3 decigrams per minute (dg/min) to 1.2 dg/min, a melt flow ratio (MFR21) greater than 80.0, a molecular weight distribution (Mw/Mn) greater than 10, a reverse comonomer distribution, and a shear thinning index of from 5.0 to 20.0. Methods for producing the bimodal polyethylene, articles manufactured from the bimodal polyethylene are also provided.
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公开(公告)号：US11767419B2
公开(公告)日：2023-09-26
申请号：US17049643
申请日：2019-04-11
Applicant: Dow Global Technologies LLC
Inventor： Saswati Pujari , Manish Talreja , Mohamed Esseghir
CPC classification number: C08L23/06 , C08K3/30 , C08K5/57 , C08L23/0815 , C08L23/26 , C08L51/06 , H01B3/441 , C08K2003/309 , C08L2203/202 , C08L2205/02 , C08L2207/062 , C08L2207/064 , C08L2207/066 , C08L2312/08
Abstract: A melt blended composition comprising, in weight percent (wt %) based upon the weight of the composition: (A) 55 to 94.99 wt % of a thermoplastic polymer, (B) 5 to 44.99 wt % of a moisture curable polymer, and (C) 0.01 to 5 wt % of a moisture condensation catalyst exhibits enhanced rheological and mechanical properties as compared to a composition alike in all aspects save for the presence of a moisture curable polymer.
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45.发明公开公开(公告)号：US20230272196A1
公开(公告)日：2023-08-31
申请号：US18019702
申请日：2021-07-07
Applicant: Dow Global Technologies LLC
Inventor： Paul J. Brigandi , Mohamed Esseghir , Kumar N. Sanketh , Chuan C. He , Mridula Kapur , Andrew T. Heitsch , John F. Szul
IPC: C08L23/08 , C09D123/08 , C08K3/04
CPC classification number: C08L23/0815 , C09D123/0815 , C08K3/04 , C08L2205/025 , C08L2203/202 , C08L2207/20
Abstract: In various embodiments, a thermoplastic composition may comprise from 0.5 wt. % to 75.0 wt. % of recycled polyethylene comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof, and from 25.0 wt. % to 99.5 wt. % of virgin raw polyethylene comprising unimodal polyethylene, bimodal polyethylene, or combinations thereof, wherein at least 90.0 wt. % of the thermoplastic composition is comprised of the post-consumer recycled polyethylene and the virgin raw polyethylene. Manufactured articles made from the thermoplastic composition, such as coated conductors, are also provided.
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Patent Agency Ranking
公开(公告)号：US20230144837A1
公开(公告)日：2023-05-11
申请号：US17255026
申请日：2019-06-27
Applicant: Dow Global Technologies LLC
Inventor： Anny L. Flory , Karl M. Seven , Mohamed Esseghir , Chester J. Kmiec , Rajen M. Patel
IPC: H01B3/44
CPC classification number: H01B3/441
Abstract: The present disclosure provides a coated conductor. The coated conductor includes a conductor and an outermost coating on the conductor. The coating includes (A) an ethylene-based polymer having an I21/I2 ratio from 20 to 50; and (B) a propylene/ethylene copolymer having a Mw/Mn from 2.0 to 3.5. The coating has a surface roughness from 20 μ-inch to 100 μ-inch.
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公开(公告)号：US20220195232A1
公开(公告)日：2022-06-23
申请号：US17604561
申请日：2019-07-01
Applicant: Dow Global Technologies LLC
Inventor： Wenke Miao , Chao He , Xianmin Xu , Mohamed Esseghir , Xiaoxiong Miao
IPC: C09D123/06 , B32B1/00 , B32B27/32 , B32B27/08 , H01B3/44
Abstract: A cable includes (a) a conductor; and (b) an expanded polymeric coating surrounding at least a portion of the conductor, the expanded polymeric coating including: (i) 70.0 wt. % to 99.8 wt. % low-density polyethylene homopolymer; and (ii) 0.2 wt. % to 5.0 wt. % of expanded polymeric microspheres having a D50 average diameter of from 25 μm to 40 μm, wherein the expanded polymeric coating has a density of 0.75 g/cc or less.
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公开(公告)号：US11361884B2
公开(公告)日：2022-06-14
申请号：US16629224
申请日：2018-06-27
Applicant: Dow Global Technologies LLC
Inventor： Mohamed Esseghir , Arne Ulbrich , William J. Harris
Abstract: A protective jacket for cable includes (a) an exterior layer (1) free of a pest repellant, and (2) having external and internal facial surfaces; (b) an inner layer (1) having a shore d hardness of equal to or greater than (≥) 63, (2) including a pest repellant, and (3) having two facial surfaces; and (c) optionally, a tie layer in contact with the internal facial surface of the exterior layer and a facial surface of the inner layer.
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公开(公告)号：US11261317B2
公开(公告)日：2022-03-01
申请号：US16718367
申请日：2019-12-18
Applicant: Dow Global Technologies LLC
Inventor： Gangwei Sun , Mohamed Esseghir , Chester J. Kmiec , Lei Ying , Yabin Sun , Xianmin Xu
Abstract: A polyolefin composition is foamed by a process in which a nucleator is used, and the nucleator comprises 80% or more of unagglomerated fluororesin particles and/or agglomerates of fluororesin particles in which both the unagglomerated particles and the agglomerates are less than 1 μm in size.
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公开(公告)号：US20210364719A1
公开(公告)日：2021-11-25
申请号：US17041221
申请日：2019-03-13
Applicant: Dow Global Technologies LLC
Inventor： Karl M. Seven , Jeffrey M. Cogen , Mohamed Esseghir
Abstract: The present disclosure provides a flooding composition. In an embodiment, the flooding composition includes in weight percent (wt %) based on the weight of the composition (A) from 10 wt % to 45 wt % of a silane-grafted polyolefin (Si-g-PO). The flooding composition also includes (B) from 5 wt % to 60 wt % of a polyα-olefin oil (PAO oil), (C) from 15 wt % to 90 wt % of a polysiloxane, and (D) from 0.05 wt % to 0.2 wt % of a catalyst.
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