公开(公告)号：US20240316906A1

公开(公告)日：2024-09-26

申请号：US17754753

申请日：2020-11-11

Applicant: Dow Global Technologies LLC ,  PERFORMANCE MATERIALS NA, INC.

Inventor： Karlheinz Hausmann ,  Justice Alaboson ,  Jian Wang ,  Brayden E. Glad ,  Ronald Wevers ,  Sanjib Biswas ,  Andrew T. Heitsch ,  Mridula Kapur ,  Didem Oner-Deliormanli ,  Joshua B. Gaubert ,  Alexander Williamson ,  Mehmet Demirors

IPC: B32B27/08 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34

CPC classification number: B32B27/08 ,  B32B27/306 ,  B32B27/32 ,  B32B27/34 ,  B32B2250/24 ,  B32B2255/10 ,  B32B2255/205 ,  B32B2307/518 ,  B32B2307/72 ,  B32B2307/7376

Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises: at least one inner layer comprising: (1) a polyethylene-based composition that comprises: (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of one or more polyethylenes having a density between 0.926 g/cm3 to 0.970 g/cm3 and a melt index (I2) between 0.1 to 10 g/10 min; (b) 20 to 5000 ppm, based on the total weight of the polyethylene-based composition of a sorbitol acetal derivative comprising the structure of formula (I): wherein R1-R5 comprise the same or different moieties chosen from hydrogen and a C1-C3 alkyl.

公开(公告)号：US20220275114A1

公开(公告)日：2022-09-01

申请号：US17630791

申请日：2020-07-28

Applicant: Dow Global Technologies LLC

Inventor： Linfeng Chen ,  Andrew T. Heitsch ,  Jeffrey A. Sims ,  David M. Pearson ,  Kurt F. Hirsekorn

IPC: C08F4/6592 ,  C08F4/659 ,  C08F4/655 ,  C08F2/04

Abstract: The catalyst system includes a heterogeneous procatalyst and a hydrogenation procatalyst. The heterogeneous procatalyst includes a titanium species, an aluminum species, and a magnesium chloride component. The hydrogenation procatalyst has the formula Cp2TiX2, In formula Cp2TiX2, each Cp is a cyclopentadienyl substituted with at least one R1, wherein R1 is (C1-C10)alkyl; and each X is independently a halogen atom.

公开(公告)号：US20160035572A1

公开(公告)日：2016-02-04

申请号：US14699434

申请日：2015-04-29

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA ,  Rohm and Haas Electronic Materials LLC ,  Dow Global Technologies LLC

Inventor： Rachel A. Segalman ,  Peter Trefonas, III ,  Bhooshan C. Popere ,  Andrew T. Heitsch

IPC: H01L21/225 ,  H01L21/02 ,  H01L29/207 ,  H01L21/324 ,  H01L29/167

CPC classification number: H01L21/2254 ,  C09D153/00 ,  H01L21/02118 ,  H01L21/2225 ,  H01L21/2258 ,  H01L21/31058 ,  H01L29/167 ,  H01L29/207

Abstract: Disclosed herein is a method for doping a substrate, comprising disposing a coating of a composition comprising a copolymer, a dopant precursor and a solvent on a substrate; where the copolymer is capable of phase segregating and embedding the dopant precursor while in solution; and annealing the substrate at a temperature of 750 to 1300° C. for 0.1 second to 24 hours to diffuse the dopant into the substrate. Disclosed herein too is a semiconductor substrate comprising embedded dopant domains of diameter 3 to 30 nanometers; where the domains comprise Group 13 or Group 15 atoms, wherein the embedded spherical domains are located within 30 nanometers of the substrate surface.

Abstract translation: 本文公开了一种用于掺杂衬底的方法，包括在衬底上设置包含共聚物，掺杂剂前体和溶剂的组合物的涂层; 其中共聚物能够在溶液中相分离和包埋掺杂剂前体; 并在750〜1300℃的温度下退火衬底0.1秒〜24小时，使掺杂剂扩散到衬底中。 本文还公开了包括直径为3至30纳米的掺杂剂掺杂区域的半导体衬底; 其中结构域包含第13族或第15族原子，其中嵌入的球形域位于衬底表面的30纳米内。

公开(公告)号：US20240076481A1

公开(公告)日：2024-03-07

申请号：US18261858

申请日：2022-04-07

Applicant: Dow Global Technologies LLC

Inventor： Stacey A. Saba ,  Paul J. Brigandi ,  Mohamed Esseghir ,  Theo Geussens ,  Brayden E. Glad ,  Andrew T. Heitsch ,  Yushan Hu

IPC: C08L23/08 ,  C09D123/08 ,  H01B3/44

CPC classification number: C08L23/0815 ,  C09D123/0815 ,  H01B3/441

Abstract: A polymeric composition includes a resin including an ethylene-based polymer and a copolymer of ethylene and an alpha olefin comonomer. The resin has a High Mw Comonomer Content of 3.2 wt % or greater based on a total weight of the resin over the weight average molecular weight range of 105 g/mol to 105.5 g/mol as measured by Ethylene GPC. The polymeric composition has a Relevant Comonomer Content of 0.6 wt % or greater. The polymeric composition also includes at least one of (i) a polydimethylsiloxane having a weight average molecular weight of 550,000 g/mol to 650,000 g/mol as measured according to Component GPC and (ii) a polymeric ultraviolet light stabilizer comprising a hindered amine moiety and having a weight average molecular weight from 5,000 g/mol to 20,000 g/mol as measured according to Component GPC.

公开(公告)号：US20220008893A1

公开(公告)日：2022-01-13

申请号：US17295264

申请日：2019-11-22

Applicant: Dow Global Technologies LLC

Inventor： Andrew T. Heitsch ,  Yijian Lin ,  Barbara Bonavoglia ,  Kyle E. Hart ,  Mehmet Demirors ,  Rou Hua Chou ,  Manoj Thota

IPC: B01J20/26 ,  B01J20/28 ,  B01J20/30 ,  A61L15/24

Abstract: A film includes 20.0 weight percent to 69.5 weight percent of a linear low density polyethylene (LLDPE) based polymer. The LLDPE having a high density fraction (HDF) from 3.0% to 8.0%, an I10/I2 ratio from 5.5 to 6.9, and a short chain branching distribution (SCBD) of less than or equal to 8.0° C. The film also includes 0.0 weight percent to 10.0 weight percent low density polyethylene (LDPE) based polymer, and 30.0 weight percent to 70.0 weight percent pore former.

公开(公告)号：US20240376297A1

公开(公告)日：2024-11-14

申请号：US18691681

申请日：2022-10-11

Applicant: Dow Global Technologies LLC

Inventor： Akanksha Garg ,  Yongchao Zeng ,  Andrew T. Heitsch ,  Christopher M. Thurber ,  Carmelo Declet Perez ,  Jacquelyn A. DeGroot ,  Jin Wang ,  Mridula Kapur ,  Amit K. Chaudhary

IPC: C08L23/06 ,  C08J5/18 ,  C08L23/08

Abstract: Embodiments of the present disclosure are directed to post-consumer recycled (PCR) resin formulations comprising: PCR resin comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof; and virgin polyethylene resin formulation, wherein the virgin polyethylene resin formulation comprises: a density from 0.910 to 0.950 g/cc, an improved comonomer content distribution (iCCD) wt. fraction greater than 30 wt. % at a temperature range of 35 to 90° C., and an iCCD wt. fraction greater than 8 wt. % at a temperature range of 99 to 115° C. The PCR resin formulation comprises an overall density of from 0.910 to 0.930 g/cc; an iCCD second elution peak occurring at a temperature greater than 99° C.; an iCCD wt. fraction greater than 6 wt. % at a temperature range of 99 to 115° C.; and an iCCD wt. fraction greater than 60 wt. % at a temperature range of 35 to 90° C.

公开(公告)号：US12129363B2

公开(公告)日：2024-10-29

申请号：US17432449

申请日：2020-05-01

Applicant: Dow Global Technologies LLC

Inventor： Andrew T. Heitsch ,  Sanjib Biswas ,  Mridula Kapur ,  Alexander Williamson ,  Philip P. Fontaine ,  Joshua B. Gaubert ,  Daniel W. Baugh, III ,  Jin Wang ,  Didem Oner-Deliormanli ,  Hitendra K. Singh ,  Shadid Askar ,  Arnaldo T. Lorenzo ,  Mehmet Demirors ,  Vivek Kalihari

IPC: C08L23/06 ,  C08K3/36 ,  C08K5/098

CPC classification number: C08L23/06 ,  C08K3/36 ,  C08K5/098 ,  C08L2201/14 ,  C08L2203/16 ,  C08L2205/025

Abstract: The present invention is directed to polyethylene-based compositions suitable for packaging applications, films, and articles. The polyethylene-based composition according to embodiments disclosed herein includes a polyethylene composition having a first polyethylene fraction and a second polyethylene fraction as well as a calcium salt of 1,2-cyclohexanedicarbodylic acid. The polyethylene-based composition can deliver a balance of properties, including barrier properties, for packaging applications.

公开(公告)号：US20240209193A1

公开(公告)日：2024-06-27

申请号：US17597978

申请日：2020-08-19

Applicant: Dow Global Technologies LLC

Inventor： Alexander Williamson ,  Andrew T. Heitsch ,  Stephanie M. Whited ,  Mridula Babli Kapur

IPC: C08L23/06 ,  C08F4/6592 ,  C08F10/02 ,  C08J5/18

CPC classification number: C08L23/06 ,  C08F4/6592 ,  C08F10/02 ,  C08J5/18 ,  C08J2323/06 ,  C08J2423/06 ,  C08L2205/24

Abstract: A bimodal polyethylene-based composition that is useful for making under film extrusion conditions a film that beneficially has both decreased water vapor transmission rate and decreased haze. The composition comprises an improved design of the composition of the polyethylene blend of a higher molecular weight polyethylene polymer constituent and a lower molecular weight polyethylene polymer constituent and an effective amount of a nucleating agent. Additional embodiments include a method of making the bimodal polyethylene-based composition, a formulation comprising the bimodal polyethylene-based composition and at least one additive, a method of making a manufactured article from the bimodal polyethylene-based composition or formulation; the manufactured article made thereby, use of the bimodal polyethylene-based composition for protecting a moisture-sensitive material, and a sealed package made therefrom. A bimodal polyethylene-based composition that is useful for making under film extrusion conditions a film that beneficially has both decreased water vapor transmission rate and decreased haze. The composition comprises an improved design of the composition of the polyethylene blend of a higher molecular weight polyethylene polymer constituent and a lower molecular weight polyethylene polymer constituent and an effective amount of a nucleating agent. Additional embodiments include a method of making the bimodal polyethylene-based composition, a formulation comprising the bimodal polyethylene-based composition and at least one additive, a method of making a manufactured article from the bimodal polyethylene-based composition or formulation; the manufactured article made thereby, use of the bimodal polyethylene-based composition for protecting a moisture-sensitive material, and a sealed package made therefrom.

公开(公告)号：US20220251255A1

公开(公告)日：2022-08-11

申请号：US17614275

申请日：2020-05-29

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Andrew T. Heitsch ,  Teresa P. Karjala ,  Lori L. Kardos ,  Cassie A. Cunningham ,  Jose Ortega ,  David T. Gillespie ,  Venkata Krishna Sai Pappu ,  John P. O'Brien ,  Daniel W. Baugh III

IPC: C08F110/02 ,  C08L23/06

Abstract: A low density polyethylene (LDPE) having a z-average molecular weight Mz (cony) from 425,000 g/mol to 800,000 g/mol, a melt index I2 less than or equal to 0.20 g/10 min, and a conventional GPC Mw/Mn from 8.0 to 10.6. A LDPE having a GPC-light scattering parameter (LSP) less than 2.00, a ratio of viscosity measured at 0.1 radians/second and 190° C. to a viscosity measured at 100 radians/second and 190° C. that is greater than 50, and a z-average molecular weight Mz (cony) from 425,000 g/mol to 800,000 g/mol.

公开(公告)号：US20200171465A1

公开(公告)日：2020-06-04

申请号：US16634413

申请日：2018-06-25

Applicant: Dow Global Technologies LLC

Inventor： Victor Sussman ,  Wen Sheng Lee ,  Jeffrey Herron ,  D. Wayne Blaylock ,  Daniel J. Arriola ,  Andrew T. Heitsch ,  Alexey Kirilin ,  Heidi Clements ,  Abrin L. Schmucker ,  Daniel A. Hickman

IPC: B01J23/52 ,  B01J37/04 ,  B01J37/02 ,  B01J37/08 ,  B01J35/02 ,  B01J35/00 ,  B01J21/04

Abstract: A method for preparing a heterogeneous catalyst. The method comprises steps of: (a) combining (i) a support, (ii) an aqueous solution of a noble metal compound and (iii) a C2-C18 thiol comprising at least one hydroxyl or carboxylic acid substituent; to form a wet particle and (b) removing water from the wet particle by drying followed by calcination to produce the catalyst.