Abstract: A coagent masterbatch comprising a semi-crystalline polyolefin carrier resin and an alkenyl-functional coagent. An electron-beam curable formulation comprising the coagent masterbatch and a polyolefin compound. A method of making the masterbatch and formulation; an electron-beam-cured polyolefin product prepared therefrom; a manufactured article comprising or made from the masterbatch, formulation, or product; and a method of using the manufactured article.
Type:
Grant
Filed:
January 18, 2023
Date of Patent:
October 15, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Yongyong Yang, Dachao Li, Yabin Sun, Timothy J. Person, Jeffrey M. Cogen, Paul J. Caronia
Abstract: The present disclosure provides a composition. The composition includes (i) an ethylene-based polymer; (ii) an organic peroxide, (iii) a phosphine oxide, and (iv) a protic acid-source compound (“PASC”) selected from a protic acid, a protic acid-generator compound (“PAGC”), and combinations thereof. The present disclosure also provides a coated conductor. The coated conductor includes a conductor and a coating on the conductor, the coating containing a composition including (i) an ethylene-based polymer; (ii) an organic peroxide, (iii) a phosphine oxide, and (iv) a protic acid-source compound (“PASC”) selected from a protic acid, a protic acid-generator compound (“PAGC”), and combinations thereof.
Type:
Grant
Filed:
September 12, 2019
Date of Patent:
October 15, 2024
Assignees:
Dow Global Technologies LLC, Georgia Tech Research Corporation
Inventors:
Bharat I. Chaudhary, Jeffrey M. Cogen, Charles Liotta, Pamela Pollet, Sarath Sarngadharan
Abstract: The present disclosure provides for a multilayer film having a sealant layer and a first layer, where the first layer is formed from a first polyolefin composition, and a laminate that includes the multilayer film. The first polyolefin composition of the first layer consists essentially of a high density polyethylene (HDPE) resin and a propylene-ethylene copolymer thermoplastic elastomer (TPE). In addition to the first layer of the first polyolefin composition and the sealant layer, the laminate also includes a substrate film and an adhesive layer comprising polyurethane in adhering contact with the substrate film and the first layer, where when the adhesive layer is formed from a solvent-free adhesive the adhesive layer has an elastic modulus of greater than 25 MPa, and when the adhesive layer is formed from a solvent-based adhesive the adhesive layer has an elastic modulus of greater than 0.30 MPa, the elastic modulus being measured for the polyurethane in accordance with ASTM D412.
Type:
Grant
Filed:
September 29, 2020
Date of Patent:
October 15, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Elodie Hablot, Salma El Marrasse Zarioui, Peter Hermann Roland Sandkuehler
Abstract: A solventless adhesive composition is provided. The solventless adhesive composition comprises (A) an isocyanate prepolymer having a side chains represented by —R2—(O—R1—O)n—R3 and (B) an isocyanate-reactive component, and exhibits improved bond strength, heat seal strength, adhesive COF property and optical appearance. A laminate product prepared with said solventless adhesive composition as well the method for preparing the laminate product are also provided.
Abstract: A foam control agent and method of controlling foam for metal working fluids by use of a foam control agent, wherein the agent comprises at least a branched alcohol.
Abstract: An adhesive composition including a reaction mixture of: (A) at least one isocyanate-containing compound; (B) at least one polyol compound; and (C) a copolymerized crystalline latent catalyst; a process for making the above adhesive composition; and a laminate structure made using the above adhesive composition.
Abstract: In one embodiment, a multilayer structure may include a machine direction oriented (MDO) multilayer film, a first layer, and a sealant layer. The MDO multilayer film may include (i) a metal layer and (ii) an inner layer. The inner layer may include EVOH: PVOH: or a blend of polyethylene and an interpolymer of ethylene and methyl acrylate, ethyl acrylate, or carboxylic acid. The first layer may be extruded onto the metal layer. The first layer may include an interpolymer of ethylene and acry lic acid or methacrylic acid. The interpolymer may have a melt index (12) of 5 to 20 g/10 minutes. an acid content of 1 to 10 weight percent and a melting temperature of 90° C. to 100° C. The sealant layer may include a polyethylene having a melt index (I2) of 3 to 30 g/10 minutes and a heat seal initiation temperature of 95° C. or less.
Type:
Application
Filed:
August 22, 2022
Publication date:
October 10, 2024
Applicant:
Dow Global Technologies LLC
Inventors:
Pere Puig Bosch, Luis Gerardo Zalamea Bustillo
Abstract: Embodiments of the present disclosure are directed towards ?-hydroxyphosphonate functionalized polyols and isocyanate reactive compositions that include the ?-hydroxyphosphonate functionalized polyol and a base polyol.
Type:
Grant
Filed:
January 29, 2020
Date of Patent:
October 8, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Christopher S. Letko, Ravi B. Shankar, Harshad M. Shah, Weijun Zhou
Abstract: Embodiments of the present disclosure are directed towards hybrid foam formulations that include: an isocyanate-reactive composition, and a high-functionality crosslinker; an azo type radical initiator; and an isocyanate.
Type:
Grant
Filed:
December 10, 2019
Date of Patent:
October 8, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Weijun Zhou, William A. Koonce, William J. Harris, Yonghui Zhang
Abstract: A first oriented film comprising a first polyethylene composition which comprises: from 20 to 50 wt % of a first linear low density polyethylene polymer having a density greater than 0.925 g/cc and an I2 lower than 2 g/10 min; and from 80 to 50 wt % of a second linear low density polyethylene polymer having a density lower than or equal to 0.925 g/cc and an I2 greater than or equal to 2 g/10 min; wherein the first polyethylene composition has an I2 from 0.5 to 10 g/10 min and a density from 0.910 to 0.940 g/cc is provided.
Type:
Grant
Filed:
March 19, 2021
Date of Patent:
October 8, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Yijian Lin, Mehmet Demirors, Jianping Pan, Xiao B. Yun
Abstract: The present disclosure provides a composition. The composition includes (A) an ethylene-based polymer and (B) from 5 wt % to 15 wt % of a metal hydroxide component, based on the total weight of the composition. The metal hydroxide component includes a metal hydroxide having an aspect ratio greater than, or equal to, 10. The composition has a thermal conductivity greater than 0.52 W m?1 K?1 and a density less than, or equal to 1.02 g/cc. The present disclosure also provides a coated conductor including a non-metal conductor and a coating on the conductor, the coating containing the composition.
Type:
Grant
Filed:
June 2, 2020
Date of Patent:
October 8, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Caroline M. Grand, Bharat I. Chaudhary, William C. Francis, Jr., Mohamed Esseghir
Abstract: An aqueous dispersion comprising a multistage polymer comprising a first polymer and a second polymer that comprises structural units of an ethylenically unsaturated siloxane monomer, the multistage polymer comprising, by weight based on the weight of the multistage polymer, 4.5% or more of structural units of the ethylenically unsaturated siloxane monomer, and the coagulum content of the aqueous dispersion is less than 2,000 ppm after filtration through a 44 micron sieve.
Type:
Grant
Filed:
June 13, 2019
Date of Patent:
October 8, 2024
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones Corporation
Abstract: The disclosure relates to a tie resin formulation for use as a tie layer in a multilayer structure. The resin includes a first polyolefin grafted with an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated acid derivative or a combination thereof, and having a density of 0.857 to 0.885 g/cm3, and 0.001 to 0.20 weight percent (wt. %) of a catalyst comprising at least one Lewis acid, where the resin includes the catalyst and up to 99.999 wt. % of the first polyolefin, where the wt. % is based on a total weight of the resin.
Type:
Grant
Filed:
March 29, 2018
Date of Patent:
October 8, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Yong Zheng, Santosh S. Bawiskar, Brian W. Walther, Michael B. Biscoglio, Andong Liu
Abstract: A method of manufacturing a hollow fiber carbon membrane, the method includes heating a polymeric precursor to a pyrolysis temperature that is greater than or equal to 900° C. and less than or equal to 1200° C., and pyrolyzing the polymeric precursor at the pyrolysis temperature in a pyrolysis atmosphere that comprises oxygen in an amount that is greater than 0 ppm and less than 200 ppm.
Type:
Application
Filed:
July 21, 2022
Publication date:
October 3, 2024
Applicant:
Dow Global Technologies LLC
Inventors:
Abhishek Roy, Thomas C. Fitzgibbons, Li Tang, Surendar R. Venna, Derrick W. Flick, Nikki J. Montanez, Hali J. McCurry, James B. Heard, Barry B. Fish
Abstract: Embodiments of the present disclosure am directed to multilayer thermoset composites which comprise a first fabric reinforcement layer, a nonwoven fabric, and a second fabric reinforcement layer. The nonwoven fabric may be positioned between the first fabric reinforcement layer and the second fabric reinforcement layer. A thermoset resin may at least partially permeate the first fabric reinforcement layer, the nonwoven fabric, and the second fabric reinforcement layer. The thermoset resin may be an epoxy, unsaturated polyester, or polyurethane. The first and second fabric reinforcement layer may each comprise one or more of glass fiber, carbon fiber, polyaramid fiber, polyethylene fiber, or basalt fiber. The nonwoven fabric may be formed from bicomponent fibers having a sheath/core configuration. The sheath may be formed from ethylene-carboxylic acid copolymers, or ionomers of ethylene-carboxylic acid copolymers. Further embodiments include methods of making the multilayer thermoset composite.
Type:
Application
Filed:
July 26, 2021
Publication date:
October 3, 2024
Applicant:
Dow Global Technologies LLC
Inventors:
Zheng Zhang, Kunpeng Guo, Shijie Ren, Hongjie Han
Abstract: Aqueous-based release coating compositions are disclosed. The disclosed aqueous-based release coating compositions are particularly suitable for use with pressure sensitive adhesives. In some embodiments, the aqueous-based release coating compositions include (A) a vinyl-based emulsion copolymer comprising a copolymerizable acid monomer, (B) a silicone-based emulsion comprising a mixture of amine-, polyol-functional siloxane and epoxy-, glycol-functional siloxane, and (C) a polymeric dispersant comprising an acid functional group. In some embodiments, the weight ratio of silicone-based emulsion (B) to polymeric dispersant (C) in the aqueous-based release coating compositions is from 2:1 to 3:1. The disclosed release coating compositions are suitable for use in, inter alia, tape applications.
Type:
Grant
Filed:
February 28, 2018
Date of Patent:
October 1, 2024
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company, Dow Silicones Corporation
Abstract: An aqueous dispersion containing (meth)acrylate polymer particles and substituted silsesquioxane-based particles dispersed in an aqueous carrier, wherein: (a) the substituted silsesquioxane-based particles have an volume-average size of 5 nanometers or more and at the same time less than 500 nanometers as determined by dynamic light scattering; and (b) the substituted silsesquioxane-based particles are substituted only with one or more than one moiety selected from a group consisting of alkyl, aryl, hydroxyl, trace amounts of alkoxy and combinations thereof and contain 50 mole-percent or less hydroxyl substitution in the form silanol functionalities relative to moles of substituted silsesquioxane-based particle as determined by infrared spectroscopy.
Type:
Grant
Filed:
March 5, 2020
Date of Patent:
October 1, 2024
Assignees:
Rohm and Haas Company, Dow Silicones Corporation, Dow Global Technologies LLC
Inventors:
Zachary Kean, Steven Swier, Arnold S. Brownell
Abstract: Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)?-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I):
Type:
Grant
Filed:
March 19, 2020
Date of Patent:
October 1, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Andrew M. Camelio, Brad C. Bailey, Tomas D. Paine, Sukrit Mukhopadhyay, Matthew D. Christianson
Abstract: The present disclosure provides for a bicomponent fiber that includes a first region formed of a condensation polymer and a second region formed from a polyethylene blend. The polyethylene blend includes (i) an ethylene-based polymer having a density of 0.920 g/cm3 to 0.970 g/cm3 and a melt index, I2, as determined by ASTM D1238 at 190° C. and 2.16 kg of 0.5 to 150 g/10 minutes; (ii) a maleic anhydride-grafted polyethylene; and (iii) an inorganic Brønsted-Lowry acid having an acid strength pKa value at 25° C. of 1 to 6.5, wherein the polyethylene blend has a 0.03 to 0.5 weight percent of grafted maleic anhydride based on the total weight of the polyethylene blend. The first region is a core region of the bicomponent fiber and the second region is a sheath region of the bicomponent fiber, where the sheath region surrounds the core region.
Type:
Grant
Filed:
March 27, 2019
Date of Patent:
October 1, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Fabricio Arteaga Larios, Brian W. Walther, Jill M. Martin, Ronald Wevers, Robert W. Bell
Abstract: According to one or more embodiments, a plate grid distributor for distributing a fluid in a vessel may include a plate and an internal support system. The internal support system may include a plurality of pillar supports extending vertically from at or near a bottom surface of the plate towards a floor of the vessel. One or more of the pillar supports may include a flexible upper member connecting a rigid top support bracket to a rigid intermediate beam and a flexible lower member connecting the rigid intermediate beam to the rigid base support. According to one or more other embodiments, a method of distributing a fluid through a plate grid distributor in a vessel may include passing the fluid into the vessel below the plate grid distributor and directing the fluid through the plate gird distributor.
Type:
Application
Filed:
June 24, 2022
Publication date:
September 26, 2024
Applicant:
Dow Global Technologies LLC
Inventors:
Matthew T. Pretz, Donald F. Shaw, Richard E. Walter, Albert Meza, Fermin Sandoval, Liwei Li