Abstract: Silane-crosslinkable polymeric compositions comprising a polyolefin having hydrolyzable silane groups, an acidic silanol condensation catalyst, and a phenolic antioxidant. The phenolic antioxidant has a phenol-based moiety fused with a cyclic ether where the oxygen atom of the cyclic ether is located in the para position relative to the hydroxyl group of the phenol-based moiety. Such crosslinkable polymeric compositions can be employed in various articles of manufacture, such as in the wire and cable industry.
Type:
Grant
Filed:
November 1, 2016
Date of Patent:
October 12, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
Dachao Li, Jessica D. Drazba, Manish Talreja, Jeffrey M. Cogen, Timothy J. Person, Paul J. Caronia
Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a multilayer polymeric film having opposing facial surfaces, wherein a first facial surface has a root mean square surface roughness of at least 80 nm when measured using image analysis with an atomic force microscope and wherein a second facial surface has a root mean square surface roughness of less than 80 nm when measured using image analysis with an atomic force microscope; and (b) a coating on at least a portion of the first facial surface, wherein the coating comprises polyurethane, wherein the film comprises at least one of polyethylene, polypropylene, polyethylene terephthalate, or polyamide, and wherein the coated film has a Zebedee clarity of at least 2% when measured according to ASTM D1746/15 in the coated portion of the first facial surface.
Type:
Grant
Filed:
September 27, 2017
Date of Patent:
October 5, 2021
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company, Dow Quimica Mexicana S.A.de C.V.
Inventors:
Juan Carlos Casarrubias, Claudia Hernandez, Zair Dominguez Trinidad, Jie Wu
Abstract: A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein “the viscosity of the functionalized olefin-based polymer (177° C./350° F.)” to “the viscosity of the olefin-based polymer (177° C./350° F.)” is from 0.1 to 5.0.
Type:
Grant
Filed:
September 22, 2016
Date of Patent:
October 5, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
Shrikant Dhodapkar, Gregory E. Johnson, Rennisha R. Wickham, Santosh S. Bawiskar, Guang Ming Li, Harold W. Boone
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.
Type:
Grant
Filed:
July 13, 2018
Date of Patent:
October 5, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
Otto J. Berbee, Stefan Hinrichs, Bharat I. Chaudhary, Teresa P. Karjala, John O. Osby, Jose Ortega
Abstract: A method for making long chain hydroxyl terminated polydiorganosiloxanes with low cyclics content via condensation polymerization employs a selective catalyst. The catalyst includes a salt-anion complex and a free acid.
Type:
Grant
Filed:
July 3, 2019
Date of Patent:
October 5, 2021
Assignees:
Dow Silicones Corporation, Dow Global Technologies LLC
Inventors:
John Roberts, Matthew Belowich, Thomas Peterson, Vladimir Pushkarev, Evelyn Auyeung, Mark Rickard
Abstract: A multistage aqueous emulsion polymer comprising from 88% to 98% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a first polymer core; and from 2% to 12% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a second polymer shell, wherein the first polymer core and the second polymer shell each independently comprises, as polymerized units, one or more ethylenically unsaturated nonionic monomers, wherein the second polymer shell further comprises, as polymerized units, from 20% to 60% by dry weight, based on total dry weight of the second polymer shell, of an acid monomer, wherein said acid monomer is, as polymerized units, from 1.1% to 4.2% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer. An aqueous coating composition comprising said multistage aqueous emulsion polymer.
Type:
Grant
Filed:
December 21, 2015
Date of Patent:
October 5, 2021
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: Polyurethane foams are made by curing a reaction mixture that contains an aromatic polyisocyanate, at least one isocyanate-reactive material having an average functionality of at least 2 and an equivalent weight of at least 200 per isocyanate-reactive group, at least one blowing agent, at least one surfactant and at least one catalyst, at least one polyacetoacetate compound and least one antioxidant. Foams so produced emit low levels of both formaldehyde and acetaldehyde.
Type:
Grant
Filed:
February 20, 2017
Date of Patent:
October 5, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
Jiguang Zhang, Shaoguang Feng, Michael T. Malanga, Zhengming Tang, Wenbin Yao, Degang Zhang, Ping Zhang, Jian Zou
Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.
Type:
Application
Filed:
July 18, 2019
Publication date:
September 30, 2021
Applicant:
Dow Global Technologies LLC
Inventors:
Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
Abstract: The present disclosure provides a method for recovering bitumen that includes contacting bitumen with steam and/or water and an organic amine having a boiling point at one atmosphere of greater than 145° C. and recovering the bitumen. The bitumen can in oil sands, where the step of contacting includes contacting the oil sands having bitumen with the steam and/or water and the organic amine. Contacting the bitumen with the steam and/or water and the organic amine and recovering the bitumen can be done in-situ in a subterranean formation.
Type:
Application
Filed:
June 28, 2019
Publication date:
September 30, 2021
Applicant:
Dow Global Technologies LLC
Inventors:
Cole A. Witham, Roxanne M. Jenkins, Biplab Mukherjee
Abstract: A surfactant composition including at least one alkyl alkoxylate sulfate anionic surfactant; a process for preparing the surfactant composition; and an emulsion polymerization process using the surfactant composition.
Abstract: This invention generally relates to a coating composition which provides a coating film with high hydrophilic resistance and high hydrophobic resistance. The coating composition contains a polymer formed from a monomer composition comprising (a) 45-85 wt % of ethyl ester of acrylic acid or methacrylic acid and (b) 15-54 wt % of itaconic ester with 1 or 2 carbon atoms as a binder of the coating composition, and the weight of sum of (a) and (b) is 65% or more based on the total weight of the polymer.
Type:
Grant
Filed:
September 2, 2016
Date of Patent:
September 28, 2021
Assignees:
Dow Global Technologies LLC, Rohm and Has Company
Inventors:
Jianming Xu, Wei Cui, Tao Wang, Siyuan Jiang, Qingwei Zhang, Daoshu Lin
Abstract: A suspension process for preparing an acetoacetyl functional polymer and the acetoacetyl functional polymer made from the process suitable for aldehyde abatement.
Type:
Grant
Filed:
May 29, 2017
Date of Patent:
September 28, 2021
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: The invention is an improved method of making a carbon molecular sieve (CMS) membrane in which a precursor polymer is pyrolyzed to form a carbon molecular sieve membrane that is then exposed to a conditioning atmosphere comprised of a target permeate gas molecule such as ethylene when the membrane is desired to separate it from a light hydrocarbon gas stream. The exposure to the ethylene desirably occurs prior to the CMS permeance and selectivity combination substantially changing (e.g., within 5 days) of cooling from the pyrolyzing temperature. The CMS membranes have shown an improved combination of selectivity and permeance as well as stability and are useful to separate gases in gas streams such methane from natural gas, oxygen from air and ethylene or propylene from light hydrocarbon streams.
Type:
Grant
Filed:
November 30, 2016
Date of Patent:
September 28, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
John Hessler, William J. Koros, Liren Xu, Mark K. Brayden, Marcos V. Martinez
Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; (B) a propylene-based polymer; and (C) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
Type:
Grant
Filed:
June 18, 2018
Date of Patent:
September 28, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
Yijian Lin, Yushan Hu, Todd A. Hogan, Colin LiPiShan, Keran Lu, Mridula Kapur
Abstract: According to one or more embodiments described herein, a method for dehydrogenating hydrocarbons may include passing a hydrocarbon feed comprising one or more alkanes or alkyl aromatics into a fluidized bed reactor, contacting the hydrocarbon feed with a dehydrogenation catalyst in the fluidized bed reactor to produce a dehydrogenated product and hydrogen, and contacting the hydrogen with an oxygen-rich oxygen carrier material in the fluidized bed reactor to combust the hydrogen and form an oxygen-diminished oxygen carrier material. In additional embodiments, a dual-purpose material may be utilized which has dehydrogenation catalyst and oxygen carrying functionality.
Type:
Application
Filed:
August 27, 2019
Publication date:
September 23, 2021
Applicant:
Dow Global Technologies LLC
Inventors:
Kevin Blann, Alexey Kirilin, Andrzej Malek, Victor Sussman, Matthew T. Pretz, Brien A. Stears, Barry B. Fish, Eric E. Stangland, Brian W. Goodfellow, Manish Sharma
Abstract: Embodiments disclosed herein include multilayer films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefin elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises a low density polyethylene (LDPE) having a density of from 0.915 to 0.930 g/cc, a melt index, I2, of from 1.0 to 30.0 g/10 min, and a molecular weight distribution, (Mw/Mn), as measured by the conventional calibration of triple detector gel permeation chromatography, of from 3.0 to less than 7.0.
Abstract: An aqueous polymer composition comprising a multiethylenically unsaturated carboxylic acid monohydrazide and a keto-functionalized polymer, and an aqueous coating composition comprising such aqueous polymer composition and providing coatings with improved water resistance and alcohol resistance without compromising early block resistance.
Type:
Grant
Filed:
September 25, 2017
Date of Patent:
September 21, 2021
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: A process for making a curable resin composition comprising the steps of: (1) reacting a) an isocyanate; and b) a polyol mixture with a bimodal distribution of i) a first polyol mixture comprising polyols having an average equivalent weight of from 50 to 400; and ii) a second polyol mixture comprising polyols having an average equivalent weight of from 1000 to 5000 to form a urethane prepolymer; and (2) adding a capping agent to the urethane prepolymer to form the curable resin composition.
Type:
Grant
Filed:
February 23, 2017
Date of Patent:
September 21, 2021
Assignee:
Dow Global Technologies LLC
Inventors:
Muhammad A. Shafi, Huifeng Qian, Luigi Pellacani, Dwight D. Latham, William L. Heaner, IV, Qiuyun Xu, Harshad M. Shah