Abstract: An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed.
Type:
Grant
Filed:
May 11, 2017
Date of Patent:
November 15, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: An aqueous dispersion of a hydrophobically-modified alkali-soluble multistage polymer useful as a thickener affording high thickening efficiency and an aqueous coating composition comprising such aqueous dispersion showing good stability after heat aging without compromising stability upon addition of colorants.
Type:
Grant
Filed:
December 25, 2017
Date of Patent:
November 15, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Abstract: A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises titanium, (ii) said catalyst comprises from 0.1 to 5 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 200 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.
Type:
Grant
Filed:
June 20, 2019
Date of Patent:
November 15, 2022
Assignees:
Rohm and Haas Company, Dow Global Technologies LLC
Inventors:
Kirk W. Limbach, Christopher D. Frick, Dmitry A. Krapchetov, Wen-Sheng Lee, Victor J. Sussman, Jeffrey A. Herron
Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.
Type:
Grant
Filed:
November 29, 2018
Date of Patent:
November 15, 2022
Assignees:
Rohm and Haas Company, Dow Global Technologies LLC
Inventors:
Liang Chen, Andy Jun Li, Matthew Carter, Robert S. Moglia, Ralph C. Even, John F. Kohn, Carlos A. Cruz, Yannick Saint-Gerard, Douglas J. Hasso, Miroslav Janco
Abstract: The present invention provides an aqueous paint composition comprising by dry weight based on total dry weight of the pigment composition, from 11% to 35% of a polymeric duller of (co)polymeric particles having an average diameter of from 1 to 20 ?m, and from 25% to 70% of titanium dioxide particles; wherein from 50% to 100% of the titanium dioxide particles are encapsulated by polymer shell of (co)polymeric particles.
Type:
Grant
Filed:
April 28, 2015
Date of Patent:
November 15, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Has Company
Inventors:
Junyu Chen, Wei Cui, Tao Wang, Tao Wang, Qianqian Li, Juan Li, Longlan Cui, David G. Speece, Jr.
Abstract: According to one or more embodiments, a method for forming light olefins may comprise introducing a hydrocarbon feed stream into a reactor, reacting the hydrocarbon feed stream with a dehydrogenation catalyst in the reactor to form a high temperature dehydrogenated product, separating at least a portion of the dehydrogenation catalyst from the high temperature dehydrogenated product in a primary separation device, combining the high temperature dehydrogenation product with a quench stream to cool the high temperature dehydrogenation product and form an intermediate temperature dehydrogenation product, and cooling the intermediate temperature dehydrogenation product to form a cooled dehydrogenation product.
Type:
Application
Filed:
June 12, 2020
Publication date:
November 10, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
Matthew T. Pretz, Hangyao Wang, Anthony Plauck, Adam M. McNeeley
Abstract: A solvent-based polyurethane retort adhesive composition for producing laminates including: (A) at least one isocyanate compound, Component A; and (B) at least one isocyanate (NCO)-reactive component, Component B, comprising (i) at least one phosphate ester compound and (ii) at least one polyester polyol having an average molecular weight of greater than 3,000 g/mol; a process for producing the above adhesive; a multi-layer laminate product including the above adhesive; and a process for producing a laminate product using the above adhesive.
Type:
Application
Filed:
May 19, 2020
Publication date:
November 10, 2022
Applicants:
Dow Global Technologies LLC, ROHM AND HAAS COMPANY
Inventors:
Jie WU, Mai CHEN, Sudhanwa D. DEWASTHALE
Abstract: Multilayer film embodiments are directed to films produced via thermal lamination without adhesive due to the use of tie layers comprising a blend of ethylene acrylate copolymer and an anhydride grafted ethylene ?-olefin copolymer
Type:
Application
Filed:
June 24, 2020
Publication date:
November 10, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
Wu Aik Yee, Edward L. Lee, Hwee Tatz Thai, Hwee Lun Goh
Abstract: Embodiments of the present disclosure are directed towards methods of etherification including modifying a zeolite catalyst with phosphorus to provide a phosphorus modified zeolite catalyst; and contacting the phosphorus modified zeolite catalyst with an olefin and an alcohol to produce a monoalkyl ether.
Type:
Application
Filed:
September 23, 2020
Publication date:
November 10, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
Wen-Sheng Lee, Dean Millar, Stephen W. King
Abstract: The present disclosure relates to dual-headed organoaluminum compositions having the formula (I) and processes to prepare the same. In at least one aspect, the compositions having the formula (I) may be used during olefin polymerization.
Type:
Grant
Filed:
December 27, 2018
Date of Patent:
November 8, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Lixin Sun, Endre Szuromi, Jerzy Klosin, Edmund M. Carnahan, Jasson T. Patton, Longyan Liao
Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
Type:
Grant
Filed:
December 15, 2016
Date of Patent:
November 8, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Yijian Lin, John L. Sugden, Mridula Kapur, David T. Gillespie
Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
Type:
Grant
Filed:
April 16, 2021
Date of Patent:
November 8, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
Abstract: A composition contains a blend of linear and resinous alkenyl functionalized polyorganosiloxanes, a blend of linear and resinous silyl hydride functionalized polyorganosiloxanes, and a hydrosilylation catalyst where the linear silyl hydride functionalized polyorganosiloxanes has a ratio of D/DH that is greater than 2.0 and less than 14, the molar and the ratio of silyl hydride hydrogens to the sum of terminal alkenyl functionality on the alkenyl functionalized polyorganosiloxane is 1.2-2.2.
Type:
Grant
Filed:
December 2, 2020
Date of Patent:
November 8, 2022
Assignees:
Dow Silicones Corporation, Dow Global Technologies LLC
Inventors:
Michelle Cummings, Joel P. McDonald, Jason D. Suhr, Bradley W. Tuft, Brian Clark, Rachel Rademacher
Abstract: A formaldehyde free adhesive composition and a plywood obtained from the adhesive composition is provided, and the plywood has a balanced performance, such as high adhesion strength, sufficient pot-life, and good workability.
Type:
Grant
Filed:
March 7, 2019
Date of Patent:
November 1, 2022
Assignees:
Dow Global Technologies LLC, Dow Silicones Corporation
Inventors:
Shi Pan, Minbiao Hu, Tong Sun, Xuemei Zhai, Shaoguang Feng, Yan Li, Jingui Jiang
Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a thermal insulation board on the concrete or masonry wall. The thermal insulation board includes a polyurethane/polyisocyanurate foam having a density of less than 70 kg/m3 according to ASTM D 1622. Methods of preparing the external thermal insulation composite systems and the thermal insulation boards are also described.
Type:
Grant
Filed:
August 24, 2018
Date of Patent:
November 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Giuseppe Vairo, Luigi Bertucelli, Elena Ferrari
Abstract: Embodiments of the present disclosure are directed to drawtapes for trash bags, wherein the drawtape comprises a multilayer polymer film having an improved stiffness.
Type:
Grant
Filed:
December 5, 2018
Date of Patent:
November 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Fawzi G. Hamad, Mustafa Bilgen, Jose Eduardo Ruiz, Jon W. Hobson
Abstract: The instant invention is an aqueous based blend composition and method of producing the same. The aqueous based blend composition comprises (a) an aqueous polyolefin dispersion comprising the melt blending product of one or more base polymers and one or more stabilizing agents in the presence of water and optionally one or more neutralizing agents, wherein the polyolefin dispersion has an average volume particle size diameter in the range of from 400 to 1500 nm; and a pH range from 8 to 11; and (b) an acrylic emulsion acrylic solids having an average weight particle size diameter in the range of from 75 to 450 nm; an acid level in the range of from 0.25 to 5 percent by weight of acid monomers based on the weight of the acrylic monomer, and a weight average molecular weight in the range of from 200,000 to 5,000,000 g/mole, and a glass transition temperature (Tg) in the range of from 7 to 100° C.
Type:
Grant
Filed:
May 16, 2013
Date of Patent:
November 1, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Inventors:
Denise Lindenmuth, Joceyln Gruver, Ann R. Hermes, Ray E. Drumright
Abstract: A film: (a) 50 to 85 wt % polymer comprising: (i) 30 to 70 wt % hard polymer with Tg from 40 to 70° C. and 40 to 80 wt % (C1-C10)alkyl (meth)acrylate; 10 to 40 wt % C3-C8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; and (ii) 30 to 70 wt % soft polymer with Tg from ?20 to 20 ° C. and 50 to 90 wt % (C1-C10)alkyl (meth)acrylate; 5 to 30 wt % C3-C8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; hard Tg minus soft Tg is at least 30° C.; (iii) 0 to 10 wt %, of (C12-C24)alkyl (meth)acrylate polymer containing crystallizable portion with Tm from 0° C. to 37° C.; (b) 10 to 40 wt % of polyethylene oxide having Mw from 250,000 to 4,000,000; and (c) 0 to 10 wt % of poly(vinylpyrrolidone) having Mw from 25,000 to 2,000,000.
Type:
Grant
Filed:
June 19, 2018
Date of Patent:
November 1, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas Company
Inventors:
Afua Sarpong Karikari, Michael C. Mitchell, Marianne Creamer, Nilesh Shah
Abstract: This disclosed is an encapsulant film made from a curable composition comprising: (A) a polyolefin polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a silane compound of formula (I). This further disclosed is a process for preparing said encapsulant film.
Type:
Grant
Filed:
October 31, 2017
Date of Patent:
November 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Yunfeng Yang, Kainan Zhang, Yonghua Gong, Weiming Ma, Chao He, Hongyu Chen, Yabin Sun, Hong Yang, Yuyan Li
Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises (a) a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having an acid content of 2 to 21 weight percent based on the weight of the copolymer, wherein the amount of copolymer (a) comprises 20-80 weight percent of the blend based on the total weight of the blend, and (b) a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 30 weight percent based on the weight of the copolymer, wherein the amount of copolymer (b) comprises 10 to 50 weight percent of the blend based on the total weight of the blend, wherein the amount of copolymer (a) and copolymer (b) is at least 70 weight percent of the blend based on the total weight of the blend.