Ingredient Contains Only Carbon And Hydrogen Atoms, Only C And Halogen Atoms, Or Only C, H, And Halogen Atoms Patents (Class 521/131)
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Patent number: 8466207Abstract: Disclosed is a method for making a polyurethane closed-cell foam material exhibiting a bulk density below 4 lbs/ft3 and high strength. The present embodiment uses the reaction product of a modified MDI and a sucrose/glycerine based polyether polyol resin wherein a small measured quantity of the polyol resin is “pre-reacted” with a larger quantity of the isocyanate in a defined ratio such that when the necessary remaining quantity of the polyol resin is added to the “pre-reacted” resin together with a tertiary amine catalyst and water as a blowing agent, the polymerization proceeds slowly enough to provide a stable foam body.Type: GrantFiled: February 27, 2007Date of Patent: June 18, 2013Assignee: Sandia CorporationInventors: Leroy L. Whinnery, Jr., Steven H. Goods, Dawn M. Skala, Craig C. Henderson, Patrick N. Keifer
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Patent number: 8445555Abstract: The present invention provides trimerization catalyst compositions having at least one carbanion compound and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.Type: GrantFiled: July 13, 2006Date of Patent: May 21, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Juan Jesus Burdeniuc, Torsten Panitzsch, John Elton Dewhurst
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Patent number: 8445556Abstract: The present invention provides a process to preparing a polyurethane or polyurethane/urea closed cell foam. This foam, when compared to neoprene foam, exhibits a low water absorption and an additional quality of chlorine content of not greater than 0.5% based on the total weight of the closed cell foam.Type: GrantFiled: October 2, 2008Date of Patent: May 21, 2013Assignee: Rubberlite, Inc.Inventor: Rick Speas
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Publication number: 20130090399Abstract: There are provided aromatic polyester polyol compositions comprising: (i) at least one aromatic acid component; (ii) at least one hydroxylated component; (iii) at least one functionalized natural oil component; and (iv) optionally at least one catalyst component for use in preparing foams. The aromatic polyester polyol compositions can be formed by esterification and/or transesterification. The present technology also provides a polyol blend for use in preparing foams wherein the polyol blend comprises (a) an aromatic polyester polyol formed by an interesterification reaction between (i) a phthalic acid based material; (ii) a hydroxylated material; and (iii) a hydrophobic material, wherein the hydrophobic material is present in an amount of from about 1% to about 50% by weight of the aromatic polyester polyol; and (b) a natural oil based polyol, wherein the hydrophobic material in the aromatic polyester polyol compatibilizes the natural oil based polyol to form a phase stable polyol blend.Type: ApplicationFiled: December 3, 2012Publication date: April 11, 2013Applicant: STEPAN COMPANYInventor: Stepan Company
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Publication number: 20130059934Abstract: A polyurethane foam and a resin composition that may be used to form the polyurethane foam are provided. The resin composition includes a first polyol based upon ethylene diamine and having about 100% ethylene oxide capping and present in an amount of from about 0.3 to about 15 parts by weight based on 100 parts by weight of the resin composition, a second polyol, and a physical blowing agent having at least 4 carbon atoms. The polyurethane foam includes the reaction product of an isocyanate component and the resin composition comprising the first and second polyol, in the presence of the physical blowing agent. A method of forming the polyurethane foam on a substrate combines the isocyanate component and the resin composition to form a reaction mixture. The reaction mixture is applied onto the substrate to form the polyurethane foam.Type: ApplicationFiled: September 5, 2012Publication date: March 7, 2013Inventors: Kevin Burgess, Greg Gardin, Chris Janzen
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Publication number: 20130053463Abstract: A microcellular polyurethane or polyurethane-urea foam elastomer includes the reaction product of (A) with (B) and/or water, a blowing agent, a catalyst forming urethane and/or ureic groups wherein: (A) is a prepolymer having a —NCO free group content included between 2%-25% (% w/w), which includes the reaction product of (a1) one or more aliphatic, cycloaliphatic and/or aromatic diisocyanates excluding 3,3?-dimethyl-4,4?-diphenylene diisocyanate, or one or more polyisocyanates or mixture of diisocyanates and polyisocyanates; with (a2a) one or more polyester macrodiols, a number of —OH groups per molecule equal to about 2; (B) is a compound selected from (b1) a diol or polyol; (b2) a primary or secondary aliphatic, cycloaliphatic amine or aliphatic, cycloaliphatic aromatic disecondary diamine or a blocked amine; (b3) one or more polyester macrodiols having a number of —OH group per molecule equal to about 2; (b4) a mixture formed of two or more compounds (b1), (b2) and (b3).Type: ApplicationFiled: August 9, 2012Publication date: February 28, 2013Applicant: TECNOELASTOMERI S.R.L.Inventors: Alessandro GRAMELLINI, Ermes GRAMELLINI
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Patent number: 8382945Abstract: Expandable microspheres formed by suspension polymerization using a shot growth method are provided. The microspheres are formed of a continuous, gas impermeable shell surrounding a blowing agent. The shell includes a first polymer layer formed from primary monomers and a second layer that includes a chemically reactive monomer or a high Tg monomer. To form the microspheres, the primary monomers are polymerized in a reaction vessel to an approximate 90% polymerization, at which time a secondary monomer that is either a monomer having a Tg of at least 85° C. or a chemically reactive monomer, is added to the reaction vessel to drive the polymerization reaction to completion. The outer layer thus contains either a larger amount of the high Tg monomer or a chemically reactive monomer that possesses the ability to covalently bond a cationic species. The microspheres may be used in papermaking processes to increase the paper bulk.Type: GrantFiled: August 28, 2009Date of Patent: February 26, 2013Assignee: International Paper CompanyInventors: Yaoliang Hong, Kosaraju Krishna Mohan, Peter M. Froass, Mark Fagan, Christopher D. Anderson, Brian Boyars, Eric Scott Daniels, Victoria Laurentia Dimonie, Edward David Sudol, Andrew Klein
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Publication number: 20130035410Abstract: A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.Type: ApplicationFiled: October 11, 2012Publication date: February 7, 2013Applicant: Arkema Inc.Inventors: Benjamin Bin Chen, Maher Y. Elsheikh, Philippe Bonnet, Brett L. Van Horn, Joseph S. Costa
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Publication number: 20130030067Abstract: Polyurethane foams which are highly flame resistant are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam has a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and the smoke spread values.Type: ApplicationFiled: July 30, 2012Publication date: January 31, 2013Applicant: IMPERIAL SUGAR CO.Inventors: Joseph Mooney, Charles Valentine, Thomas Rathke, Douglas Svenson
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Patent number: 8329770Abstract: Silicone foams having good foam structure and rapid cure are produced from foamable mixtures containing a physical blowing agent and an organically modified organopolysiloxane containing at least one urea or urethane group and an alkoxy(alkyl)siloxy unit.Type: GrantFiled: August 19, 2008Date of Patent: December 11, 2012Assignee: Wacker Chemie AGInventors: Wolfgang Ziche, Volker Stanjek, Richard Weidner
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Publication number: 20120309824Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,4-hexafluoro-2-butene and ethylene oxide. Also disclosed are double azeotropic compositions of E-1,1,1,4,4,4-hexafluoro-2-butene and ethylene oxide. Also disclosed is a process of preparing a thermoplastic or thermoset foam by using such azeotropic or azeotrope-like compositions as blowing agents. Also disclosed is a process of producing refrigeration by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as solvents. Also disclosed is a process of producing an aerosol product by using such azeotropic or azeotrope-like compositions. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media. Also disclosed is a process of extinguishing or suppressing a fire by using such azeotropic or azeotrope-like compositions.Type: ApplicationFiled: February 25, 2011Publication date: December 6, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Mark L. Robin, Ralph Newton Miller
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Patent number: 8324289Abstract: A flexible polyurethane foam excellent in the vibration characteristics and the load-deflection characteristics, a process for producing the flexible polyurethane foam stably and inexpensively, and a seat for an automobile excellent in posture-stability performance and supported feeling with little bottom-hitting feeling, are provided. When a polyoxyalkylene polyol and a polyisocyanate compound are reacted in the presence of a urethane-forming catalyst, a blowing agent and a foam stabilizer, a predetermined amount of a compound of the following formula (1) is used: wherein the average of n is from 13 to 2,100.Type: GrantFiled: May 23, 2007Date of Patent: December 4, 2012Assignee: Asahi Glass Company, LimitedInventors: Takayuki Sasaki, Takashi Ito, Yoshinori Toyota, Akio Horie
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Patent number: 8318821Abstract: Provided is a process for producing a rigid foamed synthetic resin, wherein, as a blowing agent, a hydrocarbon compound and water are used, and a rigid foamed synthetic resin provided with dimensional stability, heat insulating properties, and possibly reduced weight can be obtained. The process involves reacting a polyol (P) with a polyisocyanate (I) in the presence of a blowing agent, a foam stabilizer and a catalyst, wherein the blowing agent has at least a C2-8 hydrocarbon compound and water; the polyol (P) has a specific polyesterpolyol (A), a specific polyetherpolyol (B), and a polymer-dispersed polyol (Z) having fine polymer particles (M) dispersed; and the isocyanate index of the polyol (P) and the polyisocyanate (I) is over 200 and at most 400.Type: GrantFiled: October 29, 2010Date of Patent: November 27, 2012Assignee: Asahi Glass Company, LimitedInventors: Yuko Hayashi, Hiroshi Wada
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Patent number: 8318827Abstract: The invention described herein relates to an essentially closed-cell two-component polyurethane foam containing an pesticide, which upon curing provides a barrier to insect infestation.Type: GrantFiled: March 27, 2009Date of Patent: November 27, 2012Assignee: Fomo Products, Inc.Inventor: Anthony J. Taylor
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Patent number: 8314159Abstract: A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.Type: GrantFiled: March 28, 2008Date of Patent: November 20, 2012Assignee: Arkema Inc.Inventors: Benjamin Bin Chen, Maher Y. Elsheikh, Philippe Bonnet, Brett L. Van Horn, Joseph S. Costa
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Patent number: 8299137Abstract: A foam-forming composition is disclosed which includes both cis-1,1,1,4,4,4-hexafluoro-2-butene and a poorly compatible active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of effective amounts of the foam-forming composition and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate.Type: GrantFiled: November 25, 2008Date of Patent: October 30, 2012Assignee: E I du Pont de Nemours and CompanyInventors: Gary Loh, Joseph Anthony Creazzo
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Patent number: 8299138Abstract: A process for producing a flexible polyurethane foam having a low transmissibility at resonance frequency, of which a rebound resilience can be suppressed, without using a foam stabilizer, is provided. In production of a flexible polyurethane foam; an isocyanate containing TDI as the main component is used as an isocyanate; and a polyol containing from 20 to 50 mass % of a polyol (A) having an oxyethylene group content of from 10 to 20 mass % and having a hydroxyl value of from 15 to 56 mgKOH/g, which is obtained by subjecting propylene oxide to ring opening addition polymerization to an initiator by using a double metal cyanide complex catalyst, and further subjecting ethylene oxide to ring opening addition polymerization by using an alkali metal compound catalyst or a phosphazenium catalyst, is used as a polyol.Type: GrantFiled: May 17, 2007Date of Patent: October 30, 2012Assignee: Asahi Glass Company, LimitedInventors: Yuuji Kimura, Takayuki Sasaki
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Patent number: 8293807Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein at least one graft polyol b1) which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol b1i), where the polyether alcohol b1i) has a functionality of from 2 to 4 and a hydroxyl number in the range from 100 to 250 mg KOH/g, its polyether chain comprises propylene oxide and up to 20% by weight, based on the polyether alcohol b1i), of ethylene oxide, and acrylonitrile and styrene in a weight ratio of acrylonitrile:styrene of from >1:1 to 4:1 are used as olefinically unsaturated monomers, is used as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b), and the reaction is carried out in the presence of at least one compound b1ii) which has at least one olefinic double bond anType: GrantFiled: September 6, 2007Date of Patent: October 23, 2012Assignee: BASF AktiengesellschaftInventors: Andreas Emge, Daniel Freidank, Holger Seifert
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Patent number: 8268411Abstract: A method of forming a porous composite material in which substantially all of the pores within the composite material are small having a diameter of about 5 nm or less and with a narrow PSD is provided. The porous composite material includes a first solid phase having a first characteristic dimension and a second phase comprised of pores having a second characteristic dimension, wherein the characteristic dimensions of at least one of said phases is controlled to a value of about 5 nm or less.Type: GrantFiled: August 8, 2009Date of Patent: September 18, 2012Assignee: International Business Machines CorporationInventors: Stephen M. Gates, Alfred Grill, Deborah A. Neumayer, Son Nguyen, Vishnubhai V. Patel
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Patent number: 8258196Abstract: To provide a method for producing a rigid polyurethane foam, whereby it is possible to reduce the density without causing deterioration in dimensional stability, and a rigid polyurethane foam. A method for producing a rigid polyurethane foam, which comprises a step of reacting a polyol having a hydroxyl value of from 200 to 800 mgKOH/g with a polyisocyanate compound in the presence of an amino-modified silicone, a catalyst, a blowing agent and a surfactant.Type: GrantFiled: May 20, 2009Date of Patent: September 4, 2012Assignee: Asahi Glass Company, LimitedInventors: Katsuhiko Shimizu, Teruhiko Yasuda, Hiroshi Wada
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Publication number: 20120202904Abstract: A blowing agent for thermosetting foams is disclosed. The blowing agent is 2,4,4,4-tetrafluorobutene-1 alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO), or a hydrocarbon. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.Type: ApplicationFiled: October 20, 2010Publication date: August 9, 2012Applicant: ARKEMA INCInventors: Benjamin Bin Chen, Joseph S. Costa, Philippe Bonnet
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Publication number: 20120202903Abstract: Alkylethoxylate alcohols or mixtures of alkyl alcohol ethoxylate with an average HLB value between 10 and 15 as compatibilizers for water blown polyurethane foam formulations that are substantially free of nonylphenol ethoxylates are disclosed. The HLB is defined as the mass percent of average structure of the compatibilizer that is hydrophilic, divided by 5. The compatiblilizer is mixed into the B-side of the polyurethane formulation. The B-side of the spray foam formulations comprise polyol, water, amine catalyst, and the compatibilizer of the invention such that the water is present at about 2% to about 30% by weight of the B-side formulation, and the compatibilizer is present at about 1% to about 30% by weight of the B-side formulation. The B-side of the formulation may further comprise metal catalysts, flame retardants, silicone surfactants, cell openers, antioxidants, as well as other additives.Type: ApplicationFiled: August 10, 2011Publication date: August 9, 2012Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Gary Dale Andrew, Jean Louise Vincent, Timothy J. Miller, Goran Zarkov
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Publication number: 20120190763Abstract: The invention provides a process for insulating a cavity in a built structure with a polyurethane rigid foam, by reaction of a) polyisocyanates with b) compounds having at least two isocyanate-reactive hydrogen atoms in the presence of c) blowing agents, wherein the reaction takes place in the cavity to be insulated, wherein the blowing agent c) comprises at least one blowing agent ci) which only develops its blowing effect at the stage of the reaction of a) with b), and a blowing agent cii) which has a boiling point which is below the temperature at which the components a) and b) are mixed.Type: ApplicationFiled: January 25, 2012Publication date: July 26, 2012Applicant: BASF SEInventors: Rene Jansen, Dick Bos
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Publication number: 20120183694Abstract: Hybrid spray foams utilize a urethane reactant, a crosslinker, and an (optional) epoxy and/or acrylic resin along with a blowing agent and rheology modifier to produce a quick-setting foam that remains in place until the foam forms and cures. The urethane reactant may be formed as an adduct with or without the use of isocyanate chemistry. In some embodiments, the polyurethane oligomer is made by reacting cyclocarbonates and di- or polyamines, while in other embodiments the polyurethane backbone employs the use of commercially available capped or blocked urethane oligomers made by any method. The oligomers contain reactive groups, typically at the oligomer ends, that crosslink with crosslinkers or with acrylic or epoxy resins to form hybrid polyurethane foams. Foams may also contain a plasticizer, and/or a surfactant as well as other optional additives. Methods of making such foams are also provided.Type: ApplicationFiled: January 10, 2012Publication date: July 19, 2012Applicant: OWENS CORNING INTELLECTUAL CAPITAL, LLCInventor: Fatemeh Nassreen Olang
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Publication number: 20120172470Abstract: Polyether polyols are initiated 1,3- and/or 1,4-bis(aminomethyl)cyclohexane) and with either or both of a methylene bis(cyclohexylamine) compound and a cyclohexanediamine compound. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times.Type: ApplicationFiled: September 21, 2010Publication date: July 5, 2012Inventors: Timothy A. Morley, Francois M. Casati, Adrian J. Birch, Phillip S. Athey, Hans Kramer
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Publication number: 20120164045Abstract: This disclosure involves an adsorption-desorption material, e.g., crosslinked polyvinyl-amine material having an Mw from about 500 to about 1×106, total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles per gram of crosslinked material, and/or linear polyvinyl-amine material having an Mw from about 160 to about 1×106, total pore volume from about 0.2 cc/g to about 2.0 cc/g, and a CO2 adsorption capacity of at least about 0.2 millimoles per gram of linear material. This disclosure also involves processes for preparing the crosslinked polyvinyl-amine materials and linear polyvinyl-amine materials, as well as selective removal of CO2 and/or other acid gases from a gaseous stream using the polyvinyl-amine materials.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki
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Organo-Amine Acid Gas Adsorption-Desorption Polymers, Processes for Preparing Same, and Uses Thereof
Publication number: 20120164043Abstract: An adsorption-desorption material, in particular, crosslinked organo-amine polymeric materials having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material, and linear organo-amine polymeric materials having an Mw from about 160 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material. This disclosure also relates to processes for preparing the crosslinked and linear organo-amine materials, as well as to selective removal of CO2 and/or other acid gases from a gaseous stream using the adsorption-desorption materials.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: ExxonMobil Research and Engineering CompanyInventors: Dennis G. Peiffer, David C. Calabro, Quanchang Li, Mobae Afeworki, Stephen M. Cundy -
Publication number: 20120129964Abstract: Polyether polyols are initiated with aminocyclohexanealkylamines such as isophoronediamine and 1,8-diamino-p-menthane. The polyols are useful in making rigid polyurethane foams, especially foams for pour-in-place applications, where they give a good combination of low k-factor and short demold times.Type: ApplicationFiled: February 1, 2012Publication date: May 24, 2012Inventors: Timothy A. Morley, Francois M. Casati, Adrian J. Birch, David A. Babb, Charles A. Martin, II
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Publication number: 20120121805Abstract: The invention described herein generally pertains to the use of low boiling point, low vapor pressure blowing agents with froth polyurethane or polyisocyanurate foams to achieve superior cavity filling than when using conventional higher vapor pressure or more ozone-depleting blowing agents.Type: ApplicationFiled: November 17, 2011Publication date: May 17, 2012Applicant: FOMO PRODUCTS, INC.Inventors: Tom Fishback, Doug Caffoe, Anthony Taylor, Julie L. Shoemaker
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Publication number: 20120085959Abstract: Use of certain hydrofluoroalkenes for foam blowing, solvent cleaning, refrigeration, as etching gas for semiconductor etching or chamber cleaning, heat transfer, fire extinguishing and for the production of aerosols.Type: ApplicationFiled: March 5, 2010Publication date: April 12, 2012Applicant: SOLVAY FLUOR GMBHInventors: Ercan Uenveren, Christoph Meurer
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Patent number: 8148440Abstract: Process for preparing rigid urethane-modified polyisocyanurate foams from polyisocyanates and polyfunctional isocyanate-reactive components in the presence of a blowing agent, a metal salt trimerisation catalyst and a functionalised carboxylic acid.Type: GrantFiled: February 5, 2004Date of Patent: April 3, 2012Assignee: Huntsman International LLCInventors: Joern Kuester, Roberto Fare, David Alexander Ferguson
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Patent number: 8148441Abstract: A method for manufacturing a polishing pad made from a polyurethane resin foam having very uniform, fine cells therein and a polishing pad obtained by that method provides a polishing pad having better polishing characteristics (especially, in planarization) while providing improved dressability while maintaining the planarization characteristics and polishing speed of a conventional polishing pad. The polyurethane resin foam is a cured product obtained by reacting an isocyanate-terminated prepolymer with an aromatic polyamine chain extender having a melting point of 70° C. or lower, for example.Type: GrantFiled: February 27, 2006Date of Patent: April 3, 2012Assignee: Toyo Tire & Rubber Co., Ltd.Inventors: Masato Doura, Takeshi Fukuda, Kazuyuki Ogawa, Atsushi Kazuno, Hiroshi Seyanagi, Masahiko Nakamori, Takatoshi Yamada, Tetsuo Shimomura
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Patent number: 8133930Abstract: Flexible polyurethane foams are prepared by reacting a polyisocyanate with a high equivalent weight polyol. At least a portion of the high equivalent weight polyol is a polyester containing hydroxymethyl groups. The polyester is prepared in a multi-step process from animal or vegetable fats, by recovering the constitutent fatty acids, hydroformylating carbon-carbon double bonds in the fatty acids and reducing to form hydroxymethyl groups, and then forming a polyester by reaction with an initiator compound.Type: GrantFiled: April 23, 2004Date of Patent: March 13, 2012Assignee: Dow Global Technologies LLCInventors: Eugene Paul Wiltz, Jr., Zenon Lysenko, Fabio Aguirre, Aaron Sanders, John Tsavalas, David A. Babb, Alan K Schrock
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Publication number: 20120046372Abstract: A method of forming foam comprising: (a) providing at least a first relatively high pressure liquid comprising a first reactive component; (b) introducing into said relatively high pressure stream a liquid blowing agent composition comprising 1,3,3,3-tetrafluoropropene (HFO-1234ze) and/or HFCO-1233zd to produce a second stream at relatively high pressure and containing said blowing agent; and (c) mixing at least a portion of said third stream with a fourth stream containing a component reactive with said first component to produce a mixed reactive stream.Type: ApplicationFiled: August 15, 2011Publication date: February 23, 2012Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Mary C. Bogdan, Michael Ross, David J. Williams, Clifford P. Gittere
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Patent number: 8106106Abstract: A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.Type: GrantFiled: September 24, 2010Date of Patent: January 31, 2012Assignee: Firestone Building Products Company, LLCInventor: John B. Letts
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Patent number: 8101672Abstract: The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the Z-isomer of 1,1,1,2,3-pentafluoropropene (HFC-1225yeZ), and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: GrantFiled: December 13, 2007Date of Patent: January 24, 2012Assignee: Honeywell International Inc.Inventors: Ryan J. Hulse, Hang T. Pham, Rajiv R. Singh
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Patent number: 8101671Abstract: An object of the invention is to provide a polyolefin resin foam which is excellent in flexibility, cushioning property and processability, especially excellent in cutting processability. The present invention relates to a polyolefin resin foam obtained by foaming a polyolefin resin composition using carbon dioxide in a supercritical state, wherein the polyolefin resin composition contains at least: (1) a thermoplastic elastomer composition obtained by subjecting to a dynamically heat treatment a mixture of (A) a rubber, and (B) (B-1) an ?-olefin crystalline thermoplastic resin and/or (B-2) an ?-olefin amorphous thermoplastic resin, each having a melt tension of less than 3.0 cN at a temperature of 210° C. and at a take-up speed of 2.0 m/min, in the presence of (C) a crosslinking agent; (2) a polyolefin resin; and (3) a nucleant agent having an average particle diameter of from 0.1 ?m to less than 2.0 ?m. The polyolefin resin foam has a density, for example, of 0.2 g/cm2 or less.Type: GrantFiled: March 30, 2007Date of Patent: January 24, 2012Assignees: JSR Corporation, Nitto Denko CorporationInventors: Kentarou Kanae, Norihiro Yamamoto, Takio Itou, Yasuyuki Tokunaga, Makoto Saitou
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Patent number: 8097659Abstract: A flexible polyurethane foam is obtained by making a material containing polyols, a cross-linking agent and a polyisocyanate compound react in the presence of a catalyst, a blowing agent and an auxiliary blowing agent. At this time, the isocyanate index of the polyisocyanate compound is set to 110 to 120. Preferably, a polyol of which the hydroxyl value is 250 mg KOH/g to 650 mg KOH/g and of which the molecular weight is 150 to 500 is used as the cross-linking agent, and concretely, polyethylene glycol can be used. A liquefied carbon dioxide is used as the auxiliary blowing agent with an amount mixed in of 1.5 mass parts to 6.0 mass parts relative to 100 mass parts of the polyols. The load required for compressing to 25% of the initial thickness is 30 N to 70 N, and thus, the flexible polyurethane foam has a low hardness.Type: GrantFiled: January 19, 2007Date of Patent: January 17, 2012Assignee: Inoac CorporationInventor: Fuminori Horio
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Publication number: 20120010313Abstract: A process for producing rigid polyurethane foams, in which a mixture of one or more high-functionality polyether alcohols having functionalities of from 3.5 to 5.5 and a hydroxyl number of from 350 to 550 mg KOH/g, one or more polyether alcohols based on aliphatic and/or aromatic amines and having functionalities of from 3 to 4 and a hydroxyl number of from 150 to 800 mg KOH/g, an OH-comprising fatty acid ester and, if appropriate, one or more low molecular weight chain extenders and/or crosslinkers having functionalities of from 2 to 3 and a molecular weight Mw of <400 g/mol is used as polyol component, is described. The rigid polyurethane foams obtained have a good surface quality.Type: ApplicationFiled: March 16, 2010Publication date: January 12, 2012Applicant: BASF SEInventors: Zeljko Tomovic, Olaf Jacobmeier, Rainer Hensiek, Gunnar Kampf
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Publication number: 20120004336Abstract: Foam-forming compositions are disclosed which contain a mixture of cis-1,1,1,4,4,4-hexafluoro-2-butene and 1,1,1,3,3-pentafluoropropane. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition with a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate.Type: ApplicationFiled: January 29, 2010Publication date: January 5, 2012Applicant: E.I. Du Pont De Nemours and CompanyInventors: Gary Loh, Joseph Anthony Creazzo
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Publication number: 20110303867Abstract: The present invention relates to poured-in place polyurethane foams and polyol premixes comprising 1-chloro-3,3,3-trifluoropropene (HFCO-1233zd) and one or more additional co-blowing agents.Type: ApplicationFiled: July 26, 2011Publication date: December 15, 2011Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Yiu Keung Ling, David J. Williams
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Patent number: 8076384Abstract: A post-crosslinked adsorbent comprises: monomer units of (a) at least 55 wt % at least one polyvinylaromatic monomer and (b) up to 45 wt % at least one monovinylaromatic monomer; and 0.5-2.5 mmol/g pendent vinyl groups; wherein the dry adsorbent has BET specific surface area in the range of about 650-1000 m2/g, BET average pore diameter 7.2-10 nm, BET porosity 1.29-2.45 mL/g, BJH adsorption micropore volume was less than 20% of total BJH adsorption pore volume, and HK micropore volume was less than 21% of total BJH adsorption pore volume. The invention is also directed to a preparation method for the polymeric adsorbent.Type: GrantFiled: June 10, 2009Date of Patent: December 13, 2011Assignee: Rohm and Haas CompanyInventors: Mancai Xu, Zheng Zhang
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Publication number: 20110269861Abstract: Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HFO-1233, or HFO-1354, having properties highly beneficial in foaming and blowing agent applications, articles and methods.Type: ApplicationFiled: July 7, 2011Publication date: November 3, 2011Applicant: HONEYWELL INTERNATIONAL INC.Inventors: ROBERT C. JOHNSON, HSUEH SUNG TUNG, RAJIV RATNA SINGH, IAN SHANKLAND
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Publication number: 20110269860Abstract: A foam expansion agent composition is disclosed that includes water and a hydrohaloolefin of the formula CF3CX?CHY, wherein X is selected from the group consisting of H, Cl and F, and Y is selected from the group consisting of H, Cl, F, CF3 and CF2CF3. Also disclosed is a foam-forming composition that includes the foam expansion agent composition of this disclosure and an active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition of this disclosure and a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam. The process involves reacting an effective amount of the foam-forming composition of this disclosure and a suitable polyisocyanate. Also disclosed is a process for using the closed-cell polyurethane or polyisocyanurate polymer foam of this disclosure.Type: ApplicationFiled: April 7, 2011Publication date: November 3, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: JOSEPH ANTHONY CREAZZO, GARY LOH
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Patent number: 8048935Abstract: An all-liquid foam-forming system contains: a first part (A) containing at least one liquid isocyanate or polyisocyanate; and a second part (B) containing: at least one liquid aromatic polyester polyol having an hydroxyl value of at least 110 mg KOH/gram and an average hydroxyl functionality of at least 2, at least two liquid halogenated flame retardants and water; the foam-forming system having an NCO/OH ratio of from about 0.9:1 to about 1.3:1; wherein the first and second parts are such that reaction therebetween forms a rigid polyurethane foam having a density of at least about 5 pcf and an ASTM E-84 Class 1 rating. Resultant polyurethane foams can be used to make articles, particularly for use in commercial decorative molding applications.Type: GrantFiled: November 8, 2004Date of Patent: November 1, 2011Assignee: Carpenter Co.Inventors: John Heraldo, Milen Kirilov
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Publication number: 20110263736Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the compounds b) having at least two hydrogen atoms which are reactive toward isocyanate groups comprise at least one aromatic polyester alcohol bi), at least one polyether alcohol bii) having a functionality of from 4 to 8 and a hydroxyl number in the range from 300 to 600 mg KOH/g.Type: ApplicationFiled: April 20, 2011Publication date: October 27, 2011Applicant: BASF SEInventors: Michael Kösters, Gunnar Kampf, Roland Fabisiak, Olaf Jacobmeier
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Publication number: 20110224319Abstract: The invention relates to a foamable mixture which contains at least one alkoxysilane-terminated prepolymer and which can be produced of a) at least one alkoxysilane that was functionalized with isocyanate groups and that can be produced of at least one hydroxyfunctional and/or aminofunctional alkoxysilane and at least one diisocyanate or polyisocyanate, and b) at least one compound that contains at least one OH group, and at least one blowing agent, characterized in that the foamable mixture has a dynamic viscosity of 100 to 25,000 mPas, preferably 500 to 10,000 mPas, at 23° C. The invention further relates to a method for producing said foamable mixture. The foamable mixtures according to the invention are suitable for sealing, insulating and mounting joints, roof surfaces, windows and doors or for filling hollow spaces.Type: ApplicationFiled: January 20, 2011Publication date: September 15, 2011Applicant: Henkel AG & Co. KGaAInventors: Wilfried Huebner, Milan Sebestian, Christiane Kunze, Lars Zander, Johann Klein
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Publication number: 20110224320Abstract: New branched or star-branched styrene polymeric, telomeric, and monomeric product distributions, their preparation, their use as raw materials for bromination to produce flame retardants, the flame retardants themselves, and their use as flame retardants in various polymeric substrates are described.Type: ApplicationFiled: November 30, 2009Publication date: September 15, 2011Applicant: ALBEMARLE CORPORATIONInventors: William J. Layman, JR., Charles H. Kolich, Arthur G. Mack, Jonathan P. McCarney, Govindarajulu Kumar, Junzuo Wang, Jorge Morice, Zhongxin Ge, Bo Liu, Ravindra R. Joshi, Hoover B. Chew, Douglas W. Luther, Kimberly M. White
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Patent number: 8017663Abstract: An asphaltic isocyanurate foam useful in roofing applications. Asphalt is liquified and mixed with a mixture of polyisocyanate. In a separate mixture, other chemicals, such as polyols, surfactant, catalyst, and blowing agent are combined. The mixtures are combined and reacted to form an asphaltic polyurethane foam.Type: GrantFiled: February 4, 2004Date of Patent: September 13, 2011Assignee: Devpat, LLCInventors: George F. Thagard, III, Nicolae Achim
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Publication number: 20110218262Abstract: The invention relates to a process for preparing rigid polyurethane foams, which comprises reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive with isocyanate groups in the presence of c) blowing agents, wherein said compounds having at least two hydrogen atoms reactive with isocyanate groups b) comprise at least one polyether alcohol b1) having a functionality of 2-8 and a hydroxyl number of 200-800 mgKOH/g, obtained by addition of an alkylene oxide b1b) onto a compound having at least two hydrogen atoms b1a), hereinafter also known as starter substances, reactive with alkylene oxides by using an amine b1c) as catalyst.Type: ApplicationFiled: March 1, 2011Publication date: September 8, 2011Applicant: BASF SEInventors: Berend ELING, Markus SCHÜTTE, Sirus ZARBAKHSH, Holger SEIFERT, Gunnar KAMPF