Halogen Patents (Class 252/182.15)
-
AZEOTROPE-LIKE COMPOSITIONS OF E-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND 1-CHLORO-3,3,3-TRIFLUOROPROPENE
Publication number: 20110260093Abstract: 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 with E-1-chloro-3,3,3-trifluoropropene or 2-chloro-3,3,3-trifluoropropene. 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: April 20, 2011Publication date: October 27, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: MARK L. ROBIN -
Publication number: 20110258147Abstract: The invention provides a heat transfer composition comprising: (ii) R-1243zf; (iii) a second component selected from R-32 (difluoromethane), R-744 (CO)2, R-41 (fluoromethane), R-1270 (propene), R-290 (propane), R-161 (fluoroethane) and mixtures thereof; and (iv) a third component selected from R-134a (1,1,1,2-tetrafluoroethane), R-125 (pentafluoroethane), R-1234yf (2,3,3,3-tetrafluoroprop-1-ene) and mixtures thereof.Type: ApplicationFiled: December 2, 2009Publication date: October 20, 2011Applicant: MEXICHEM AMANCO HOLDINGS S.A. DE C.V.Inventor: Robert Elliott Low
-
Publication number: 20110258146Abstract: The invention provides a heat transfer composition comprising a minimum of about 80% by weight of R-1243zf and a maximum of 20% by weight of R-32, based on the total weight of the composition.Type: ApplicationFiled: December 2, 2009Publication date: October 20, 2011Applicant: MEXICHEM AMANCO HOLDINGS S.A. DE C.V.Inventor: Robert Elliott Low
-
Publication number: 20110240903Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of Z-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, or cyclopentane. 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.Type: ApplicationFiled: May 24, 2011Publication date: October 6, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: MARK L. ROBIN
-
Patent number: 8030401Abstract: The present invention is directed to photoinitiated cationic epoxy compositions including: (a) at least one substantially saturated epoxy material comprising at least two glycidyl ether groups; (b) about 0.1 to about 20 weight percent on a basis of total weight of the composition of at least one polymer comprising at least one vinyl chloride segment and at least one vinyl acetate segment; and (c) at least one cationic photoinitiator; and bonded substrates and methods of bonding including the same.Type: GrantFiled: August 3, 2006Date of Patent: October 4, 2011Assignee: Henkel CorporationInventors: Philip T. Klemarczyk, Anthony F. Jacobine
-
Publication number: 20110220832Abstract: 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 with methyl formate, n-pentane, 2-methylbutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, n-butane or isobutane. 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: May 20, 2011Publication date: September 15, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: Mark L. Robin
-
Publication number: 20110218261Abstract: Foam-forming compositions containing azeotropic or azeotrope-like mixtures containing cis-1,1,1,4,4,4-hexafluoro-2-butene are disclosed. The foam-forming composition contains (a) an azeotropic or azeotrope-like mixture of cis-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, pentane, isopentane, cyclopentane, HFC-245fa, or dimethoxymethane; and (b) 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 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: December 17, 2008Publication date: September 8, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Gary Loh, Joseph Anthony Creazzo
-
Publication number: 20110215273Abstract: A hydrofluoroolefin and hydrofluoroolefin isomers and a process for manufacture them comprising eliminating HF from a fluorinated precursor compound are described. The fluorinated precursor compound may be provided by fluorinating a chlorinated precursor. The fluorinated precursor compound may be a fluorinated alkane. The hydroolefines are suitable as blowing agents, heat transfer fluids, or drying agents or degreasing solvents.Type: ApplicationFiled: November 13, 2009Publication date: September 8, 2011Applicant: SOLVAY FLUOR GMBHInventors: Ercan Uenveren, Johannes Eicher, Wolfgang Kalbreyer
-
Publication number: 20110213047Abstract: The present invention relates to compositions which can be used as expanding agent in the manufacture of thermosetting polymers. A more particular subject-matter of the invention is compositions comprising 1,1,1,3,3-pentafluorobutane (365mfc), trans-1,2-dichloroethylene and at least one nonflammable hydrofluorocarbon and their use.Type: ApplicationFiled: March 15, 2005Publication date: September 1, 2011Inventor: Laurent Caron
-
Patent number: 7989519Abstract: An initiator system for self-curing plastic material comprises a) at least one salt of a dialklylbarbituric acid and/or an alkylcycloalkylbarbituric acid and/or alkylarylbarbituric acid and/or a cycloalkylarylbarbituric acid that is insoluble in methacrylate monomers; b) at least one heavy metal salt that is insoluble in methacrylate monomers; c) at least one halogenide ion donor that is insoluble in methacrylate monomers; and d) at least one acid that is soluble in methacrylate monomers. The initiator system can be used for the preparation of paste/paste, paste/powder, paste/liquid, powder/liquid, and liquid/liquid combinations for the production of medical plastic material and dental materials. Additionally, a bone cement composition containing the initiator system is described.Type: GrantFiled: October 20, 2008Date of Patent: August 2, 2011Assignee: Heraeus Medical GmbHInventors: Sebastian Vogt, Hubert Buchner
-
Patent number: 7981318Abstract: Provided is a reaction reagent for trifluoromethylation with high general versatility and good efficiency. The reaction reagent for trifluoromethylation contains an iron compound, trifluoromethyl iodide, a sulfoxide and a peroxide, and may further contain an acid. The iron compound is, for example, iron(II) sulfate, ammonium iron(II) sulfate, iron(II) tetrafluoroborate, ferrocene, bis(?5-pentamethylcyclopentadienyl)iron or an iron powder; the sulfoxide is, for example, dimethyl sulfoxide; the peroxide is, for example, hydrogen peroxide or hydrogen peroxide-urea composite; and the acid is, for example, sulfuric acid, tetrafluoroboric acid or trifluoromethanesulfonic acid.Type: GrantFiled: November 6, 2007Date of Patent: July 19, 2011Assignees: Sagami Chemical Research Center, Tosoh F-Tech, Inc.Inventors: Tetsu Yamakawa, Kyoko Yamamoto, Daisuke Uraguchi, Kenji Tokuhisa
-
Publication number: 20110124758Abstract: Foam-forming compositions are disclosed which contain mixtures of 2-chloro-3,3,3-trifluropropene and hydrocarbon. 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: August 6, 2009Publication date: May 26, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Gary Loh, Joseph Anthony Creazzo
-
Publication number: 20110095224Abstract: The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having: 5 to 65% by weight, preferably from 5 to 15% by weight, of 2,3,3,3-tetrafluoropropene, 5 to 70% by weight, preferably 40 to 60% by weight, of HFC-134a and 25 to 42% by weight of HFC-32.Type: ApplicationFiled: May 14, 2009Publication date: April 28, 2011Inventor: Wissam Rached
-
Publication number: 20110089366Abstract: The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having: 10 to 90% by weight, of 2,3,3,3-tetrafluoropropene, 5 to 85% by weight of HFC-134a and 2 to 20% by weight of HFC-152a.Type: ApplicationFiled: May 14, 2009Publication date: April 21, 2011Applicant: Arkema FranceInventor: Wissam Rached
-
Publication number: 20110084228Abstract: The present invention relates to compositions containing hydrofluoroolefins and to the uses thereof as heat transfer fluids, blowing agents, solvents and aerosols. More particularly, the invention relates to compositions having: 2 to 55% by weight, of 2,3,3,3-tetrafluoropropene, 2 to 55% by weight of HFC-152a and 30 to 55% by weight of HFC-32.Type: ApplicationFiled: May 14, 2009Publication date: April 14, 2011Applicant: Arkema FranceInventor: Wissam Rached
-
Publication number: 20110077361Abstract: The invention relates to an initiator system comprising a diarylalkylamine compound and a sensitizing agent. The invention also relates to a hardenable composition comprising the initiator system. The invention further relates to the use of the initiator system for initiating the hardening process of a hardenable composition being selected from cationically curing composition(s) and/or radically curing composition(s) or a mixture thereof. The initiator system and the hardening composition can be used in various fields, including the dental and orthodontic area.Type: ApplicationFiled: May 28, 2009Publication date: March 31, 2011Inventors: Bettina Hailand, Adrian S. Eckert, Karsten Dede
-
Patent number: 7902324Abstract: An initiator for cationic polymerization comprises a salt of a protic acid as well as a protic acid. The molar ratio of protic acid to salt is in the range from 1:0.01 to 1:2000. The initiator is used for example for cationic homo- or copolymerization of trioxane, and permits stable and flexible operation of the polymerization.Type: GrantFiled: September 26, 2007Date of Patent: March 8, 2011Assignee: Ticona GmbHInventors: Michael Hoffmockel, Michael Haubs, Horst Röschert
-
Patent number: 7887716Abstract: This invention relates to cationically curable sealants that provide low moisture permeability and good adhesive strength after cure. The composition consists essentially of an electrophoretic device containing an oxetane compound and a photoinitiating system comprising and photoinitiator and optionally a photosensitizer.Type: GrantFiled: July 25, 2008Date of Patent: February 15, 2011Assignee: Henkel AG & Co. KGaAInventors: Shengqian Kong, Stijn Gillissen
-
Publication number: 20100317818Abstract: A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino group.Type: ApplicationFiled: June 18, 2008Publication date: December 16, 2010Inventors: Terrence Hogan, Steven Luo, Yoichi Ozawa, Junko Matsushita, Ryuji Nakagawa, Ken Tanaka, Eiju Susuki
-
Publication number: 20100292393Abstract: Disclosed is (1) a mixture of fluoroalkyl alcohol-unsaturated carboxylic acid derivatives represented by the general formulae: CF3(CF2)n(CH?CF)a(CF2CF2)b(CH2CH2)c OCOCR?CH2 and CF3(CF2)n?1(CF?CH)a CF2(CF2CF2)b(CH2CH2)cOCOCR?CH2, wherein R is a hydrogen atom or a methyl group, n is an integer of 1 to 5, a is an integer of 1 to 4, b is an integer of 0 to 3, and c is an integer of 1 to 3; (2) a fluorine-containing polymer containing the mixture as a polymerization unit; and (3) a water- and oil-repellent comprising the fluorine-containing polymer as an active ingredient. The fluoroalkyl alcohol-unsaturated carboxylic acid derivatives are produced by an esterification reaction of a mixture of fluoroalkyl alcohols represented by the general formulae: CF3(CF2)n(CH?CF)a(CF2CF2)b(CH2CH2)cOH and CF3(CF2)n?1(CF?CH)aCF2(CF2CF2)b, (CH2CH2)cOH, with acrylic acid or methacrylic acid.Type: ApplicationFiled: January 20, 2009Publication date: November 18, 2010Applicant: UNIMATEC CO., LTD.Inventors: Seiichiro Murata, Masayosi Horiuti, Katsuyuki Sato, Satoshi Kurihara
-
Publication number: 20100280141Abstract: 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: ApplicationFiled: November 25, 2008Publication date: November 4, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Gary Loh, Joseph Anthony Creazzo
-
Publication number: 20100256311Abstract: A curing composition of a coordination complex comprising methylenedianiline (MDA) and a salt, and less than 1000 of free MDA. The curing composition may be used in curing polyurethanes and epoxy resins.Type: ApplicationFiled: April 6, 2010Publication date: October 7, 2010Inventors: Thomas R. Doyle, Mukund Shah, Ronald O. Rosenberg
-
Publication number: 20100243943Abstract: Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of E-1,1,1,4,4,5,5,5-Octafluoro-2-pentene with methyl formate, n-pentane, 2-methylbutane, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, 1,1,1,3,3-pentafluoropropane, dimethoxymethane, cyclopentane or Z-1,1,1,4,4,4-hexafluoro-2-butene. 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 as propellants. Also disclosed is a process of using such azeotropic or azeotrope-like compositions as heat transfer media.Type: ApplicationFiled: September 5, 2008Publication date: September 30, 2010Inventor: Mark L. Robin
-
Publication number: 20100222443Abstract: A subject-matter of the present invention is a blowing agent composition comprising an organic solvent with a boiling point, at atmospheric pressure, of greater than 0° C. and having a low GWP and at least one compound (C) chosen from haloketones, fluoroacids, fluoroesters, fluoroamines, (hydro)fluoroethers, (hydro) fluorothioethers, (hydro)fluoroolefins, cyclic (hydro)fluorocarbons and iodofluoro(hydro)carbons.Type: ApplicationFiled: March 26, 2007Publication date: September 2, 2010Applicant: Arkema FranceInventors: Vincent Enaux, Laurent Latil
-
Publication number: 20100216904Abstract: Foam-forming compositions are disclosed which contain a mixture of 2-chloro-3,3,3-trifluoropropene and at least one hydrofluoroolefin. 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 11, 2010Publication date: August 26, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: GARY LOH, Joseph Anthony Creazzo
-
Patent number: 7781626Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.Type: GrantFiled: August 21, 2007Date of Patent: August 24, 2010Assignee: Honeywell International IncInventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
-
Publication number: 20100179237Abstract: A blowing agent for thermoplastic foams such as extruded polystyrene foam is disclosed. The blowing agent is a blend of a low solubility blowing agent, such as 1,1,1,2-tetrafluoroethane, and a dichloroethylene such as trans-1,2-dichloroethylene. The blowing agent combination enhances processability of thermoplastic foam.Type: ApplicationFiled: June 20, 2007Publication date: July 15, 2010Applicant: Arkema Inc.Inventors: Christopher A. Bertelo, Brett L. Van Horn
-
Publication number: 20100174005Abstract: Blowing-agent mixtures containing HFC-365mfc, HFC-227ea and one or both of 1,1,1,3,3-pentafluoropropane and 1,1,1,2-tetrafluoroethane are disclosed; as well as non-combustible polyether polyol and/or polyester polyol premixes for producing foamed products, in particular polyurethane foams.Type: ApplicationFiled: October 5, 2009Publication date: July 8, 2010Applicant: SOLVAY FLUOR und DERIVATE GmbHInventors: Lothar Zipfel, Karsten Boerner, Dierk-Ingolf Recke
-
Publication number: 20100174008Abstract: The invention concerns a blowing agent composition comprising dichloroethylene and at least one compound (C) selected from among haloketones, fluoroacids, fluoroesters. fluoroamines, (hydro)fluoroethers, (hydro)fluorothioethers, (hydro)fluoroolefins, cyclic(hydro)fluorocarbides and iodofluoro(hydro)carbides.Type: ApplicationFiled: March 26, 2007Publication date: July 8, 2010Applicant: ARKEMA FRANCEInventors: Vincent Enaux, Laurent Latil
-
Publication number: 20100168379Abstract: Product containing epichlorohydrin, wherein the amount of trichloropropane is of less than 0.01 g of trichloropropane per kg of product, a process for manufacturing the product and its use in various applications.Type: ApplicationFiled: June 11, 2008Publication date: July 1, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Philippe Krafft, Patrick Gilbeau, Dominique Balthasart, Noel Boulos
-
Publication number: 20100127209Abstract: Disclosed are compositions useful in a wide variety of applications, including heat transfer fluids which possess a highly desirable and unexpectedly superior combination of properties, and heat transfer systems and methods based on these fluids. The preferred heat transfer fluid comprises from about 1 to about 40 percent, on a weight basis, of carbon dioxide (CO2) and from about 99 to about 60 percent, on a weight basis, of a compound having the Formula I XCFzR3-z (I), where X is a C2 or a C3 unsaturated, substituted or unsubstituted, alkyl radical, each R is independently Cl, F, Br, I or H, and z is 1 to 3. A preferred compound of Formula I is tetrafluoropropene, particularly 1,1,1,3-tetrafluoropropene and/or 1,1,1,3-tetrafluoropropene.Type: ApplicationFiled: September 11, 2009Publication date: May 27, 2010Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland
-
Publication number: 20100123095Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants.Type: ApplicationFiled: November 16, 2009Publication date: May 20, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Barbara Haviland Minor, Thomas J. Leck, Donald Bernard Bivens, Akimichi Yokozeki
-
Publication number: 20100119460Abstract: Provided are azeotropic or azeotrope-like mixtures of 2,3,3,3-tetrafluoropropene (1234yf) and 3,3,3-trifluoropropene (1243zf), as well as methods for producing and using the same.Type: ApplicationFiled: November 9, 2009Publication date: May 13, 2010Applicant: HONEYWELL INTERNATIONAL INC.Inventors: HANG T. PHAM, RAJIV R. SINGH, HSUEH S. TUNG, DANIEL C. MERKEL, HALUK KOPKALLI, RYAN HULSE
-
Publication number: 20100112328Abstract: The present invention relates to blowing agent compositions comprising the unsaturated halogenated hydroolefin 3,3,3-trifluoropropene (HFO 1243zf) and combinations including primarily 3,3,3-trifluoropropene (HFO 1243zf). The blowing agent compositions are useful in that they provide sufficient plasticization to permit the production of low density insulating thermoplastic foams with improved k-factor.Type: ApplicationFiled: March 28, 2008Publication date: May 6, 2010Inventors: Brett L. Van Horn, Benjamin Bin Chen, Phillippe Bonnet
-
Publication number: 20100113629Abstract: The present invention relates to blowing agent compositions comprising at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HCFOs of the present invention include, but are not limited to, 1-chloro-3, 3,3-trifluoropropene (HCFO-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf), dichloro-fluorinated propenes, and mixtures thereof. The blowing agent compositions of the present invention are used with coblowing agents including carbon dioxide, atmospheric gases, hydrofluorocarbons (HFC), hydrofluoroolefins (HFO), alkanes, hydrofluoroethers (HFE), and mixtures thereof. Preferred HFCs used as coblowing agents in the present invention include, but are not limited to, 1,1,1,2-tetrafluoroethane (HFC-134a), 1,1-difluoroethane (HFC-152a), 1,1,1-trifluoroethane (HFC-143a), pentafluorethane (HFC-125), difluoromethane (HFC-32).Type: ApplicationFiled: March 28, 2008Publication date: May 6, 2010Applicant: Arkema Inc.Inventors: Brett L. Van Horn, Maher Y. Elsheikh, Benjamin Bin Chen, Philippe Bonnet
-
Publication number: 20100105789Abstract: The present invention relates to blowing agent compositions comprising (1) at least one hydrofluoroolefin (HFO) and (2) at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HFOs of component (1) include, but are not limited too, 3,3,3-trifluoropropene (HFO-1243zf), 1,2,3,3,3-pentafluoropropene (HFO-1225ye), cis- and/or trans-1,3,3,3-tetrafluoropropene (HFO-1234ze), and 2,3,3,3-tetrafluoropropene (HFO 1234yf), and mixtures thereof. The HCFOs of component (2) include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and mixtures thereof. The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor.Type: ApplicationFiled: March 28, 2008Publication date: April 29, 2010Applicant: Arkema Inc.Inventors: Brett L. Van Horn, Maher Y. Elsheikh, Benjamin Bin Chen, Philippe Bonnet
-
Publication number: 20100105788Abstract: 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: March 28, 2008Publication date: April 29, 2010Applicant: Arkema Inc.Inventors: Benjamin Bin Chen, Maher Y. Elsheikh, Philippe Bonnet, Brett L. Van Horn, Joseph S. Costa
-
Publication number: 20100102273Abstract: An azeotrope-like mixture consisting essentially of chlorotrifluoropropene and at least one component selected from the group consisting of pentane, hexane, methanol, and trans-1,2-dichloroethene.Type: ApplicationFiled: October 28, 2008Publication date: April 29, 2010Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Rajat S. Basu, Kane D. Cook, Leslie Bement, Gary M. Knopeck, Rajiv Ratna Singh, Ryan Hulse, Hang Pham
-
Patent number: 7705083Abstract: Ionically curable fluoroelastomers based on vinylidenfluoride (VDF) comprising: a) 100 parts by weight of fluoroelastomer based on vinylidenfluoride (VDF) substantially polar end groups free; b) from 0.1 to 0.35 phr of accelerating agent; c) from 1 to 15 phr of curing agent; d) from 2 to 20 phr of one or more inorganic acid acceptors, preferably bivalent metal oxides; e) from 0 to 3 phr, preferably from 0 to 1.5 phr of one or more basic compounds preferably hydroxides of bivalent metals or of weak acid metal salts; f) from 0 to 80 phr of reinforcing fillers; g) from 0 to 3 phr of coadjuvants of processability.Type: GrantFiled: April 26, 2005Date of Patent: April 27, 2010Assignee: Solvay Solexis S.p.A.Inventors: Milena Stanga, Margherita Albano, Vincenzo Arcella
-
Publication number: 20100087557Abstract: A blowing agent for thermosetting foams is disclosed. The blowing agent is the hydrofluoropropene HFO-1243zf in combination with a hydrochlorofluoroolefin (HCFO) selected from HCFO-1233zd, HCFO-1233xf and HCFO-1223. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.Type: ApplicationFiled: March 28, 2008Publication date: April 8, 2010Applicant: Arkema IncInventors: Benjamin Bin Chen, Joseph S. Costa, Brett L. Van Horn, Maher Y. Elsheikh, Philippe Bonnet
-
Publication number: 20100076100Abstract: A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (HCFO), preferably HFCO-1234yf in combination with a hydrochlorofluoroolefin (HCFO) preferably one selected from HCFO-1233zd, HCFO-1223, HCFO-1233xf and mixtures thereof. The blowing agent is effective as a blowing agent in the manufacture of thermosetting foams.Type: ApplicationFiled: March 28, 2008Publication date: March 25, 2010Applicant: Arkema Inc.Inventor: Benjamin Bin Chen
-
Publication number: 20100047189Abstract: Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluoroethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: ApplicationFiled: August 17, 2009Publication date: February 25, 2010Inventors: CHRISTOPHER J. SEETON, HANG T. PHAM, RAJIV R. SINGH, RYAN HULSE, MARK W. SPATZ, DAVID P. WILSON, SAMUEL F. YANA MOTTA
-
Publication number: 20100016457Abstract: A composition which is a blowing agent which comprises from about 75% to about 90% by weight trans-1,3,3,3-tetrafluoropropene, from about 1% to about 15% by weight cis-1,3,3,3-tetrafluoropropene, and from about 1% about 15% by weight 1,1,3,3,3-pentafluoropropane.Type: ApplicationFiled: July 13, 2009Publication date: January 21, 2010Inventors: James M. Bowman, David J. Williams, Rajiv R. Singh, Haiyou Wang
-
Publication number: 20090278076Abstract: Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including connection with blowing agents, foams, foamable compositions, foaming methods, heat transfer compositions and methods, propellants, and solvating methods.Type: ApplicationFiled: March 26, 2009Publication date: November 12, 2009Applicant: HONEYWELL INTERNATIONAL, INC.Inventors: Rajiv R. Singh, Hang T. Pham, Ian Shankland, David P. Wilson, Gary Knopack, David J. Williams
-
Publication number: 20090281241Abstract: A composition comprising a mixture of fluoropolyether acids or salts having a number average value of about 800 to about 2500 g/mol. The amount of fluoropolyether acids or salt in the mixture having a molecular weight of not more than 500 g/mol is not more than 50 ppm by weight of the total amount of fluoropolyether acids or salts in the mixture. The amount of fluoropolyether acids or salts in the mixture having a molecular weight of 2500 g/mol or greater is not more than 40% by weight of the total amount of fluoropolyether acids or salts in the mixture. Preferably the fluoropolyether acids or salts comprise an anionic group selected from the group consisting of carboxylate, sulfonate, sulfonamide anion and phosphonate. Also disclosed is an aqueous dispersion polymerization process for fluoropolymer manufacture employing polymerization agent comprising the specified mixture of fluoropolyether acids or salts.Type: ApplicationFiled: May 6, 2009Publication date: November 12, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Paul Douglas Brothers, Subhash Vishnu Gangal, Gregory Allen Chapman, Jon Lee Howell, Adam Paul Smith
-
Publication number: 20090270522Abstract: Provided are foam blowing agents comprising one or more chlorofluoroolefins selected from 1,2-dichloro-1,2-difluoroethene, 3,3-dichloro-3-fluoropropene, 2-chloro-1,1,1,3,4,4,4-heptafluoro-2-butene, and 2-chloro-1,1,1,4,4,4-hexafluoro-2-butene, as well as foams produced therefrom.Type: ApplicationFiled: April 23, 2009Publication date: October 29, 2009Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Rajiv R. Singh, Ian Shankland, James M. Bowman, David J. Williams
-
Publication number: 20090179174Abstract: A fluorine-containing curable composition containing (A) A fluorine-containing amino compound having primary or secondary amino groups at both ends, said compound being represented by the formula (1): Y-Q-Rf-(X-Rf)n-Q-Y ??(1) wherein Rf is a divalent perfluorooxyalkylene group, each Q is independently a divalent organic group having 1 to 20 carbon atoms and, optionally, containing an oxygen atom and/or a nitrogen atom, X is a divalent organic group having 1 to 20 carbon atoms and, optionally, containing an oxygen atom and/or a nitrogen atom, Y is an organic group having a primary or secondary amino group and 1 to 20 carbon atoms and, optionally, containing an oxygen atom, and n is an integer of from 1 to 20, (B) An epoxy compound having at least two epoxy groups in a molecule, in an amount such that the amount of the epoxy groups is 0.Type: ApplicationFiled: January 9, 2009Publication date: July 16, 2009Inventors: Yasunori SAKANO, Noriyuki KOIKE
-
Publication number: 20090170988Abstract: A stabilizer system for stabilizing halogen-containing polymers against thermal degradation, the stabilizer system comprising: (a) at least one perfluoroalkanesulphonate salt; and (b) at least one alkanolamine wherein the at least one alkanolamine has the general formula (I)Type: ApplicationFiled: March 3, 2009Publication date: July 2, 2009Applicant: Crompton Vinyl AdditivesGmbHInventors: Wolfgang WEHNER, Hans-Helmut Friedrich
-
Publication number: 20090117286Abstract: An actinic ray curable composition comprising a radical polymerizing monomer, wherein the radical polymerizing monomer contains a mono-functional monomer, a content of which is not less than 5 weight % and not more than 30 weight %, and further contains a silicone-containing compound or a fluorine-containing compound.Type: ApplicationFiled: May 16, 2006Publication date: May 7, 2009Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventor: Wataru Ishikawa
-
Publication number: 20090105367Abstract: An initiator system for self-curing plastic material comprises a) at least one salt of a dialklylbarbituric acid and/or an alkylcycloalkylbarbituric acid and/or alkylarylbarbituric acid and/or a cycloalkylarylbarbituric acid that is insoluble in methacrylate monomers; b) at least one heavy metal salt that is insoluble in methacrylate monomers; c) at least one halogenide ion donor that is insoluble in methacrylate monomers; and d) at least one acid that is soluble in methacrylate monomers. The initiator system can be used for the preparation of paste/paste, paste/powder, paste/liquid, powder/liquid, and liquid/liquid combinations for the production of medical plastic material and dental materials. Additionally, a bone cement composition containing the initiator system is described.Type: ApplicationFiled: October 20, 2008Publication date: April 23, 2009Applicant: HERAEUS MEDICAL GMBHInventors: SEBASTIAN VOGT, HUBERT BUCHNER