Fluorine Containing Monomer Contains At Least One Diverse Halogen Atom Patents (Class 526/249)
  • Patent number: 10364311
    Abstract: The present invention provides 1,3,3,3-tetrafluoropropene (HFO-1234ze) copolymers comprising 1,3,3,3-tetrafluoropropene and one or more comonomers selected from the group consisting of vinyl fluoride (VF), vinylidene fluoride (VF2), tetrafluoroethylene (TFE), chlorotrifluoroethylene (CTFE), hexafluoropropylene (HFP), and perfluoro(alkyl vinyl ether) (PAVE), wherein said alkyl contains 1 to 5 carbon atoms, the copolymers being a fluoroplastic or a fluoroelastomer, depending upon monomer content.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: July 30, 2019
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Sheng Peng, Phan Linh Tang, Ming Hong Hung, Ronald Earl Uschold
  • Patent number: 10259899
    Abstract: This invention relates to copolymer compositions of poly(vinylidene fluoride-2,3,3,3-tetrafluoropropene) copolymers. The copolymers formed have excellent optical properties, corrosion resistance and electrical properties, with very low haze. Tetrafluoropropene monomer units may be present at from 0.5 to 60 weight percent of the copolymer.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: April 16, 2019
    Assignee: ARKEMA INC.
    Inventors: Mehdi Durali, David A. Mountz
  • Patent number: 10189918
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: January 29, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Shijun Feng, Siyuan Zhang, Yun Lin, Andrew J. Poss
  • Patent number: 9920214
    Abstract: Provided is a paint composition which can give a coating having excellent stretchability and further having excellent contamination resistance. A solvent-based paint composition comprises a fluorocopolymer (I), and an organic solvent (II), the fluorocopolymer (I) including: a perhaloolefin structural unit (a) that contains two carbon atoms, a vinyl acetate structural unit (b), a hydroxyl group-containing vinyl monomer structural unit (c) represented by the following formula (1): CH2?CH—O—(CH2)n—OH wherein n is an integer of 2 or more, and a carboxyl group-containing monomer structural unit (d) represented by the following formula (2): R1R2C?CR3—(CH2)m—COOH wherein R1, R2, and R3 are the same as or different from one another, and each a hydrogen atom or a C1-C10 linear or branched alkyl group; and m is an integer of 2 or more.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: March 20, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuji Imahori, Hirotoshi Yoshida, Mayumi Iida, Kengo Ito, Yoshito Tanaka, Katsuhiko Imoto, Takuma Kawabe, Akiko Ohya
  • Patent number: 9850394
    Abstract: An object of the present invention is to provide a filler-containing resin film in which shedding of inorganic materials or the like is suppressed, a resin composition that can be used in production of the filler-containing resin film, and a method for producing the filler-containing resin film. The filler-containing resin film of the present invention is a filler-containing resin film comprising: a vinylidene fluoride copolymer obtained by copolymerizing vinylidene fluoride and a compound represented by formula (1) (in formula (1), R1, R2, and R3 are each independently hydrogen atoms, chlorine atoms, or alkyl groups having from 1 to 5 carbons; and X? is an atomic group having a molecular weight of 472 or less and having a main chain configured from 1 to 19 atoms); and an insulating inorganic filler. The resin film is produced by applying onto a substrate and then drying a resin composition containing the vinylidene fluoride copolymer, the insulating inorganic filler, and an organic solvent.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: December 26, 2017
    Assignee: KUREHA CORPORATION
    Inventors: Yusaku Inaba, Tamito Igarashi, Yuki Sakai, Aya Takeuchi
  • Patent number: 9790358
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (?m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processable fluoropolymer (MPF), such as fluorinated ethylene propylene (FEP), in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (?m).
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: October 17, 2017
    Assignee: Whitford Corporation
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Patent number: 9782730
    Abstract: The present invention generally relates to polymeric membrane materials formed, at least in part, from monomeric material selected from 2,3,3,3-tetrafluoropropene (CF3CF?CH2, HFO-1234yf) or trans-1,3,3,3-tetrafluoropropene (CF3CH?CFH, HFO-1234ze), and to membrane preparations and uses thereof in water desalination, filtration, membrane distillation, pervaporation, and selective gas separation.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: October 10, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Changqing Lu, Andrew J. Poss, Rajiv R. Singh
  • Patent number: 9624325
    Abstract: The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: April 18, 2017
    Assignee: HONEYWELL INTENATIONAL INC.
    Inventors: Wanchao Jiang, Shijun Feng, Siyuan Zhang, Yun Lin, Andrew J. Poss
  • Patent number: 9290587
    Abstract: A process for manufacturing terpolymers by polymerization of VDF (vinylidene difluoride), TrFE (trifluoroethylene), and CFE (1-chloro-1-fluoroethylene) or CTFE (chlorotrifluoroethylene) monomers in the presence of a radical polymerization initiator, characterized in that: i) an initial mixture of VDF and of TrFE, free of CFE and of CTFE, is fed into an autoclave, ii) the initiator mixed with water is injected into the autoclave so as to achieve, inside the autoclave, a pressure at least equal to 80 bar, in order to form a suspension of VDF and TrFE monomers in water, iii) a secondary mixture constituted of VDF, TrFE and CFE or CTFE is injected into the autoclave, then iv) as soon as the polymerization reaction starts, said secondary mixture is reinjected continuously into the reactor, so as to maintain therein a constant pressure of at least 80 bar.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: March 22, 2016
    Assignee: PIEZOTECH
    Inventor: Francois Bauer
  • Patent number: 9234063
    Abstract: A peroxide curable perfluoroelastomer comprising: recurring units derived from tetrafluoroethylene (TFE); and recurring units derived from perfluoromethylvinylether (MVE); such perfluoroelastomer possessing a Mooney Viscosity (ML2+9) at 121° C. of from 25 to 140 MU, when measured according to ASTM D1646 standard, and comprising such MVE recurring units in an amount of from 26 to 33% by moles with respect to total moles of TFE and MVE. A process for the manufacture of such perfluoroelastomer, and cured articles obtainable therefrom.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: January 12, 2016
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Milena Stanga, Claudia Manzoni, Margherita Albano
  • Patent number: 9029464
    Abstract: Perfluoroelastomeric gel having the following properties: appearance: transparent gelatinous solid; water content between 10% and 90% by weight; density between 1.1 and 2.1 g/cm3; said gel satisfies the following test: dried in a stove at 90° C. until a constant weight gives curable perfluoroelastomers.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: May 12, 2015
    Assignee: Solvay Solexis S.p.A.
    Inventors: Stefano Arrigoni, Marco Apostolo, Margherita Albano
  • Publication number: 20150107194
    Abstract: There is provided a method for producing a PCTFE film having excellent moisture resistance, good tensile elongation, and excellent formability. Provided is a method for producing a polychlcrotrifluoroethylene film, the method including step (1) of melting and molding polychlorotrifluoroethylene into a film, step (2) of maintaining the formed film at a temperature of 100° C. to 170° C., and step (3) of cooling the film to room temperature after the maintaining, wherein the temperature of the film is not allowed to be 170° C. or lower during an interval between step (1) and step (2).
    Type: Application
    Filed: October 17, 2014
    Publication date: April 23, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tatsuya HIGUCHI, Toshiaki MASUI, Hidenori OZAKI, Shinya MURAKAMI, Takeshi INABA
  • Publication number: 20150110984
    Abstract: An object of the present invention it to provide a novel fluororesin that has excellent mechanical strength and chemical resistance, and very low permeability at high temperature. The fluorine resin a copolymer that includes copolymerized units derived from tetrafluoroethylene, vinylidene fluoride, and an ethylenically unsaturated monomer other than tetrafluoroethylene and vinylidene fluoride. The fluororesin has a storage modulus E?, as measured at 170° C. by a dynamic viscoelasticity analysis, in the range of 60 to 400 MPa.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro KITAHARA, Takuma KAWABE
  • Publication number: 20150111031
    Abstract: A tetrafluoroethylene (TFE) copolymer film having a first endotherm between about 50° C. and about 300° C., a second endotherm between about 320° C. and about 350° C., and a third endotherm between about 350° C. and about 400° C. is provided. In exemplary embodiments, the third endotherm is approximately 380° C. In some embodiments, the second endotherm is between about 320° C. and about 330° C. or between about 330° C. and about 350° C. TFE copolymer films have a methane permeability less than about 20 ?g*micron/cm2/min. In addition, the dense articles have a void volume of less than about 20%. Methods for dense articles from core shell tetrafluoroethylene copolymers are also provided. The dense articles exhibit improved physical and mechanical properties such as adhesion and barrier properties.
    Type: Application
    Filed: December 19, 2014
    Publication date: April 23, 2015
    Inventors: Lawrence A. Ford, Michael E. Kennedy, Shaofeng Ran, Todd S. Sayler, Gregory J. Shafer
  • Patent number: 8997797
    Abstract: An object of the present invention it to provide a novel fluororesin that has excellent mechanical strength and chemical resistance, and very low permeability at high temperature. The fluorine resin a copolymer that includes copolymerized units derived from tetrafluoroethylene, vinylidene fluoride, and an ethylenically unsaturated monomer other than tetrafluoroethylene and vinylidene fluoride. The fluororesin has a storage modulus E?, as measured at 170° C. by a dynamic viscoelasticity analysis, in the range of 60 to 400 MPa.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: April 7, 2015
    Assignee: Daikin Industries, Ltd.
    Inventors: Takahiro Kitahara, Takuma Kawabe
  • Publication number: 20150094432
    Abstract: The present invention relates to the preparation of trifluoroethylene (VF3 or TrFE) by hydrogenolysis of chlorotrifluoroethylene (CTFE) in the gaseous phase over a group VIII metal catalyst deposited on a support. This method can be used to obtain VF3 in an economical manner in conditions which minimize the risk of explosion of this molecule. Using a catalyst containing a group VIII metal and, more specifically, containing Pd deposited on a support and a specific series of steps of separation and purification makes it possible to obtain excellent CTFE conversion rates and high selectivity in VF3 at atmospheric pressure and at low temperatures.
    Type: Application
    Filed: February 22, 2013
    Publication date: April 2, 2015
    Applicant: ARKEMA FRANCE
    Inventors: Philippe Leduc, Thierry Lannuzel, Dominique Garrait, Serge Hub, Emmanuel Guiraud, Fabrice Domingues Dos Santos
  • Publication number: 20150080524
    Abstract: Provided is a polymer, a composition and film comprising the polymer, and a preparation method of the polymer. The polymer includes a compound having a hydrophobic property at its terminal, and thus a film capable of having a hydrophobic surface can be provided at the same time when the film is formed without a separate surface treatment. Further, an effect capable of permanently hydrophobically modifying a film surface is obtained at a low cost and a composition that does not occur a phase separation phenomenon in a polymer solution state is provided. For example, the film is used as a water repellent coating film, an anti-contamination film, or the like.
    Type: Application
    Filed: November 26, 2014
    Publication date: March 19, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Ae Yoon, No Ma Kim, Su Jeong Kim, In Ho Hwang
  • Patent number: 8895681
    Abstract: Amorphous hydrofluoroolefin telomers are prepared by a free-radical polymerization process conducted at high temperature and pressure in the presence of non-monomeric chain transfer agent.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 25, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Jon Lee Howell, Clay Woodward Jones, Robert Clayton Wheland
  • Patent number: 8871882
    Abstract: A method for the preparation of a fluoropolymer by means of emulsion polymerization of a reaction mixture in an aqueous medium is disclosed wherein the reaction mixture includes a fluoromonomer having the structure of wherein R1, R2, and R3 are each independently hydrogen atoms, alkyl groups, substituted alkyl groups, or halogens, wherein at least one of R1, R2, and R3 is a fluorine atom, and wherein R is each independently a substituent on the styrenic ring, n is an integer from 0 to 5 representing the number of the substituents on the styrenic ring; b) an emulsion stabilizer combination comprising: i) an anionic surfactant; and, ii) a cationic surfactant or a non-ionic surfactant; and, c) a free-radical initiator.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: October 28, 2014
    Assignee: Akron Polymer Systems, Inc.
    Inventors: Xiaoliang Zheng, Dong Zhang, Jiaokai Jing, Ted Calvin Germroth, Frank W. Harris, Thauming Kuo, Bin Wang, Douglas Stephens McWilliams
  • Publication number: 20140296438
    Abstract: The invention relates to a polyvinylidene fluoride polymer having an ultra-high molecular weight, and unexpected physical properties. The ultra-high molecular weight polymer is clear, has a lower melting point, reduced crystallinity, excellent impact resistance, and a high elongation at the yield point. The ultra-high molecular weight polyvinylidene fluoride can be alone, or blended with other polymers, in final applications and articles.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Inventor: Ramin Amin-Sanayei
  • Patent number: 8835551
    Abstract: Iodine containing amorphous fluoropolymers having at least one fluoropolymer with a cure site, where the fluoropolymer has a Mooney viscosity of 2 or less (ML 1+10) at 100° C. according to ASTM D1646, and a peel strength to a roll mill of 10 dN/cm or less and methods for making such iodine containing amorphous fluoropolymers are described. Articles derived from the cured product of such iodine containing amorphous fluoropolymers are also described. Solutions, dispersions and coatings derived from such iodine containing amorphous fluoropolymers are also described.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: September 16, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Tatsuo Fukushi, Peter J. Scott, Cynthia N. Ferguson, Werner M. A. Grootaert, Denis Duchesne, Yeng Moua, Larry A. Last, Terri A. Shefelbine, Luke M. B. Rodgers
  • Patent number: 8785580
    Abstract: The invention relates to a polyvinylidene fluoride polymer having an ultra-high molecular weight, and unexpected physical properties. The ultra-high molecular weight polymer is clear, has a lower melting point, reduced crystallinity, excellent impact resistance, and a high elongation at the yield point. The ultra-high molecular weight polyvinylidene fluoride can be alone, or blended with other polymers, in final applications and articles.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: July 22, 2014
    Assignee: Arkema Inc.
    Inventor: Ramin Amin-Sanayei
  • Patent number: 8765397
    Abstract: A cell dispersion method, a cell dispersing agent and a cell measurement method, each of which can disperse a cell mass while reducing damage to a cell are provided. Upon dispersing a cell mass, a fluororesin particle is used. A cell mass composed of an aggregated of multiple cells is mixed with a fluororesin particle in a liquid medium, thereby separating the cell mass into individual cells to disperse the cells. In addition, the dispersed cells are measured by flow cytometry, thereby carrying out cell measurement.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: July 1, 2014
    Assignee: Sysmex Corporation
    Inventor: Hiroyuki Kabata
  • Patent number: 8735520
    Abstract: A process for producing vinyl fluoride polymer comprising polymerizing vinyl fluoride in an aqueous polymerization medium containing initiator and halogen-free surfactant with a critical micelle concentration of less than about 0.05 weight percent at 25° C. The halogen-free surfactant is present in the aqueous polymerization medium in an amount less than about 0.1 weight percent based on the weight of the aqueous polymerization medium. The aqueous polymerization medium is essentially free of halogen-containing surfactant. An aqueous dispersion comprising vinyl fluoride polymer particles present in a range of from about 5 to about 40 weight percent based on the weight of the aqueous phase, wherein said vinyl fluoride polymer particles have a Dv(50) of less than about 20 microns, and halogen-free surfactant, wherein said halogen-free surfactant is present in said aqueous dispersion in an amount less than 0.1 weight percent based on the weight of the aqueous phase.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: May 27, 2014
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Ronald Earl Uschold
  • Publication number: 20140135464
    Abstract: A process for manufacturing terpolymers by polymerization of VDF (vinylidene difluoride), TrFE (trifluoroethylene), and CFE (1-chloro-1-fluoroethylene) or CTFE (chlorotrifluoroethylene) monomers in the presence of a radical polymerization initiator, characterized in that: i) an initial mixture of VDF and of TrFE, free of CFE and of CTFE, is fed into an autoclave, ii) the initiator mixed with water is injected into the autoclave so as to achieve, inside the autoclave, a pressure at least equal to 80 bar, in order to form a suspension of VDF and TrFE monomers in water, iii) a secondary mixture constituted of VDF, TrFE and CFE or CTFE is injected into the autoclave, then iv) as soon as the polymerization reaction starts, said secondary mixture is reinjected continuously into the reactor, so as to maintain therein a constant pressure of at least 80 bar.
    Type: Application
    Filed: October 7, 2013
    Publication date: May 15, 2014
    Applicant: PIEZOTECH
    Inventor: Francois BAUER
  • Patent number: 8697822
    Abstract: The present invention relates to a method for the polymerization in an aqueous medium of monomers, and especially of fluoromonomers, using non-fluorinated surfactants; and the fluoropolymers formed therefrom. Specifically, the method of the polymerization uses one or more non-fluorinated surfactants selected from the group consisting of polyvinylphosphonic acid, polyacrylic acids, polyvinyl sulfonic acid, and salts thereof. Additionally, the use of polyvinylphosphonic acid, polyacrylic acids, polyvinyl sulfonic acid as surfactants in aqueous free radical polymerization is also novel.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: April 15, 2014
    Assignee: Arkema Inc.
    Inventors: Mehdi Durali, Lotfi Hedhli, Ramin Amin-Sanayei
  • Publication number: 20140094557
    Abstract: A true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent, wherein the copolymer is expandable, that is, the copolymer may be expanded to produce strong, useful, expanded TFE copolymeric articles having a microstructure of nodes interconnected by fibrils. Articles made from the expandable copolymer may include tapes, membranes, films, fibers, and are suitable in a variety of end applications, including medical devices.
    Type: Application
    Filed: December 4, 2013
    Publication date: April 3, 2014
    Applicant: W. L. Gore & Associates, Inc.
    Inventor: Lawrence A. Ford
  • Publication number: 20140080987
    Abstract: A fluoroelastomer comprising a copolymer of fluoroolefin monomers selected from one or more of the group consisting of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene, and ethylenically unsaturated co-monomers; wherein the fluoroelastomer has a glass transition temperature (Tg) of from about ?60° C. to about 53° C. A process of making the fluoroelastomer.
    Type: Application
    Filed: March 7, 2013
    Publication date: March 20, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventor: Honeywell International Inc.
  • Patent number: 8637608
    Abstract: Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: January 28, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Klaus Hintzer, Michael Juergens, Harald Kaspar, Kai H. Lochhaas, Oleg Shyshkov, Andre Streiter, Tilman C. Zipplies, Sabine H. G. Beuermann, Muhammad Imran ul-haq
  • Patent number: 8637144
    Abstract: A process for the polymerization of a true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent, wherein the copolymer is expandable, that is, the copolymer may be expanded to produce strong, useful, expanded TFE copolymeric articles having a microstructure of nodes interconnected by fibrils.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: January 28, 2014
    Assignee: W. L. Gore & Associates, Inc.
    Inventor: Lawrence A. Ford
  • Publication number: 20140018492
    Abstract: Provided is a paint composition which can give a coating having excellent stretchability and further having excellent contamination resistance. A solvent-based paint composition comprises a fluorocopolymer (I), and an organic solvent (II), the fluorocopolymer (I) including: a perhaloolefin structural unit (a) that contains two carbon atoms, a vinyl acetate structural unit (b), a hydroxyl group-containing vinyl monomer structural unit (c) represented by the following formula (1): CH2?CH—O—(CH2)n—OH wherein n is an integer of 2 or more, and a carboxyl group-containing monomer structural unit (d) represented by the following formula (2): R1R2C?CR3—(CH2)m—COOH wherein R1, R2, and R3 are the same as or different from one another, and each a hydrogen atom or a C1-C10 linear or branched alkyl group; and m is an integer of 2 or more.
    Type: Application
    Filed: March 30, 2012
    Publication date: January 16, 2014
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuji Imahori, Hirotoshi Yoshida, Mayumi Iida, Kengo Ito, Yoshito Tanaka, Katsuhiko Imoto, Takuma Kawabe, Akiko Ohya
  • Publication number: 20140005335
    Abstract: A process for the preparation of a fluoroolefin polymer from an azeotropic mixture of monomers having a constant composition, the process including the step of: contacting in a reaction zone: (i) an initiator; and (ii) an azeotropic mixture of monomers including at least one fluoroolefin and, optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein the contacting is carried out at a temperature, pressure and length of time sufficient to produce the fluoroolefin polymer.
    Type: Application
    Filed: September 5, 2013
    Publication date: January 2, 2014
    Applicant: Honeywell International Inc.
    Inventors: George J. Samuels, Gregory J. Shafer, Hang T. Pham
  • Patent number: 8575286
    Abstract: A polymer comprising recurring units derived from vinylidene fluoride (VDF) and trifluoroethylene (TrFE), such polymer comprising end groups of formula —CF2H and/or —CF2CH3 in an amount of at least 60 mmoles per kg of VDF recurring units [polymer (F)], a process for its manufacture and the use thereof as ferroelectric, piezoelectric, dielectric or pyroelectric material in electric/electronic devices.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: November 5, 2013
    Assignee: Solvay Solexis S.p.A.
    Inventors: Giulio Brinati, Alessio Marrani, Bernard Goffaux
  • Patent number: 8552127
    Abstract: A process for manufacturing terpolymers by polymerization of VDF (vinylidene difluoride), TrFE (trifluoroethylene), and CFE (1-chloro-1-fluoroethylene) or CTFE (chlorotrifluoroethylene) monomers in the presence of a radical polymerization initiator, characterized in that: i) an initial mixture of VDF and of TrFE, free of CFE and of CTFE, is fed into an autoclave, ii) the initiator mixed with water is injected into the autoclave so as to achieve, inside the autoclave, a pressure at least equal to 80 bar, in order to form a suspension of VDF and TrFE monomers in water, iii) a secondary mixture constituted of VDF, TrFE and CFE or CTFE is injected into the autoclave, then iv) as soon as the polymerization reaction starts, said secondary mixture is reinjected continuously into the reactor, so as to maintain therein a constant pressure of at least 80 bar.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: October 8, 2013
    Assignee: Piezotech
    Inventor: Francois Bauer
  • Patent number: 8552128
    Abstract: A process for the preparation of a fluoroolefin polymer from an azeotropic mixture of monomers having a constant composition, the process including the step of: contacting in a reaction zone: (i) an initiator; and (ii) an azeotropic mixture of monomers including at least one fluoroolefin and, optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith; wherein the contacting is carried out at a temperature, pressure and length of time sufficient to produce the fluoroolefin polymer.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: October 8, 2013
    Assignee: Honeywell International Inc.
    Inventors: George J Samuels, Gregory J Shafer, Hang T Pham
  • Patent number: 8536237
    Abstract: An ionomeric membrane formed of a sulphonic (per)fluorinated ionomer wherein the sulphonic groups are at the end of short side chains (SSC), said ionomer having: equivalent weight between 700 and 1600 g/eq; side chains of formula: —O—CF2—CF2—SO3?M+, wherein M is hydrogen or an alkaline metal; said membrane having the following combination of properties: size variations, for both the orthogonal directions xy of the plane, lower than 15%, measured after dipping of the ionomeric membrane, dried at 105° C. under vacuum for one hour, in demineralized water at 100° C. for 30 minutes; the membrane, dipped at the temperature of 50° C. for 22 hours in a water/ethanol mixture containing 40% by weight of alcohol, remains integral.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: September 17, 2013
    Assignee: Solvay Solexis S.p.A.
    Inventors: Alessandro Ghielmi, Paola Vaccarono, Vincenzo Arcella
  • Publication number: 20130184422
    Abstract: Fluorinated macromonomers, a PCTFE-g-poly(M) graft copolymer, and moisture barrier films and articles formed therefrom are provided. The PCTFE-g-poly(M) graft copolymers have a PCTFE backbone component and a plurality of pendant groups attached to the PCTFE backbone component.
    Type: Application
    Filed: December 13, 2012
    Publication date: July 18, 2013
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventor: Honeywell International Inc.
  • Publication number: 20130178593
    Abstract: Disclosed is a melt-flowable fluoropolymer comprising repeating units arising from (a) tetrafluoroethylene and (b) a monomer having at least one functional group and a polymerizable carbon-carbon double bond, wherein the sum of the weight percent of (a) and (b) comprises at least about 99 weight percent of all repeating units comprising the melt-flowable fluoropolymer.
    Type: Application
    Filed: February 28, 2013
    Publication date: July 11, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: E I DU PONT DE NEMOURS AND COMPANY
  • Patent number: 8481661
    Abstract: A noncrystalline fluoroelastomer which is a copolymer consisting essentially of vinylidene fluoride and a fluoromonomer represented by the general formula (1): CH2?CFRf??(1) wherein Rf is a straight or branched fluoroalkyl group containing 1 to 12 carbon atoms, and has a vinylidene fluoride units/fluoromonomer units mol ratio of 78/22 to 22/78 and a glass transition temperature of not higher than 25° C.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: July 9, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Shigeru Morita, Masanori Kitaichi, Shouji Fukuoka, Daisuke Ota
  • Publication number: 20130123447
    Abstract: To provide a fluorinated compound having an RF group with at most 6 carbon atoms, whereby a fluorinated polymer having a highly durable water/oil repellency can be produced, and an environmental load is little, and a fluorinated polymer and a fluorinated copolymer having a highly durable water/oil repellency and presenting little environmental load, obtainable by polymerizing such a fluorinated compound. A fluorinated compound represented by the following formula (I) and its polymer: CH2?C(M)COO(CH2)nPhCOO(CH2)mCrF2r+1??(I) (in the formula (I), M is a hydrogen atom, a methyl group or a halogen atom, n is an integer of from 0 to 2, Ph is a phenylene group, m is an integer of from 1 to 4, and r is an integer of from 1 to 6).
    Type: Application
    Filed: December 18, 2012
    Publication date: May 16, 2013
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Asahi Glass Company, Limited
  • Patent number: 8357772
    Abstract: Provided is a terminally iodized polyfluoroalkane represented by the general formula: CnF2n+1(CHXCFY)s+p(CF2CF2)t+rI??[I] (in the formula, X and Y are each a hydrogen atom or a fluorine atom, wherein when Y is a fluorine atom, X is also a fluorine atom; n is an integer of 1 to 6; s+p is an integer of 1 to 5 and denotes the number of CHXCFY group; and t+r is 0 or an integer of 1 to 6 and denotes the number of tetrafluoroethylene skeleton). The terminally iodized polyfluoroalkane is produced by telomerizing a fluorine-containing olefin CHX?CFY and tetrafluoroethylene, successively, to CnF2n+1I in the presence of a peroxide initiator.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: January 22, 2013
    Assignee: Unimatec Co., Ltd.
    Inventors: Masayosi Horiuti, Seiichiro Murata, Katsuyuki Sato
  • Publication number: 20120289661
    Abstract: To provide a fluorinated elastic copolymer which is excellent in crosslinking reactivity and extrusion moldability and which is curable to obtain a rubber excellent in permanent compression set resistance, base resistance and oil resistance and particularly suitable as a covering material for electric wires. A fluorinated elastic copolymer obtained by copolymerizing tetrafluoroethylene, propylene and optionally another monomer, wherein the molar ratio (a)/(b) of repeating units (a) derived from tetrafluoroethylene to repeating units (b) derived from propylene in the fluorinated elastic copolymer is from 60/40 to 75/25, and repeating units (c) derived from said another monomer is from 0 to 10 mol % in the fluorinated elastic copolymer.
    Type: Application
    Filed: July 17, 2012
    Publication date: November 15, 2012
    Applicant: Asahi Glass Company, Limited
    Inventors: Takehiro Kose, Mitsuru Seki, Go Mizuno
  • Patent number: 8226876
    Abstract: Disclosed herein is a method to produce a semi-crystalline fluoro-polymer film. A semi-crystalline fluoro-polymer material is used. The material is compressed to produce the film. During compression, the material is maintained at a temperature below the melting point of the material. The compression step can be cycled to allow cooling of the material between compression stages. Alternative methods are provided for compressing the material with a co-extrusion substrate, extruding the material and utilizing mandrel expansion for the material.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: July 24, 2012
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: O. Richard Hughes, Alfred R. Austen
  • Publication number: 20120184697
    Abstract: A polyvinylidene difluoride copolymer with a fluoroolefin selected from 2,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2-chloro-pentafluoropropene, hexafluoropropylene, trifluoroethylene, chlorotrifluoroethylene, 3,3,3-trifluoro-2-trifluoromethylpropene and a mixture thereof, wherein the stoichiometry of the co-monomers defines the barrier properties of the copolymer. Such polymers include moisture barrier copolymers and oxygen barrier copolymer. Processes for preparing such moisture barrier copolymers and oxygen barrier copolymers are also provided.
    Type: Application
    Filed: March 20, 2012
    Publication date: July 19, 2012
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: GEORGE J. SAMUELS, GREGORY J. SHAFER, TAO LI, CLINTON A. THRELFALL, NANCY IWAMOTO, ERIC J. RAINAL
  • Publication number: 20120184653
    Abstract: This invention relates to a synthesis of a linear fluorocopolymer having a plurality of pendant phosphorus-containing functional groups. The synthesized phosphorus-containing fluorocopolymer has chain linearity and narrow molecular weight distributions. It has applications as a lubricant additive that provides friction-reduction, anti-wear, and corrosion protection properties.
    Type: Application
    Filed: January 18, 2011
    Publication date: July 19, 2012
    Inventors: Liang Wang, Viktoria Wang
  • Patent number: 8217126
    Abstract: Disclosed herein are novel fluoroolefins of formula Rf—O—(CF2CF2)n(CH2CF2)m—CH?CH2, wherein n is 1 or 2, m is 0 or 1 and Rf is a C1-C8 fluoroalkyl or fluoroalkoxy group. The fluoroolefins may be oxidized to manufacture fluorinated carboxylic acids. Also disclosed are fluoropolymers comprising copolymerized units of the fluoroolefins of the invention and at least one other fluoromonomer.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: July 10, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Ming-Hong Hung, Sheng Peng
  • Publication number: 20120148818
    Abstract: A fluorine-containing copolymer, containing: chlorotrifluoroethylene monomer units (A); and monomer units (B), which are obtained by polymerizing a monomer selected from the group consisting of (i) a monomer having a formula: CH2?CHCOON(R0)2, wherein each R0 is independently a hydrogen or an alkyl group; (ii) N-vinylcaprolactam; (iii) a monomer having a formula: CH2?CR1CH2OCH2CR2?CH2, wherein R1 and R2 are each independently a hydrogen, a fluorine, or a methyl group; (iv) a monomer having a formula: CH2?CHCH2CH(CH3)—R3, wherein R3 is a linear alkyl group comprising 1 to 7 carbons; and (v) a monomer of methyl 2-fluoroacrylate, wherein a ratio, (A)/((A)+(B)), is from 3 to 99 mol %, a fluorine content of the copolymer is from 15 to 75 mol %, and a molecular weight of the copolymer is from 1,000 to 1,000,000.
    Type: Application
    Filed: January 31, 2012
    Publication date: June 14, 2012
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Safir L. ADAM, Song Li, Shinji Okada, Nobuyuki Kasahara, Katsuya Ueno, Yoshitomi Morizawa, Takashi Okazoe
  • Patent number: 8193276
    Abstract: A fluorocopolymer capable of exhibiting excellent water and oil resistance even with its perfluoroalkyl group being a short chain, and a water and oil proofing composition containing it, are provided. A water and oil proofing composition containing a fluorocopolymer (A) comprising from 40 to 98 mass % of polymerized units (a?) having a C1-6 perfluoroalkyl group, from 1 to 50 mass % of polymerized units (b?) having an alkylene oxide and from 1 to 10 mass % of polymerized units (c?) based on a monomer represented by CH2?C(COOH)-Q-COOH (wherein Q is a C1-4 alkylene group, etc.).
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: June 5, 2012
    Assignee: Asahi Glass Company, Limited
    Inventors: Shuichiro Sugimoto, Takao Hirono, Eiji Morimoto
  • Publication number: 20120116039
    Abstract: A process for manufacturing terpolymers by polymerization of VDF (vinylidene difluoride), TrFE (trifluoroethylene), and CFE (1-chloro-1-fluoroethylene) or CTFE (chlorotrifluoroethylene) monomers in the presence of a radical polymerization initiator, characterized in that: i) an initial mixture of VDF and of TrFE, free of CFE and of CTFE, is fed into an autoclave, ii) the initiator mixed with water is injected into the autoclave so as to achieve, inside the autoclave, a pressure at least equal to 80 bar, in order to form a suspension of VDF and TrFE monomers in water, iii) a secondary mixture constituted of VDF, TrFE and CFE or CTFE is injected into the autoclave, then iv) as soon as the polymerization reaction starts, said secondary mixture is reinjected continuously into the reactor, so as to maintain therein a constant pressure of at least 80 bar.
    Type: Application
    Filed: October 7, 2011
    Publication date: May 10, 2012
    Inventor: Francois Bauer
  • Patent number: 8163858
    Abstract: A polyvinylidene difluoride copolymer with a fluoroolefin selected from 2,3,3,3-tetrafluoropropene, 1,1,3,3,3-pentafluoropropene, 2-chloro-pentafluoropropene, hexafluoropropylene, trifluoroethylene, chlorotrifluoroethylene, 3,3,3-trifluoro-2-trifluoromethylpropene and a mixture thereof, wherein the stoichiometry of the co-monomers defines the barrier properties of the copolymer. Such polymers include moisture barrier copolymers and oxygen barrier copolymer. Processes for preparing such moisture barrier copolymers and oxygen barrier copolymers are also provided.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: April 24, 2012
    Assignee: Honeywell International Inc.
    Inventors: George J Samuels, Gregory J Shafer, Tao Li, Clinton A Threlfall, Nancy Iwamoto, Eric J Rainal