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Synthetic Resins Or Natural Rubbers -- Part Of The Class 520 Series > Synthetic Resins Or Natural Rubbers > Ion-exchange Polymer Or Process Of Preparing > Membrane Or Process Of Preparing Membrane Or Process Of PreparingMembrane Or Process Of Preparing patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/04/07 - 20070004811 - Polymerized oil for use as a dust control agent An aqueous dispersion of a polymerized (e.g., oxidized) oil, preferably an oxidized vegetable oil, suitable for reducing dusting in industrial processes, prepared by using, as the primary dispersing (emulsification) agent, a sulfated or sulfonated oil (also preferably a sulfated or sulfonated vegetable oil) to disperse the polymerized oil. ... 12/14/06 - 20060281824 - Crosslinked polymer electrolyte fuel cell membranes and their producing process A polymer electrolyte membrane produced by a process in which a monofunctional vinyl monomer into which sulfonic acid groups can be introduced and a vinyl monomer having a halogen at a terminal are co-grafted into a polymer base film that has been exposed to an ionizing radiation, and the base ... 12/07/06 - 20060276556 - Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using an alcohol/water mixture A fluorinated ion exchange polymer is prepared by grafting at least one grafting monomer derived from trifluorostyrene on to at least one base polymer in a water/alcohol mixture. These ion exchange polymers are useful in preparing catalyst coated membranes and membrane electrode assemblies used in fuel cells. ... 12/07/06 - 20060276555 - Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using a solvent/water mixture A fluorinated ion exchange polymer is prepared by grafting at least one grafting monomer derived from trifluorostyrene on to at least one base polymer in a organic solvent/water mixture. These ion exchange polymers are useful in preparing catalyst coated membranes and membrane electrode assemblies used in fuel cells. ... 11/16/06 - 20060258759 - Ion conductive polymers and imide monomers M+ is H+ or Li+. ... 11/16/06 - 20060258758 - Aromatic-polyether-type ion-conductive ultrahigh polymer, intermediate thereof, and processes for producing these Ar2—On—Ar2 (2) ... 11/09/06 - 20060252841 - Method of producing a polymer for making proton conductive membranes In a method of producing a polymer for making proton conductive membranes on the basis of a base polymer other than a vinyl polymer said base polymer is a) bromated or iodized, b) the bromated or iodized polymer is reacted with at least one of phosphonic acid esters and phosphoric ... 10/26/06 - 20060241192 - Composite ion-exchange membrane A composite ion exchange membrane having a high swelling resistance and being superior in mechanical strength and ion conductivity can be provided by means of an composite ion exchange membrane including an ion exchange resin composition and a support membrane having a continuous pore penetrating the support membrane, wherein the ... 10/05/06 - 20060223895 - Process for producing hybrid ion-exchange membranes comprising functional inorganics and graft polymer and electrolyte membranes for use in fuel cells comprising the hybrid ion-exchange membranes Polymer ion-exchange membranes having outstanding electrical conductivity, water retention and oxidation resistance are produced by the steps of uniformly mixing an organic high-molecular weight resin with functional inorganics having the abilities to promote graft polymerization of polymerizable monomers, adsorb water and conduct protons, irradiating the resulting functional inorganics/polymer membrane to ... 10/05/06 - 20060223894 - Ionomeric membrane side chains of formula: —O—CF2—CF2—SO331 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 ... 09/14/06 - 20060205829 - Polymer electrolyte membranes crosslinked by nitrile trimerization The first pendent groups are typically according to the formula: —R1—SO3H, where R1 is a branched or unbranched perfluoroalkyl or perfluoroether group comprising 1-15 carbon atoms and 0-4 oxygen atoms, most typically —O—CF2—CF2—CF2—CF2—SO3H or —O—CF2—CF(CF3)—O—CF2—CF2—SO3H. ... 09/14/06 - 20060205828 - Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups The invention provides a method for recovery of an anionic fluorinated surfactant from a basic anion exchange resin having quaternary ammonium groups, the method comprising eluting the anion exchange resin with a composition comprising an ammonium salt and a water miscible organic solvent. The method according to the invention may ... 08/31/06 - 20060194890 - Electrolyte membrane-forming curable resin composition, and preparation of electrolyte membrane and electrolyte membrane/electrode assembly A curable resin composition comprising (a) a compound having at least one ethylenically unsaturated group and at least one ion conductive group, (b) a compound having at least two ethylenically unsaturated groups, (c) an organosilicon compound having at least two SiH groups, (d) a platinum group catalyst, and (e) a ... 08/17/06 - 20060183809 - Polymer composite membrane and method of making the same The present invention provides a polymer composite membrane having a polymer membrane and a poly(furfuryl alcohol) filling internal pores of the polymer membrane. The polymer composite membrane can have a high proton conductivity and/or a reduced methanol permeability and can be used in fuel cells, electrochemical sensor, and the like. ... 08/03/06 - 20060173084 - Bipolar membrane and method of making same A sheet having anion exchange functionality and a sheet having cation exchange functionality are juxtaposed and joined by current bonding into a unitary bipolar membrane. This may be done without added reactants or bonding agents by placing the two-layer assembly between opposed electrodes in a fluid cell, preferably at pressure, ... 07/06/06 - 20060148912 - Porous film of vinylidene fluoride resin and method for producing same A porous membrane of vinylidene fluoride resin excellent in hydrophilicity and having a good balance among strength, elongation and water permeation rate, which is thus useful as a microfiltration membrane or a separator of battery. The porous membrane is formed from a copolymer of 100 mols of a vinylidene fluoride ... 07/06/06 - 20060148911 - Porous polymeric membrane comprising vinylidene fluoride A process for producing a porous polymeric structure which process comprises preparing a solution comprising a polymer which comprises vinylidene fluoride in a solvent/non-solvent mixture; holding the solution at an elevated temperature until the polymer is completely solvated; casting the solution to form a thin layer; and drying the thin ... 05/04/06 - 20060094792 - Proton conducting membrane for fuel cells An ion conducting membrane comprising dendrimeric polymers covalently linked into a network structure. The dendrimeric polymers have acid functional terminal groups and may be covalently linked via linking compounds, cross-coupling reactions, or copolymerization reactions. The ion conducting membranes may be produced by various methods and used in feul cells. ... 02/16/06 - 20060035987 - Hydrophilic side-chain polymer, electrolyte membranes Exemplary methods for the characterization of proton dissociation and transport for hydrophilic components of hydrated Polymer Electrolyte Membranes (PEM's) is described. Disclosed features and specifications may be variously implemented, controlled, adapted or otherwise optionally modified to improve differential hydrophilicity of the sidechain of any ionomeric PEM material. A representative embodiment ... 01/05/06 - 20060004112 - Ion conductive polymer electrolyte membrane and production method for the same The present invention provides an electrolyte membrane formed of an ion conductive composition. Said composition contains a liquid crystalline polymer having an ionic dissociative group. Molecular chains of the liquid crystalline polymer are orientated in a specific direction. The degree of orientation α of the liquid crystalline polymer is in ... 12/22/05 - 20050282919 - Ion conductive copolymers containing one or more hydrophobic oligomers In one aspect, the invention provides ion conductive copolymers comprising (1) a plurality of first oligomers, (2) a plurality of second oligomers, (3) ion conductive monomers and (4) linking monomers. The oligomers preferably are hydrophobic and together with the ion conductive monomers are randomly dispersed between the linking monomers. Uses ... 11/17/05 - 20050256213 - Ion conductive film and fuel cell using the same Disclosed is an ion conductive film containing a composite body between an ion conductive polymer and a nitrogen-containing compound. The nitrogen-containing compound has an immobilized portion to the ion conductive polymer and exhibits an enantiomeric isomer structure when protonated. Alternatively, the nitrogen-containing compound is capable of assuming a chemical structure ... 10/27/05 - 20050239912 - Fluorinated membranes at EW=1,600 PMAX higher than 0.32 Watt/cm2. ... 10/13/05 - 20050228061 - Sulphonic fluorinated ionomers B) a fluorinated compound as crosslinking radical initiator; C) a fluorinated bis-olefin of structure (I) as crosslinking agent; the radical crosslinking being carried out at a temperature in the range 250° C.-310° C., preferaably 260° C.-300° C. ... ### FreshPatents.com Support |