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229 results about "Sulfonated polymer" patented technology
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Sulfonated Polyacrylic Acid Copolymer is suitable to be used in water quality of high pH and high alkaline, it is one of the ideal scale inhibitor and dispersant on high concentration index.
Monomer containing electron-withdrawing group and electron-donative group, and copolymer and proton-conductive membrane comprising same
InactiveUS6794480B2Impairment of mechanical propertyImprove proton conductivityNon-metal conductorsOrganic compound preparationArylMethanol water
Owner:JSR CORPORATIOON
Medical devices having improved performance
In accordance with various aspects of the invention, implantable and insertable medical devices are provided, which contain one or more polymeric regions. In one aspect, the polymeric regions comprise (a) a block copolymer that comprises a polyaromatic block and a polyalkene block admixed with (b) a sulfonated high Tg polymer. In another aspect, the polymeric regions comprise a block copolymer that comprises (a) a sulfonated polymer block and (b) fluorinated polymer block.
Owner:BOSTON SCI SCIMED INC
Polyelectrolyte membranes comprised of blends of pfsa and sulfonated pfcb polymers
A polymer blend useful as an ion conductor in fuel cells includes a first polymer having a cyclobutyl moiety and a second polymer include a sulfonic acid group.
Owner:GM GLOBAL TECH OPERATIONS LLC
Polymer blend proton exchange membrane and method for manufacturing the same
ActiveUS20110136016A1Excellent comprehensive propertyHigh degree of sulfonationNon-metal conductorsFuel cells groupingPolymer sciencePhenolphthalein
The present invention relates to a polymer blend proton exchange membrane comprising a soluble polymer and a sulfonated polymer, wherein the soluble polymer is at least one polymer selected from the group consisting of polysulfone, polyethersulfone and polyvinylidene fluoride, the sulfonated polymer is at least one polymer selected from the group consisting of sulfonated poly(ether-ether-ketone), sulfonated poly(ether-ketone-ether-ketone-ketone), sulfonated poly(phthalazinone ether keton), sulfonated phenolphthalein poly(ether sulfone), sulfonated polyimides, sulfonated polyphosphazene and sulfonated polybenzimidazole, and wherein the degree of sulfonation of the sulfonated polymer is in the range of 96% to 118%. The present invention further relates to a method for manufacturing the polymer blend proton exchange membrane.
Owner:BEIJING PRUDENT CENTURY TECH CO LTD
A composite ion-exchange membrane and a preparation method thereof, and a redox flow battery
ActiveCN103236553AHigh ion selectivityLow costCell electrodesRegenerative fuel cellsPolymer scienceSulfonated polymer
The present invention discloses a composite ion-exchange membrane and a preparation method thereof, and a redox flow battery. The composite ion-exchange membrane is prepared by using a sulfonated polymer as a matrix, incorporating inorganic materials into the matrix, and mixing the sulfonated polymer and the inorganic materials uniformly. The ion-exchange capacity of the sulfonated polymer is 0.1-5mmol / g, the mass percentage of the sulfonated polymer is 80-99.99wt%, the mass percentage of the inorganic materials is 0.01-20wt%, and the mass percentagesof the sulphonated polymer and the inorganic materials sum to 100wt%. According to the present invention, by introducing a certain amount of inorganic materials into a certain amount of the sulfonated polymer matrix for modification, the composite ion-exchange membrane is allowed to both have a high ionic selectivity and a high stability. By applying the prepared composite ion-exchange membrane in the redox flow cell, higher battery efficiency and more stable battery performance can be achieved. The preparation method of the composite ion-exchange membrane is simple and is conducive to promoting the industrial development of redox flow batteries.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
Polypyrrolone/sulfonated polymer composite proton exchange membrane material, and preparation method and application thereof
ActiveCN103087337AHigh mechanical strengthImprove conductivityCell component detailsSolid electrolyte fuel cellsPtru catalystIn situ polymerization
The invention discloses a polypyrrolone / sulfonated polymer composite proton exchange membrane material, and a preparation method and an application thereof. The composite proton exchange membrane material is prepared with the method comprising the steps that: (1) under the protection of an inert atmosphere, aromatic tetraamine monomer, aromatic dianhydride monomer, and a catalyst are subjected to an in-situ polymerization reaction in a sulfonate polymer solution, such that a membrane-forming liquid comprising a polypyrrolone prepolymer is obtained; and (2) the membrane-forming liquid is coated on a carrier, and heating treatment membrane preparation is carried out; cooling and demolding are carried out after membrane preparation is finished; the obtained membrane is transformed by washing by using an acid solution, such that the polypyrrolone / sulfonated polymer composite proton exchange membrane material is obtained. With the method provided by the invention, the components are dispersed more uniformly, and operation is simpler. The prepared composite membrane has good mechanical strength and conductivity. Compared with a non-modified sulfonated polymer, size stability and alcohol resistance are greatly improved. The membrane material can be used in fields such as proton exchange membrane of proton exchange membrane fuel cell, ion exchange resin, membrane separation, sensor, and the like.
Owner:TSINGHUA UNIV
Stable and compatible polymer blends
The present invention pertains to products and processes relating to compatible polymer blends comprising at least one sulfonated polymer and at least one non-sulfonated polymer. The sulfonated polymers may be produced using a number of sulfonating agents including a coordination complex of sulfur trioxide. The polymeric blended materials described herein are useful in a variety of applications, including as coatings for medical devices, protective clothing and fabric, laboratory equipment, vascular stents and shunts, absorbent materials and separation membranes, three-dimensional constructs, devices, and other uses.
Owner:AEGIS BIOSCI +1
Sulfonated conducting polymer-grafted carbon material for fuel cell applications
A composition comprising particulate carbonaceous material and a sulfonated conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fuel cells. A method for preparing the composition comprises oxidatively polymerizing with ozone a monomer of a conducting polymer containing hetero atoms in the presence of a carbonaceous material and sulfonating the polymer or the monomer. The method grafts the sulfonated conducting polymer to the carbonaceous material. The method can further comprise metallizing the polymer-grafted carbonaceous material.
Owner:COLUMBIAN CHEM CO
Method for preparing sulfonated polymer films
InactiveCN101531765AHigh retention rateIncrease water fluxSemi-permeable membranesPoly ether ether ketonePolymer science
The invention discloses a method for preparing sulfonated polymer films, which comprises the following steps: preparing a casting solution and film-forming on the basis of phase-inversion. The sulfonation reaction is carried out between one or two of polyether-ether-ketone (PEEK), phenolphthalein polyaryl ether sulfone (PES-C) or polystyrene (PS) and concentrated sulfuric acid, fuming sulfuric acid or chlorosulfonic acid to obtain a sulfonated polymer solution in the preparation of the casting solution; and then, the film is directly formed on the basis of the phase-inversion method. The sulfonated polymer film prepared by the invention has higher pure water flux and protein retention rate, furthermore, the method has the advantages of good anti-pollution performance, higher mechanical strength and simple preparation process.
Owner:TIANJIN UNIV
Cross-linked sulphonated polymers and method for preparing same
InactiveUS20020002240A1Improve mechanical propertiesFine surfaceSemi-permeable membranesOrganic diaphragmsCross-linkElectrolysis
The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in electrochemical cells, in a chlorine-sodium electrolysis process, as separator in an electrochemical preparation or organic and inorganic compounds, as separators between an aqueous phase and an organic phase, or as catalyst for Diels-Alder additions, Friedel-Craft reactions, aldol concentrations, cationic polymerisation, esterification, and acetal formation.
Owner:MICHOT CHRISTOPHE +1
Sulfonated polymer composition for forming fuel cell electrodes
InactiveUS20060036064A1Maintain integritySolid electrolytesCation exchanger materialsFuel cellsSulfonated polymer
A membrane electrode assembly for a fuel cell is described. The materials for the membrane electrode assembly are formed from sulfonated polymers. A polymer dispersion ink containing the sulfonated polymer and a mixture of solvents is used to form the electrodes on the exchange membrane. The dispersion ink allows for the electrodes to be formed directly on the exchange membrane without significantly dissolving the exchange membrane.
Owner:VIRGINIA TECH INTPROP INC
Surface-Stabilized Anode Active Material Particulates for Lithium Batteries and Production Method
ActiveUS20190115617A1High specific capacityLong charge-discharge cycle lifeElectrode manufacturing processesFinal product manufactureParticulatesPoly(ethylene glycol) dimethyl ether
Provided is a surface-stabilized anode active material particulate (for use in a lithium battery), comprising: (a) one or a plurality of prelithiated or un-prelithiated anode active material particles (with or without a coating of carbon, graphene, or ion-conducting polymer); (b) a protecting polymer layer that wraps around, embraces or encapsulates the one or plurality of anode active material particles, wherein the protecting polymer layer has a thickness from 0.5 nm to 5 μm, and a lithium ion conductivity from 10−8 S / cm to 5×10−2 S / cm at room temperature and the protecting polymer layer contains a polymer selected from poly(ethylene oxide) (PEO), polypropylene oxide (PPO), poly(acrylonitrile) (PAN), poly(methyl methacrylate) (PMMA), poly(vinylidene fluoride) (PVdF), poly bis-methoxy ethoxyethoxide-phosphazene, polyvinyl chloride, poly(vinylidene chloride), polydimethylsiloxane, poly(vinylidene fluoride)-hexafluoropropylene (PVDF-HFP), polyethylene glycol (PEG), a PEG derivative, polyethylene glycol methyl ether, polyethylene glycol dimethyl ether, a sulfonated polymer, or a combination thereof.
Owner:GLOBAL GRAPHENE GRP INC
Porous membrane for flow battery and with hierarchical pore structure, and preparation and application thereof
ActiveCN106532081AHigh selectivityEffective control of pore sizeRegenerative fuel cellsSulfonated polymerPorous membrane
The invention relates to a porous membrane for a flow battery and with a hierarchical pore structure, and preparation and application thereof. According to the invention, one or more selected from a group consisting of organic polymer resin or sulfonated polymer resin are used as raw materials; a porous membrane prepared with micromolecular particles as a hard template is used as a matrix; an immerged phase inversion process is employed for curing and film formation; and a template agent is removed so as to prepare the porous membrane with the hierarchical pore structure. The porous membrane with the hierarchical pore structure is simple and environment-friendly to prepare, and has controllable pore size and porosity, and batch production of the porous membrane with the hierarchical pore structure can be easily realized. Compared with the original porous membrane, the porous membrane with the hierarchical pore structure has the advantage that the pore structure can be controlled by controlling the content of the template agent; and a battery prepared from the porous membrane with the hierarchical pore structure has good capacity retention ratio and battery efficiency.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Mixed matrix type cation exchange membrane and preparation method thereof
ActiveCN110336052AInhibit water swellingImprove tensile propertiesRegenerative fuel cellsOrganic structureFunctional modification
The invention relates to a mixed matrix type cation exchange membrane and a preparation method thereof. The cation exchange membrane takes a sulfonated modified polymer material as a substrate and isdoped with Schiff base type covalent organic framework materials loaded with different functional groups. The preparation method comprises the following steps of: sequentially performing monomer preparation and polymerization of a covalent organic framework material, sulfonation modification of a polymer, uniform mixing of the covalent organic framework material and a sulfonated polymer, and flow-spreading film formation; and finally, performing acid treatment to obtain the cation exchange membrane. The covalent organic framework material can effectively improve the vanadium resistance of themembrane based on the rigid porous structure; the organic porous structure of the covalent organic framework and the different functional modifications can partially compensate the loss of membrane proton conductivity caused by the introduction of particles; the rigid framework can obviously inhibit the swelling in the membrane and can improve the tensile strength of the membrane; COFs is composedof organic structures and can promote compatibility between sulfonated polymers and covalent organic framework materials; and moreover, the polymer as the substrate can improve the film forming performance of the covalent organic framework material, so that the covalent organic framework material has the better mechanical strength.
Owner:DALIAN UNIV OF TECH
Cement compositions for reducing gas or water migration and methods of using the same
Owner:HALLIBURTON ENERGY SERVICES INC
Nanocellulose/sulfonated polyaryletherketone composite film as well as preparation method and application of nanocellulose/sulfonated polyaryletherketone composite film
ActiveCN104530682AImprove mechanical propertiesExpand the range of conditions of useSolid electrolyte fuel cellsComposite filmFuel cells
The invention discloses a nanocellulose / sulfonated polyaryletherketone composite film as well as a preparation method and application of the nanocellulose / sulfonated polyaryletherketone composite film, belonging to the technical field of proton conduction films of fuel cells. The mass ratio of nanocellulose to sulfonated polyaryletherketone in the composite film is (0.01-0.05): (0.45-0.49), and the nanocellulose is preferably nanocellulose containing a sulfonic group and hydroxyl. The preparation method comprises the steps of firstly, polymerizing a monomer with the sulfonic group or directly sulfonating a polymer to obtain sulfonated polyaryletherketone; and then, carrying out solution blending on sulfonated polyaryletherketone and the nanocellulose subjected to refining treatment and surface modification to prepare the nanocellulose / sulfonated polyaryletherketone composite film. The composite film disclosed by the invention can be used as a proton conduction film of a fuel cell; the film is 10-300mu m thick and has the proton conductivity of more than 10<-2>S / cm at the temperature of 20-150 DEG C, meanwhile, the permeability coefficient of methanol is reduced, and the size stability and the water absorptivity are improved.
Owner:CHANGCHUN UNIV OF TECH
Sulfonated poly(arylene ether ketone) polymer with side chains containing benzimidazolyl in and preparation method thereof
InactiveCN101357984AImprove proton conductivityOvercome the disadvantages of operating temperature below 80°CCell component detailsSolid electrolyte fuel cellsPolymer scienceEnd-group
The invention belongs to the field of a high molecular material, which in particular relates to a polymer with lateral chains containing benzoglioxaline groups in the seires of sulfonated poly aryl ether ketone used for proton-exchange membranes of high-temperature fuel cells, and a preparation method thereof. Firstly, bisphenol monomers with lateral chains linked with carboxyls, fluorine-terminated monomers and sulfonated fluorine-terminated monomers react to prepare a sulfonated polyaryletherketone polymer with skeleton connected with carboxy groups; the degree of sulphonation of the polymer can be adjusted between 0 to 2 by adjusting the ratio of fluorine-terminated monomers and the sulfonated fluorine-terminated monomers. Subsequently, benzoglioxaline groups are introduced onto the lateral chain of the sulfonated polymer by adding ortho-phenylene diamine. Polyaryletherketone of different degrees of sulphonation with lateral chains containing benzoglioxaline groups can be prepared by adjusting the ratio of the sulfonated monomers and unsulfonated monomers. A series of membranes prepared are promising in application in the field of fuel cell membranes, in particular at high temperature.
Owner:JILIN UNIV
Reinforced composite electrolyte membrane for fuel cell
ActiveUS20070231653A1Quality improvementIncreased durabilitySolid electrolytesFinal product manufacturePolymer electrolytesPolymer science
Disclosed is a composite electrolyte membrane comprising a microporous polymer substrate and a sulfonated polymer electrolyte. The composite electrolyte membrane comprises: a first polymer electrolyte layer formed of a first non-fluorinated or partially-fluorinated sulfonated polymer electrolyte; a non-fluorinated or partially-fluorinated microporous polymer substrate stacked on the first polymer electrolyte layer, wherein pores of the microporous polymer substrate are impregnated with a second non-fluorinated or partially-fluorinated sulfonated polymer electrolyte, and the first polymer electrolyte and the second polymer electrolyte are entangled with each other on an interface thereof; and a third polymer electrolyte layer formed on the microporous polymer substrate impregnated with the second polymer electrolyte by a third non-fluorinated or partially-fluorinated sulfonated polymer electrolyte, wherein the second polymer electrolyte and the third polymer electrolyte are entangled with each other on an interface thereof. A method for manufacturing the composite electrolyte membrane, and a membrane-electrode assembly (MEA) and a fuel cell comprising the composite electrolyte membrane are also disclosed.
Owner:LG CHEM LTD
Method for preparing polybenzimidazole/sulfonated polymer composite proton exchange membrane material
InactiveCN101875722AHigh mechanical strengthImprove conductivitySemi-permeable membranesCell component detailsPolymer scienceIon-exchange resin
The invention discloses a method for preparing a polybenzimidazole / sulfonated polymer composite proton exchange membrane material, and belongs to the technical field of preparation of functional polymer materials. The method comprises the following steps of: transforming a sulfonated polymer into a sulfonate polymer by alkali treatment, dissolving the sulfonate polymer in an organic solvent, and adding a catalyst, and tetramine monomers and dialdehyde monomers in an equimolar ratio; and stirring the mixture to obtain membrane making liquid; making a membrane and transforming the membrane to obtain the polybenzimidazole / sulfonated polymer composite proton exchange membrane material, wherein the tetramine monomers are one or any combination of compounds which have the molecular structures shown in the specifications; and each component has the advantages of uniform dispersion and simple operation. The prepared polybenzimidazole / sulfonated polymer composite proton exchange membrane material has the advantages of high mechanical strength, high electric conductivity, great improvement on dimensional stability, methanol permeability and temperature tolerance, and suitability for the fields of direct methanol fuel cells (DMFCs), the proton exchange membranes of proton exchange membrane fuel cells (PEMFCs), ion exchange resin, membrane separation, sensors and the like.
Owner:TSINGHUA UNIV
Polybenzimidazole containing ether ketone/ether sulfone structure as well as sulfonated polymer and preparation method thereof
Owner:ZHEJIANG UNIV OF TECH
Cement compositions for reducing gas or water migration and methods of using the same
A method of cementing a wellbore comprising preparing a cement composition comprising a water-soluble aromatic sulfonated polymer, and placing the cement composition into the wellbore, wherein the cement composition develops a compressive strength of greater than about zero in less time than a similar cement composition having a comparable thickening time and lacking a water-soluble aromatic sulfonated polymer. A cement composition comprising a water-soluble aromatic sulfonated polymer, wherein the cement composition develops a compressive strength of greater than about zero in less time than a similar cement composition having comparable thickening time and lacking a water-soluble aromatic sulfonated polymer.
Owner:HALLIBURTON ENERGY SERVICES INC
Sulfonated polymer applied to lithium battery electrode as binder
ActiveCN104466112AHigh performance featuresHigh rate characteristicsSecondary cellsNon-aqueous electrolyte accumulator electrodesHigh current densitySulfonated polymer
The invention relates to a sulfonated polymer applied to a lithium battery electrode as a binder as well as a method for preparing the lithium battery electrode. The sulfonated polymer is used as the binder in electrode slurry of the lithium battery electrode, the obtained lithium battery electrode is used for assembling a lithium battery, and the lithium battery is relatively long in charging-discharge cycle life and stable in work under a relatively high current density. The sulfonated polymer with a sulfonic acid group has excellent capacity of transferring lithium ions, so that the lithium ions can be rapidly transmitted back and forth between an electrode active material and an electrolyte, and the lithium battery which is stable to run under the rapid charging-discharging condition can be obtained. The sulfonated polymer which is used as the binder is sufficient in cohesion force and binding strength, and the electrode active material and a conductive medium are stuck onto a current collector by the sulfonated polymer and are unlikely to fracture and dust, so that the lithium battery has sufficient capacity and cycle performance as well as excellent rate capacity.
Owner:BEIJING NATURE STONE SCI TECH DEVP
Preparation method of organic-inorganic composite proton exchange membrane for fuel cell
ActiveCN103296297AGood hygroscopicityStructurally intactSolid electrolyte fuel cellsFuel cell detailsFuel cellsSulfonated polymer
The invention belongs to the technical field of fuel cells, and in particular discloses a preparation method of an organic-inorganic composite proton exchange membrane for a fuel cell. The preparation method comprises the following steps of: oxidating a carbon nano tube first, then preparing the carbon nano tube coated by silicon dioxide by using a sol-gel method, and mixing dispersion liquid of the carbon nano tube coated by silicon dioxide with dispersion liquid of sulfonated polymers to prepare a solution casting membrane. The prepared composite proton exchange membrane has high water-absorbing performance and high alcohol resistant performance.
Owner:HUBEI ENG UNIV
Polyaryletherketone/polyether sulphone with side chain containing benzimidazole and preparation method and application of polyaryletherketone/polyether sulphone
ActiveCN106279693AImprove performanceThe synthesis steps are simpleCell component detailsSolubilityPolymer science
The invention provides polyaryletherketone / polyether sulphone with a side chain containing benzimidazole and a preparation method and application of polyaryletherketone / polyether sulphone. Polyaryletherketone / polyether sulphone with the side chain containing benzimidazole is a sulfonated polymer of which a main chain is composed of a repetitive structure unit shown in the formula (i) and the molecular weight ranges from 7,000 to 12,000 or an unsulfonated polymer of which a main chain is composed of a constitutional repeating unit shown in the formula (ii) and the molecular weight ranges from 7,000 to 12,000. A polyaryletherketone / polyether sulphone polymer with the side chain containing benzimidazole is obtained through a one-step synthesis method, the synthesis steps are simplified, by means of intramolecular and intermolecular interaction between benzimidazole and a sulfonic acid group, the problems that a highly sulfonated polymer is soluble in water, and polybenzimidazole is poor in solubility are solved, and the comprehensive performance of the polymer can be further improved. Please see the formulas in the description.
Owner:ZHEJIANG UNIV OF TECH
High performance positively charged composite membranes and their use in nanofiltration processes
InactiveUS20130306551A1Uniform mechanical strengthSemi-permeable membranesMembranesSulfonated polymerNanofiltration
The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for their preparation. Furthermore, the present invention is directed to nanofiltration processes making use of said composite membrane.
Owner:BASF AG +1
Ion-conducting sulfonated polymeric materials
InactiveUS20080275146A1Improve thermal stabilityImprove proton conductivitySemi-permeable membranesIon-exchanger regenerationHeteropoly acidWater uptake
Owner:VIRGINIA TECH INTPROP INC
Composite film for flow energy storage battery and application thereof
InactiveCN102867928AHigh ion selectivityImprove hydrophilicitySynthetic resin layered productsCell component detailsComposite filmOrganic polymer
The invention discloses a composite film for a flow energy storage battery and an application of the composite film in the flow energy storage battery. The composite film disclosed herein is characterized by using one or more than two of organic polymer resin or sulfonated polymer resin as raw material to prepare a porous film as a matrix, and successively alternately self-assembling cationic polymer resin and anion polymer resin layer by layer on the surface of the matrix by static electricity to form the composite film. The composite film disclosed herein has the advantages of simple preparation method, environmentally friendly process, controllable number of assembling layers, and adjustable ionic selectivity. Compared with original porous films, the composite film disclosed herein has good hydrophilicity and vanadium ion blocking ability, and an all vanadium flow energy storage battery assembled by using the composite film has higher efficiency and longer self-discharge time.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
Sulfonated polymer having nitrile-containing hydrophobic block and solid polymer electrolyte
ActiveUS7115699B2Excellent hot water resistanceIncrease acid concentrationNon-metal conductorsSolid electrolytesPolymer electrolytesAryl
Owner:JSR CORPORATIOON
Monomer containing electron-withdrawing group and electron-donative group, and copolymer and proton-conductive membrane comprising same
InactiveUS20020177656A1Impairment of mechanical propertyImprove proton conductivityNon-metal conductorsOrganic compound preparationArylMethanol water
A monomer containing an electron-withdrawing group and an electron-donative group which can be easily controlled in the upper limit of the amount of a sulfonic acid, which impairs the mechanical properties of a copolymer, and can provide a sulfonated polymer that forms a proton-conductive membrane having a high proton conductivity over a wide temperature range, an excellent mechanical strength and an excellent proton conductivity and showing inhibited swelling in hot water and an aqueous solution of methanol, and a copolymer obtained from the monomer. A monomer containing an electron-withdrawing group and an electron-donative group represented by the following general formula (1): wherein Y represents a iodine atom, chlorine atom or bromine atom; X represents an electron-withdrawing group; B represents an electron-donative group; and Z represents an aryl group having a specific structure or a monovalent condensed ring hydrocarbon group such as naphthyl group.
Owner:JSR CORPORATIOON
Conducting film and manufacturing method thereof, electronic device and manufacturing method thereof
InactiveCN101552052AGood dispersionImprove conductivityMaterial nanotechnologyNon-insulated conductorsFiltrationSulfonated polymer
The invention provides a conducting film which can be easily manufactured in high production efficiency and is formed by low-resistivity carbon nano tubes and a manufacturing method thereof. Carbon nano tubes are dispersed in solution with perfluoro sulfonated polymer as dispersant dissolved inside. A film with a structure that perfluoro sulfonated polymer is remained among the carbon nano tubes is formed by utilizing the solution with dispersed carbon nano tubes and vacuum filtration; and the conducting film formed by the carbon nano tubes is manufactured through dying the film. Water, ethanol or solvent containing water and ethanol can be used as the solvent.
Owner:SONY CORP
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