| Entries |
| Document | Title | Date |
|---|
| 20080214684 | Process for Dissolution of Highly Fluorinated Ion-Exchange Polymers - Highly fluorinated ion-exchange polymers achieve dissolution in aqueous tetrahydrofuran at lower pressures and temperatures than in other solvents, with few or no side products being formed. | 09-04-2008 |
| 20090012190 | Polymeric Media Comprising Polybenzimidazoles N-substituted with Organic-Inorganic Hybrid Moiety - A PBI compound includes imidazole nitrogens at least a portion of which are substituted with an organic-inorganic hybrid moiety. At least 85% of the imidazole nitrogens may be substituted. The organic-inorganic hybrid moiety may be an organosilane moiety, for example, (R)Me | 01-08-2009 |
| 20090156699 | ANION EXCHANGE POLYMERS, METHODS FOR MAKING AND MATERIALS PREPARED THEREFROM - A novel anion exchange polymer is provided. A method of making the anion exchange polymer includes reacting a tertiary amine, an acid inhibitor and a polyepoxide to form a quaternary ammonium monomer and polymerizing the quaternary ammonium monomer in the presence of a catalyst. The exchange polymer is prepared without using alkyl halides and can be used to make improved ion exchange materials that are chemically resistant and non-fouling. | 06-18-2009 |
| 20090176896 | Shape Memory Materials Comprising Polyelectrolyte Segments - The present invention concerns shape memory materials comprising polyelectrolyte segments. These segments can be used for fixing a permanent shape and/or such segments can also be employed as switching segments responsible for the fixation and release of the temporary shape. | 07-09-2009 |
| 20090312443 | METHOD FOR PRODUCING AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION AND AQUEOUS FLUORINE-CONTAINING POLYMER DISPERSION - The present invention provides a method of obtaining good aqueous fluoropolymer dispersions low in fluorinated surfactant content by efficiently removing the fluorinated surfactant through pH adjustment. The present invention is related to a method of producing an aqueous fluoropolymer dispersion comprising a contact treatment for brining a raw aqueous fluoropolymer dispersion into contact with an anion exchanger, and the contact treatment being carried out while a pH of the raw aqueous fluoropolymer dispersion is adjusted to 2 to 9. | 12-17-2009 |
| 20100056649 | PROCESS FOR PREPARING BRANCHED Si-H FUNCTIONAL POLYSILOXANES AND USE THEREOF FOR PREPARING LIQUID SiC- OR SiOC-LINKED, BRANCHED MODIFIED ORGANOMODIFIED POLYSILOXANES - The invention provides a process for preparing liquid, branched SiH-functional siloxanes by reacting a mixture of one or more low molecular weight SiH-functional siloxanes, one or more low molecular weight SiH-free siloxanes, one or more tetraalkoxysilanes, and optionally one or more trialkoxysilanes with addition of water and in the presence of a Brønsted-acidic ion exchanger, which is characterized in that the reaction is performed in one process step. | 03-04-2010 |
| 20100069516 | INORGANIC ANION EXCHANGER COMPOSED OF BISMUTH COMPOUND AND RESIN COMPOSITION FOR ELECTRONIC COMPONENT ENCAPSULATION USING THE SAME - A bismuth compound, useful as an inorganic anion exchanger used for an encapsulating material for, e.g., semiconductors, has a peak intensity of 900 to 2000 cps at 2θ=27.9° to 28.1° and a peak intensity of 100 to 800 cps at 2θ=8.45° to 8.55° in a powder X-ray diffraction pattern, and is represented by the following formula (1): | 03-18-2010 |
| 20100105785 | Derivatized polyhydroxystyrenes (DPHS) with a novolak type structure and blocked DPHS(BDPHS) and processes for preparing the same - A process for preparing a blocked derivatized poly(4-hydroxystryrene)-DPHS having a novolak type structure which comprises the steps of (i) supplying a solution of methanol containing 4-hydroxyphenylmethylcarbinol, (ii) subjecting said solution to an acid catalyzed displacement reaction for a sufficient period of time and under suitable conditions of temperature and pressure to convert substantially all of said carbinol to 4-hydroxyphenylmethylcarbinol methyl ether in solution, (iii) polymerizing said ether containing solution in the presence of a suitable acid catalyst for a sufficient period of time and under suitable conditions of temperature and pressure to form a novolak type polymer; and (iv) reacting said polymer with a vinyl ether, a dialkyl dicarbonate, or a mixture of vinyl ether and a dialkyl dicarbonate to form the blocked DPHS. New compositions of matter | 04-29-2010 |
| 20100120927 | FULLERENE BASED PROTON CONDUCTIVE MATERIALS - A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic. | 05-13-2010 |
| 20100152308 | NOVEL AROMATIC COMPOUND AND POLYARYLENE COPOLYMER HAVING NITROGEN-CONTAINING HETEROCYCLE INCLUDING SULFONIC ACID GROUP IN SIDE CHAIN - Provided is a solid polymer electrolyte having increased heat resistance and high proton conductivity and a proton conductive membrane composed of the electrolyte. Also provided is a copolymer having a sulfonic acid group. The copolymer includes a repeating unit represented by Formula (1): | 06-17-2010 |
| 20100160465 | Fluorinated Ionomer Produced by Aqueous Polymerization Using Dispersed Particulate of Fluorinated Ionomer Produced In Situ - A process for making an aqueous dispersion of fluorinated ionomer particles by polymerizing in a first polymerization step at least one fluorinated monomer having an ionic group in an aqueous polymerization medium in the presence of initiator, the polymerizing providing dispersed particulate of fluorinated ionomer, polymerizing in a second polymerization step at least one fluorinated monomer having an ionic group in the aqueous polymerization medium in the presence of the dispersed particulate of fluorinated ionomer and initiator to form the aqueous dispersion of particles of fluorinated ionomer, and suspending the first polymerization step prior to beginning the second polymerization step. | 06-24-2010 |
| 20100197815 | Polyparaphenylene Hydrocarbon Electrolyte, Manufacture Method Therefor, and Polyparaphenylene as well as Electrolyte Membrane, Catalyst Layer and Solid Polymer Fuel Cell - A polyparaphenylene hydrocarbon electrolyte having a structure represented by a formula (1), a manufacture method therefore, and a polyparaphenylene usable as a raw material for manufacturing the polyparaphenylene hydrocarbon electrolyte, as well as a electrolyte membrane, a catalyst layer and a solid polymer fuel cell that employ the polyparaphenylene hydrocarbon-based electrolyte. In the formula, A is an integer of (1) or greater; B is an integer of 0 or greater; and C is an integer of 1 to 10. X represents a direct bond or an oxygen atom, which is arbitrarily assignable in repetitions. At least one of Y | 08-05-2010 |
| 20100222441 | ORGANIC SUPERACIDS, POLYMERS DERIVED FROM ORGANIC SUPERACIDS, AND METHODS OF MAKING AND USING THE SAME - One embodiment of the invention contemplates a proton exchange membrane for use in a variety of fuel cells. The proton exchange membrane may comprise a solid phase organic based copolymer material in which a first structural unit is derived from a polymerizable organic super acid. The organic super acid may comprise an acid group such as a sulfonic acid group or a carboxylic acid group. | 09-02-2010 |
| 20100234478 | PROCESS FOR PREPARATION OF CONDUCTING POLYMERS - Methods of preparing conducting polymers and the conductive polymers prepared therefrom are provided. The method includes a) combining a monomer-metal complex together with a manganese (II) halide to provide a monomer-manganese complex, and b) combining the monomer-manganese complex together with a metal catalyst to provide the conductive polymer. Electronic devices can be made using the polymers prepared as described herein. | 09-16-2010 |
| 20110039958 | NOVEL PHENOL COMPOUNDS AND (CO)POLYMERS THEREOF - The present invention relates to A phenol compound according to Formula (I): wherein: R | 02-17-2011 |
| 20110046246 | ANION-CONDUCTING POLYMER, COMPOSITION, AND MEMBRANE - Anion-conducing polymers and membranes with enhanced stability to aqueous alkali include a polymer backbone with attached sulfonium, phosphazenium, phosphazene, and guanidinium residues. Compositions also with enhanced stability to aqueous alkali include a support embedded with sulfonium, phosphazenium, and guanidinium salts. | 02-24-2011 |
| 20110065816 | INORGANIC RESINS FOR CLINICAL USE OF 213BI GENERATORS - Applicant's invention is a radionuclide generator resin material for radiochemical separation of daughter radionuclides, particularly | 03-17-2011 |
| 20110152387 | Fluorinated Ionomer Produced by Aqueous Polymerization Using Dispersed Particulate of Fluorinated Ionomer - A process for making an aqueous dispersion of fluorinated ionomer particles by providing dispersed particulate of fluorinated ionomer in an aqueous polymerization medium and polymerizing at least one fluorinated monomer having an ionic group in the aqueous polymerization medium in the presence of the dispersed particulate of fluorinated ionomer and initiator to form the aqueous dispersion of particles of fluorinated ionomer. | 06-23-2011 |
| 20110196050 | ION EXCHANGEABLE MIXTURE AND METHOD OF PRODUCING THE SAME - An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms. | 08-11-2011 |
| 20120029097 | SHAPE MEMORY MATERIALS COMPRISING POLYELECTROLYTE SEGMENTS - The present invention concerns shape memory materials comprising polyelectrolyte segments. These segments can be used for fixing a permanent shape and/or such segments can also be employed as switching segments responsible for the fixation and release of the temporary shape. | 02-02-2012 |
| 20120190759 | KEYMAT AND SCREEN STRUCTURE AND METHOD OF ASSEMBLING - A module comprising a keymat and a screen cover. The module is adapted to be used in a device having a screen and at least one key. The module comprises a unitary body comprising said keymat and said screen cover. | 07-26-2012 |
| 20120208906 | Endless flexible members for imaging devices - Flexible members for use in imaging devices comprise a polyphenylsulfone and a polyetherimide; and optionally, a polysiloxane surfactant. | 08-16-2012 |
| 20120208907 | Endless flexible members for imaging devices - Flexible members for use in imaging devices comprise a polyamic acid and an internal release agent; and optionally, a polysiloxane surfactant. | 08-16-2012 |
| 20120283343 | ION EXCHANGE REGENERATION AND UPW TREATMENT SYSTEM - An improved process for regenerating ion exchange resin, includes a regeneration step of displacing captured ions from the resin to regenerate its ion-capture functionality, followed by one or more fluid-employing post-regeneration steps such as a fluid displacement or rinse, a fluid transporting or mixing, and a rinse down to quality. To avoid problems of early leakage of weakly held ions such as boron, the post-chemical or postdisplacement steps use water that is essentially free of boron, or otherwise avoid localized contamination in the regenerated resin which is used in bottles or beds ( | 11-08-2012 |
| 20130172433 | Polymers, Their Method of Manufacture and Use Thereof - A method for the manufacture of a polymer is provided, the method comprising: Providing a first monomer, the first monomer comprising a bicyclic diamine moiety, a first nucleophilic group provided on a carbon atom of an aromatic moiety, and a second nucleophilic group provided on a carbon atom of an aromatic moiety; Providing a bridging compound comprising at least two sites vulnerable to nucleophilic attack; and Contacting the first monomer with the bridging compound. Polymers made by said method and uses of such polymers are also disclosed. | 07-04-2013 |
| 20130253080 | METHOD FOR PREPARING A SULFONATED POLYARYLENE ETHER SULFONE COPOLYMER FOR FUEL CELLS - The present disclosure relates to a method for preparing sulfonated polyarylene ether sulfone copolymer used in fabricating an electrolyte polymer membrane which is core material, the method comprising: A) mixing monomers, 4,4′-dihydroxydiphenyl; bis(4-chlorophenyl)sulfone or bis(4-fluorophenyl)sulfone; and 3,3′-disulfonated-4,4′-chlorodiphenyl sulfone with K | 09-26-2013 |
| 20140107236 | CROSS-LINKED POLYPHOSPHONATE-SULFONE COMPOSITION FOR REMOVAL OF METAL IONS FROM WASTEWATER - The cross-linked polyphosphonate-sulfone composition for removal of metal ions from wastewater relates to a cross-linked anionic polyelectrolyte polymer for the removal of metal ions, such as lead (Pb | 04-17-2014 |
| 20140213671 | AROMATIC SULFONIC ACID DERIVATIVE, SULFONIC ACID GROUP-CONTAINING POLYMER, BLOCK CO-POLYMER, POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED BODY, AND SOLID POLYMER FUEL CELL - Provided are an aromatic sulfonic acid derivative and a sulfonic acid group-containing polymer, each of which has excellent proton conductivity even under low humidification conditions, while having excellent mechanical strength and chemical stability, and enables a solid polymer fuel cell to achieve high output and excellent physical durability when used therein. This aromatic sulfonic acid derivative has a specific structure and is characterized in that a sulfonic acid group is introduced into more than 50% of all the phenyl groups. This sulfonic acid group-containing polymer is characterized by being obtained by polymerization using the aromatic sulfonic acid derivative, and is also characterized by having a specific structure. | 07-31-2014 |
| 20140275300 | POLY(ARYLENE)-BASED ANION EXCHANGE POLYMER ELECTROLYTES - Poly(arylene) electrolytes including copolymers lacking ether groups in the polymer may be used as membranes and binders for electrocatalysts in preparation of anodes for electrochemical cells such as solid alkaline fuel cells. | 09-18-2014 |
| 20150018440 | TEMPERATURE-RESPONSIVE POLYMER PARTICLES IN PROTEIN SEPARATION APPLICATIONS - The present invention relates to a method for isolating proteins from a solution containing the proteins. The invention also relates to a method for the chromatographic separation of proteins. The present invention also relates to crosslinked hydroxylic polymer particles functionalized with temperature-responsive copolymer, and to methods of preparing such particles. | 01-15-2015 |
| 20150311557 | POLYMER, A METHOD OF PREPARING THE SAME, COMPOSITE PREPARED FROM THE POLYMER, AND ELECTRODE AND COMPOSITE MEMBRANE EACH INCLUDING THE POLYMER OR THE COMPOSITE - A polymer comprising a first repeating unit represented by Formula 1: | 10-29-2015 |
| 20150352542 | CONDUCTIVE POLYMER MATERIAL, METHOD FOR PRODUCING CONDUCTIVE POLYMER MATERIAL, AND IMAGE FORMING DEVICE MEMBER - A conductive polymer material which can achieve longer operating life by improving resistance stability at the time of performing continuous conduction, a method for producing the conductive polymer material, and an image forming device member are provided. A conductive polymer material containing a quaternary ammonium base incorporated in a main chain of a polymer material as an electrolyte cation, and an alkyl sulfate radical as an electrolyte anion. | 12-10-2015 |
| 20150380759 | AROMATIC SULFONIC ACID DERIVATIVE, SULFONIC ACID GROUP-CONTAINING POLYMER, BLOCK COPOLYMER, POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE FORM ARTICLE, AND POLYMER ELECTROLYTE FUEL CELL - Provided are an aromatic sulfonic acid derivative and a sulfonic acid group-containing polymer, each of which has excellent proton conductivity even under low humidification conditions, while having excellent mechanical strength and chemical stability, and enables a solid polymer fuel cell to achieve high output and excellent physical durability when used therein. This aromatic sulfonic acid derivative has a specific structure and is characterized in that a sulfonic acid group is introduced into more than 50% of all the phenyl groups. This sulfonic acid group-containing polymer is characterized by being obtained by polymerization using the aromatic sulfonic acid derivative, and is also characterized by having a specific structure. | 12-31-2015 |
