Patent application number | Description | Published |
20080287627 | Perfluoroelastomer compositions and methods of preparing same - The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a). | 11-20-2008 |
20090072143 | PYROELECTRIC INFRARED SENSOR - There is provided a pyroelectric infrared sensor being capable of changing its shape and having high sensitivity. The sensor comprises the substrate | 03-19-2009 |
20090086408 | Electrolytic Solution - There is provided an electrolytic solution comprising a fluorine-containing cyclic carbonate (I) represented by the formula (I): | 04-02-2009 |
20090124759 | CROSSLINKABLE COMPOSITION AND MOLDED ARTICLE MADE OF SAME - The present invention provides a crosslinkable composition being capable of providing a molded article and a sealing material for an oxygen sensor which have excellent long-term heat resistance and satisfactory compression set. Also there is provided a molded article and a sealing material for an oxygen sensor which have excellent long-term heat resistance and satisfactory compression set. The crosslinkable composition comprises (A) a compound having at least one specific crosslinkable reaction group and (B) a nonperfluoro fluorine-containing elastomer being crosslinkable with the compound (A). | 05-14-2009 |
20090134353 | Electrolytic Solution - There is provided an electrolytic solution comprising a chain carbonate (I) represented by the formula (I): | 05-28-2009 |
20090291364 | Electrolytic Solution - There is provided an electrolytic solution comprising a chain carbonate (I) represented by the formula (I): | 11-26-2009 |
20090306296 | CROSSLINKABLE POLYTETRAFLUOROETHYLENE COMPOSITION OF MATTER, POWDERED POLYTETRAFLUOROETHYLENE CROSSLINKED BODY, POLYTETRAFLUOROETHYLENE MOLDED BODY, RESIN BLEND COMPOSITION OF MATTER AND RESIN BLEND MOLDED BODY - The object of the present invention is to offer a PTFE resin that can be prepared by common molding methods such as compression molding and the like without the necessity for expensive equipment or hot coining methods or the like that are deleterious to productivity, and where harmful substances are not generated during manufacture, and convention strength, crystallinity and surface characteristics are preserved, and where there is neither anisotropy nor heterogeneity, and where the PTFE resin is more difficult to deform than is conventional PTFE resin. A crosslinkable polytetrafluoroethylene composition of matter contains polytetrafluoroethylene and a crosslinking agent. The polytetrafluoroethylene possesses at least one reactive functional group selected from the group consisting of cyano (—CN), carboxyl (—COOH), alkoxycarbonyl (—COOR (where R is a monovalent organic group)) and acid halide (—COX (where X is a halogen atom)) on at least one of the main chain and side chain terminal ends. The crosslinking agent reacts with one or a plurality of reactive functional groups and can form a cyclic structure. | 12-10-2009 |
20100033899 | ELECTRICAL DOUBLE LAYER CAPACITOR - The present invention provides an electrical double layer capacity comprising a non-aqueous electrolytic solution comprising (A) a solvent comprising a specific fluorine-containing cyclic carbonate and (B) an electrolyte salt comprising a cyclic quaternary onium salt comprising cyclic quaternary onium cation and PF | 02-11-2010 |
20100110609 | HIGHLY DIELECTRIC FILM HAVING HIGH WITHSTANDING VOLTAGE - The present invention relates to a highly dielectric film formed by using (A) a fluorine-containing resin comprising vinylidene fluoride unit and tetrafluoroethylene unit in a total amount of not less than 95% by mole, and provides a film for a film capacitor which has high dielectric property and high withstanding voltage and can be made thin. | 05-06-2010 |
20100130690 | METHOD FOR MOLDING POLYTETRAFLUOROETHYLENE, POLYTETRAFLUOROETHYLENE MOLDED BODY, CROSSLINKABLE POLYTETRAFLUOROETHYLENE, POWDERED POLYTETRAFLUOROETHYLENE CROSSLINKED BODY, RESIN BLEND COMPOSITION OF MATTER AND RESIN BLEND MOLDED BODY - A PTFE resin does not require the hot coining method and is more difficult to deform than conventional PTFE resins. A polytetrafluoroethylene molded body is obtained from a crosslinking polytetrafluoroethylene that possesses at least one type of reactive functional group selected from the group that comprises cyano group (—CN), a first functional group and a second functional group. The first functional group is represented by: | 05-27-2010 |
20110008682 | SOLVENT FOR NON-AQUEOUS ELECTROLYTIC SOLUTION OF LITHIUM SECONDARY BATTERY - There is provided a solvent for non-aqueous electrolytic solution of lithium secondary battery comprising a non-fluorine-containing cyclic carbonate (I), a non-fluorine-containing chain carbonate (II) and 1,2-dialkyl-1,2-difluoroethylene carbonate (III), wherein assuming that the total amount of (I), (II) and (III) is 100% by volume, the non-fluorine-containing cyclic carbonate (I) is contained in an amount of 10 to 50% by volume, the non-fluorine-containing chain carbonate (II) is contained in an amount of 49.9 to 89.9% by volume and the 1,2-dialkyl-1,2-difluoroethylene carbonate (III) is contained in an amount of not less than 0.1% by volume and less than 30% by volume. Also, there are provided a non-aqueous electrolytic solution comprising the mentioned solvent and a lithium secondary battery using the non-aqueous electrolytic solution. The solvent for non-aqueous electrolytic solution of lithium secondary battery provides a lithium secondary battery having specifically excellent discharge capacity, rate characteristic, cycle characteristic and safety. | 01-13-2011 |
20110255211 | HIGHLY DIELECTRIC FILM - There is provided a highly dielectric film which has high dielectric property, can be formed into a think film and is excellent in winding property (flexibility). The highly dielectric film comprises (A) a vinylidene fluoride polymer, (B) barium titanate oxide particles and/or lead zirconium titanate oxide particles, and (C) an affinity improving agent, wherein the barium titanate oxide particles and/or lead zirconium titanate oxide particles (B) and the affinity improving agent (C) are contained in amounts of 10 to 500 parts by mass and 0.01 to 30 parts by mass, respectively based on 100 parts by mass of the vinylidene fluoride polymer (A). | 10-20-2011 |
20110263795 | CROSSLINKABLE COMPOSITION AND MOLDED ARTICLE MADE OF SAME - The present invention provides a crosslinkable composition being capable of providing a molded article and a sealing material for an oxygen sensor which have excellent long-term heat resistance and satisfactory compression set. Also there is provided a molded article and a sealing material for an oxygen sensor which have excellent long-term heat resistance and satisfactory compression set. The crosslinkable composition comprises (A) a compound having at least one specific crosslinkable reaction group and (B) a nonperfluoro fluorine-containing elastomer being crosslinkable with the compound (A). | 10-27-2011 |
20120077089 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM PRIMARY CELL - The present invention provides a positive electrode active material for a lithium primary cell. The positive electrode active material can reduce the internal resistance of the positive electrode of a lithium primary cell and can maintain the load characteristics and the discharge voltage not only at high temperatures but also at low temperatures. The positive electrode active material includes a fluoride of a low crystalline carbon. | 03-29-2012 |
20120077090 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM PRIMARY CELL - The present invention provides a positive electrode active material for a lithium primary cell. The positive electrode active material can reduce the internal resistance of the positive electrode of a lithium primary cell and can maintain the load characteristics and the discharge voltage not only at high temperatures but also at low temperatures. The positive electrode active material includes a high-temperature treated fluoride produced by treating a fluoride of a carbon material at 200° C. to 400° C. | 03-29-2012 |
20120083629 | METHOD FOR PRODUCING FLUORINE-CONTAINING ETHER WITH HIGH PURITY - The present invention provides a method for efficiently producing a highly pure fluoroether containing remarkably low concentration of a fluorine-containing alkyl alcohol. The method is suited for scale-up and specifically includes performing countercurrent separation of a crude solution of fluoroether including a fluorine-containing alkyl alcohol as an impurity using water. | 04-05-2012 |
20120296047 | CROSSLINKABLE POLYTETRAFLUOROETHYLENE AND POLYTETRAFLUOROETHYLENE MOLDED BODY OBTAINED BY CROSS-LINKING REACTION OF THE CROSSLINKABLE POLYTETRAFLUOROETHYLENE - A crosslinkable polytetrafluoroethylene includes at least one type of reactive functional group selected from a group consisting of a cyano group (—CN) and a first functional group represented by | 11-22-2012 |