Abstract: Provided are a rubber composition, which is capable of providing excellent ozone resistance while suppressing discoloration, and a pneumatic tire using the same. The rubber composition includes a diene-based rubber, a filler, a phenylenediamine represented by the following formula (1) (wherein R1 and R2 are each an alkyl group or aryl group with 7 or more carbon atoms, provided that at least one of R1 and R2 is an alkyl group with 7 or more carbon atoms), and a quinoline-based antioxidant, and is free of N-phenyl-N?-isopropyl-p-phenylenediamine (IPPD) and N-phenyl-N?-(1,3-dimethylbutyl)-p-phenylenediamine (6PPD).

Abstract: Provided are a rubber composition, which is capable of providing excellent low heat generation properties, aging resistance, and ozone resistance, and a pneumatic tire using the same. The rubber composition includes a diene-based rubber, a filler, a phenylenediamine represented by the following formula (1) (wherein R1 and R2 are each an alkyl group or aryl group with 7 or more carbon atoms, provided that at least one of R1 and R2 is an alkyl group with 7 or more carbon atoms), a quinoline-based antioxidant, and N-cyclohexyl-2-benzothiazolylsulfenamide, in which silica is present in a proportion of 70 mass % or less based on the total filler amount, and the rubber composition is free of N-phenyl-N?-isopropyl-p-phenylenediamine (IPPD) and N-phenyl-N?-(1,3-dimethylbutyl)-p-phenylenediamine (6PPD).

Abstract: A flexible electronic device containing a polyimide film exhibiting excellent C-V characteristics. The polyimide film is a film that shows a maximum gradient of 0.005/V or more in a capacitance-voltage measurement of a laminate in which a polyimide film having a film thickness of 0.75 ?m is formed on a silicon wafer having a resistance value of 4 ?cm; the maximum gradient meaning a maximum value of an absolute value of a gradient in a normalized capacity-voltage curve during a third scan of forward direction scans; a capacity-voltage curve being measured by applying a direct current voltage is to the polyimide film with respect to the silicon wafer between a lowest voltage V1 and a highest voltage V2, and measuring capacitance while the direct current voltage is scanned in a forward direction and scanned in a negative direction; the normalized capacity-voltage curve being normalized so that the capacity at the lowest voltage V1 is 1.

Abstract: A flexible electronic device containing a polyimide film exhibiting excellent C-V characteristics. The polyimide film is a film that shows a maximum gradient of 0.005N or more in a capacitance-voltage measurement of a laminate in which a polyimide film having a film thickness of 0.75 ?m is formed on a silicon wafer having a resistance value of 4 ?cm; the maximum gradient meaning a maximum value of an absolute value of a gradient in a normalized capacity-voltage curve during a third scan of forward direction scans; a capacity-voltage curve being measured by applying a direct current voltage is to the polyimide film with respect to the silicon wafer between a lowest voltage V1 and a highest voltage V2, and measuring capacitance while the direct current voltage is scanned in a forward direction and scanned in a negative direction; the normalized capacity-voltage curve is being normalized so that the capacity at the lowest voltage V1 is 1.

Abstract: A polyimide precursor resin composition for forming a flexible device substrate, including a polyamic acid having a structure obtained from a tetracarboxylic acid component including at least one of 3,3?,4,4?-biphenyltetracarboxylic dianhydride and pyromellitic dianhydride, a diamine component including at least one of paraphenylene diamine and 4,4?-diaminodiphenyl ether, and a carboxylic acid monoanhydride, the polyamic acid satisfying equations (1) and (2) below: 0.97?X/Y<1.00??Equation (1) 0.5?(Z/2)/(Y?X)?1.05??Equation (2) in which X represents a number of moles of tetracarboxylic acid component, Y represents a number of moles of diamine component, and Z represents a number of moles of the carboxylic acid monoanhydride.

Abstract: An organic electroluminescent element having at least one organic layer including a light emitting layer sandwiched between a positive electrode and a negative electrode, which is characterized in that at least one organic layer contains an organometallic complex represented by General Formula (2).

Abstract: One objective of the present invention is to provide an organic EL element which is suppressed in change in the resistance of a light emitting layer after passing a current therethrough for a long period of time, thereby having good emission spectrum chromaticity, and which is suppressed in change in the emission characteristics over time. Another objective of the present invention is to provide a lighting device and a display device, each of which uses the organic EL element. An organic electroluminescent element of the present invention is provided with a pair of electrodes and one or more organic layers that are arranged between the pair of electrodes, and is characterized in that one or more layers among the organic layers contain a compound that has a structure represented by general formula (1).

Abstract: An oxygen adsorbent which can be manufactured at a low cost, and an oxygen manufacturing equipment and an oxygen manufacturing method which are capable of producing oxygen-enriched gas at a low cost by using the oxygen adsorbent are provided. The oxygen adsorbent comprises at least an oxide of a perovskite structure. The oxide is represented by a compositional formula of Sr1?xCaxFeO3??, wherein 0.12?x?0.40, 0???0.5. Since this oxide does not include La and Co included in a conventional oxygen adsorbent, it can be manufactured at a low cost.

Abstract: A material for an organic electroluminescent element contains a compound represented by Formula (1): where R1 to R3 independently represent a group such as a deuterium atom and a halogen atom; at least one of R1 to R3 is a group represented by Formula (2); if pluralities of R1 to R3 are present, these substituents may be the same or different or may be bonded to each other to form a ring; n1 represents an integer of 0 to 8; n2 represents an integer of 0 to 3; n3 represents an integer of 0 to 4; n1+n2+n3 is 1 or more; Cbz represents a carbazolyl group; X represents an oxygen atom or a sulfur atom; and L1 represents a single bond or a divalent linking group.

Abstract: An oxygen adsorbent which can be manufactured at a low cost, and an oxygen manufacturing equipment and an oxygen manufacturing method which are capable of producing oxygen-enriched gas at a low cost by using the oxygen adsorbent are provided. The oxygen adsorbent comprises at least an oxide of a perovskite structure. The oxide is represented by a compositional formula of Sr1?xCaxFeO3??, wherein 0.12?x?0.40, 0???0.5 Since this oxide does not include La and Co included in a conventional oxygen adsorbent, it can be manufactured at a low cost.

Abstract: One objective of the present invention is to provide an organic EL element which is suppressed in change in the resistance of a light emitting layer after passing a current therethrough for a long period of time, thereby having good emission spectrum chromaticity, and which is suppressed in change in the emission characteristics over time. Another objective of the present invention is to provide a lighting device and a display device, each of which uses the organic EL element. An organic electroluminescent element of the present invention is provided with a pair of electrodes and one or more organic layers that are arranged between the pair of electrodes, and is characterized in that one or more layers among the organic layers contain a compound that has a structure represented by general formula (1).

Abstract: A material for organic electroluminescent elements includes a structure represented by General Formula (1). In General Formula (1), a ring ? and a ring ? respectively represent aromatic heterocyclic groups each derived from pyrrole, furan, thiophene, pyrazole, 1,2,3-triazole, 1,2,4-triazole, tetrazole, oxazole, isoxazole, oxadiazole, thiazole, isothiazole or thiadiazole, and are linked with each other through arbitrary positions; R represents a hydrogen atom or a substituent substituted at an arbitrary position of at least one of the ring ? and the ring ?; and n represents an integer of 1 to 8.

Abstract: The gas separation device includes an adsorption tower having at least one part thereof exposed to an atmosphere at a higher or lower temperature than normal temperature, a mixed gas feed unit, an adsorbent provided inside the adsorption tower to adsorb a matter contained in a mixed gas upon contact with the mixed gas in a prescribed pressure and temperature environment, and separate the matter from the mixed gas, a separated gas discharge unit that discharges a separated gas from the adsorption tower, and an adsorbed gas discharge unit that discharges from the adsorption tower the adsorbed gas which is adsorbed by the adsorbent. Heat reserving elements are arranged in the adsorption tower at positions upstream and downstream of the adsorbent in the mixed gas supply direction respectively such that the mixed gas, separated gas, and adsorbed gas flow through the heat reserving elements.

Abstract: A material for an organic electroluminescent element contains a compound represented by Formula (1): where R1 to R3 independently represent a group such as a deuterium atom and a halogen atom; at least one of R1 to R3 is a group represented by Formula (2); if pluralities of R1 to R3 are present, these substituents may be the same or different or may be bonded to each other to form a ring; n1 represents an integer of 0 to 8; n2 represents an integer of 0 to 3; n3 represents an integer of 0 to 4; n1+n2+n3 is 1 or more; Cbz represents a carbazolyl group; X represents an oxygen atom or a sulfur atom; and L1 represents a single bond or a divalent linking group.

Abstract: A simple and inexpensive gas separation device is provided.

Abstract: An organic electroluminescent element having at least one organic layer including a light emitting layer sandwiched between a positive electrode and a negative electrode, which is characterized in that at least one organic layer contains an organometallic complex represented by General Formula (1).

Abstract: A gas separation device having a simple structure and reducing the cost incurred in gas separation. The gas separation device (100) includes an adsorption tower (110) having at least one part thereof exposed to an atmosphere at a higher or lower temperature than normal temperature, a mixed gas feed unit (120), an adsorbent (130) provided inside the adsorption tower to adsorb a matter contained in a mixed gas upon contact with the mixed gas in a prescribed pressure and temperature environment, and separate the matter from the mixed gas, a separated gas discharge unit (140) that discharges a separated gas from the adsorption tower, and an adsorbed gas discharge unit (150) that reduces the pressure inside the adsorption tower and discharges from the adsorption tower the adsorption gas which is adsorbed by the adsorption agent.

Abstract: A simple and inexpensive gas separation device is provided.

Abstract: A thermosetting solution composition composed of a biphenyltetracarboxylic acid compound containing a partial lower aliphatic alkyl ester of 2,3,3?,4?-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2?,3,3?-biphenyltetracarboylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg.

Abstract: Provided is a transparent electrode containing a transparent substrate having thereon a transparent conductive layer containing a conductive fiber, a conductive polymer and a water soluble binder resin, wherein the water soluble binder resin contains a low molecular weight component in an amount of 0 to 5 weight % based on a weight of the water soluble binder resin, provided that the low molecular weight component has a number average molecular weight of 1,000 or less measured by GPC.