Abstract: A polyamide acid which contains at least one diamine compound selected from among diamine compounds represented by general formula (8) within the range of 3-60 parts by mole in total per 100 parts by mole of all diamine components, while containing a biphenyl tetracarboxylic acid dianhydride within the range of 40-100 parts by mole and a pyromellitic acid dianhydride within the range of 0-60 parts by mole per 100 parts by mole of all acid anhydride components; and a thermoplastic polyimide which is obtained curing this polyamide acid. (In formula (8), linking group X represents a single bond or a divalent group selected from among —CONH—; each Y independently represents a hydrogen atom, a monovalent hydrocarbon group having 1-3 carbon atoms or an alkoxy group; n represents an integer of 0-2; and each of p and q independently represents an integer of 0-4.

Abstract: Provided is an organic EL element which is low voltage and has practical use utility while exhibiting high light emission efficiency and drive stability. Thus, an organic electroluminescent element obtained by layering a positive electrode, an organic layer and a negative electrode on a substrate, wherein at least one layer among the organic layers contains (i) a carbazole compound represented by general formula (1), and (ii) a carborane compound having one or more divalent carborane compounds and an aromatic group substituted for a carborane compound. Herein, L1 is an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group configured by linking 2-6 of said aromatic rings, p is an integer of 1-3, and m is an integer of 2-4.

Abstract: Provided is an organic electroluminescence device (organic EL device) that is driven at a low voltage, exhibits high luminous efficiency and has a long service life. The organic EL device contains one or more light emitting layers and one or more electron transport layers between opposing anode and cathode, wherein at least one of the electron transport layers contains a an indolocarbazole compound represented by general formula (1) below and an electron donor. In the formula, ring A represents an aromatic hydrocarbon ring represented by formula (1a), ring B represents a heterocyclic ring represented by formula (1b), L represents a single bond or aromatic hydrocarbon group, X represents N or C—Ar1 and at least one of X represents N, and Y and Ar1 represent a hydrogen atom, aromatic hydrocarbon group or aromatic heterocyclic group.

Abstract: Provided is an organic EL device that exhibits high luminous efficiency and has high stability when driven despite having low voltage. The organic electroluminescent device is obtained by laminating an anode, organic layers and a cathode on a substrate, wherein at least one of the organic layers contains (i) a compound represented by chemical formula (1) below, and (ii) a carborane compound having one or more divalent carborane groups and an aromatic group substituted for the carborane group. In the formulas, X1 and X2 represent NR1, PR2, O, S, Se, CR3R4 or SiR5R6 and Y represents a single bond or aromatic group.

Abstract: Provided is a resin composition to be suitably used as the matrix resin of a fiber-reinforced composite material excellent in fatigue resistance. In the resin composition for a fiber-reinforced composite material, 50 mass % or more of an epoxy resin (A) includes a phenol novolac-type epoxy resin containing a compound represented by the following general formula (1) and a compound represented by the following general formula (2), and in gel permeation chromatography measurement, the phenol novolac-type epoxy resin contains a body corresponding to m=0 at a ratio of 75% by area or more and a body corresponding to m=1 at a ratio of 6% by area or less.

Abstract: Provided are a polymer for an organic electroluminescent element, which has improved luminous efficiency and is applicable to a wet process, and an organic electroluminescent element obtained therefrom. The polymer for an organic electroluminescent element has a repeating unit represented by [—(Z)l-(A)m-]n in repeating units constituting a main chain. In addition, the organic electroluminescent element includes, between an anode and a cathode laminated on a substrate, organic layers including a hole-transporting layer and a light-emitting layer, in which at least one of the organic layers contains the polymer for an organic electroluminescent element. In the repeating unit, Z represents an N-indolocarbazolyl group, A represents a repeating unit different from Z, l and m each represent an abundance molar ratio, and l is 5 to 100 mol % and m is 0 to 95 mol %, and n is 2 to 10,000.

Abstract: Provided is an organic electroluminescence (organic EL) element having high luminescent efficiency and long lifetime with low driving voltage. An organic EL element including a light emitting layer between an anode and a cathode opposing each other, wherein the light emitting layer contains: a host material containing a first host and a second host; and a luminescence dopant material, the first host is a tetracyclic condensed aromatic heterocyclic compound that is represented by the following general formula (1) and contains, as heteroatoms, two N atoms or one N atom and one O or S atom, and the second host is a carbazole compound that is represented by the following general formula (2) and has, as a substituent, a tricyclic condensed aromatic heterocycle containing, as a heteroatom, one N, O or S atom.

Abstract: The present invention is to provide a carbon powder that can provide a catalyst having excellent durability and a catalyst. A carbon powder for catalyst of the present invention is a carbon powder containing as a main component carbon, which has a BET specific surface area per unit weight of 900 m2/g or greater, and a ratio R? (D?/G intensity ratio) of peak intensity for a D?-band (D? intensity) measured in the vicinity of 1620 cm?1 to peak intensity for a G-band (G intensity) measured in the vicinity of 1580 cm?1 by Raman spectroscopy of 0.6 or less.

Abstract: A support carbon material able to support a catalyst metal in a highly dispersed state and resistant to the flooding phenomenon and with little voltage drop even at the time of large current power generation under high humidity conditions and a catalyst using the same, specifically, a support carbon material for solid polymer type fuel cell use comprised of a porous carbon material which has a pore volume and a pore area found by the BJH analysis method from a nitrogen adsorption isotherm in an adsorption process of a radius 2 nm to 50 nm pore volume VA of 1 ml/g to 5 ml/g and a radius 2 nm to 50 nm pore area S2-50 of 300 m2/g to 1500 m2/g and a ratio (V5-25/VA) of radius 5 nm to 25 nm pore volume V5-25 (ml/g) to said pore volume VA (ml/g) of 0.4 to 0.7 and a ratio (V2-5/VA) of radius 2 nm to 5 nm pore volume V2-5 (ml/g) to the same of 0.2 to 0.5 and a catalyst using the same.

Abstract: Provided are: a supporting carbon material for a solid polymer fuel cell, said supporting carbon material making it possible to produce a high-performance solid polymer fuel cell in which there is little decrease in power generation performance as a result of repeated battery load fluctuation that inevitably occurs during operation of the solid polymer fuel cell; and a catalyst metal particle-supporting carbon material. The present invention relates to: a supporting carbon material for a solid polymer fuel cell, said supporting carbon material being a porous carbon material in which the specific surface area of mesopores having a pore diameter of 2-50 nm according to nitrogen adsorption measurement is 600-1,600 m2/g, the relative intensity ratio (IG?/IG) of the peak intensity (IG?) of the G-band 2,650-2,700 cm?1 range to the peak intensity (IG) of the G-band 1,550-1,650 cm?1 range in the Raman spectrum is 0.8-2.

Abstract: A resin film, in which at least one of polyimide layers is a non-thermoplastic polyimide layer having a linear thermal expansion coefficient of 1×10?6 to 30×10?6 (1/K), is shown. The non-thermoplastic polyimide layer is composed of a polyimide which is produced by reacting an anhydride component containing an aromatic tetracarboxylic anhydride with a diamine component, wherein the diamine component contains both a dimer acid-type diamine produced by replacing each of two terminal carboxyl groups in a dimer acid with a primary aminomethyl or amino group and an aromatic diamine, and the dimer acid-type diamine is contained in an amount of 1 to 15 mol % relative to the whole diamine component.

Abstract: Provided is an organic electroluminescent device having high efficiency and high driving stability while being driven at a low voltage. The organic electroluminescent device is an organic electroluminescent device including a light-emitting layer between an anode and a cathode opposite to each other, in which: the light-emitting layer contains two kinds of host materials and a light-emitting dopant; and a first host material (H1) out of the two kinds of host materials is an indolocarbazole-based compound having one or two indolocarbazole rings, and a second host material (H2) out of the materials is a host material selected from carbazole-based compounds each represented by the general formula (3), the compounds each having a structure in which two carbazole rings are bonded through a six-membered aromatic ring.

Abstract: This resin-platinum composite 100 is provided with resin particles 10 and platinum particles 20, and the platinum particles 20 are immobilized on the resin particles 10. In the resin-platinum composite 100, one portion of the platinum particles 20 may be distributed three-dimensionally on surface layer sections 60 of the resin particles 10. In this case, the one portion of the three-dimensionally distributed platinum particles 20 may be partially exposed outside the resin particles 10, and the remaining portion may be enclosed in the resin particles 10. In the platinum particles 20, enclosed particles 30 that are fully enclosed in the resin particles 10, partially exposed particles 40 each having a segment embedded inside the resin particles 10 and a segment exposed outside the resin particles 10, and surface attached particles 50 attached to the surfaces of the resin particles 10 preferably exist.

Abstract: Provided are an organic semiconductor material having a high charge mobility, oxidation stability, and solvent solubility, an organic semiconductor device using the same, and a novel aromatic heterocyclic compound to be used for the same and a production method therefor. The aromatic heterocyclic compound is represented by the following general formula (1), has two heteroatoms, and has a structure in which six rings are fused. In the formula, X represents an oxygen atom or N—R, and R represents hydrogen or a monovalent substituent. The organic semiconductor material contains the aromatic heterocyclic compound, and is used for an organic semiconductor film or an organic device, such as an organic thin-film transistor or an organic photovoltaic device.

Abstract: Provided are a supporting carbon material for a solid polymer fuel cell and a metal-catalyst-particle-supporting carbon material that, when used as a carrier for a solid polymer fuel cell catalyst, have excellent power generation performance in high-humidity conditions, which are conditions in which solid polymer fuel cells are operated. A supporting carbon material for a solid polymer fuel cell and a metal-catalyst-particle-supporting carbon material characterized in being a porous carbon material, the hydrogen content being 0.004-0.010% by mass, the nitrogen adsorption BET specific surface area being 600 m2/g-1500 m2/g, and the relative intensity ratio (ID/IG) between the peak intensity (ID) in the range of 1200-1400 cm?1 known as the D-band and the peak intensity (IG) in the range of 1500-1700 cm?1 known as the G-band, obtained from the Raman spectrum, being 1.0-2.0.

Abstract: A fuel cell electrode catalyst includes a carbon support having pores, and catalyst particles supported on the carbon support and containing platinum or a platinum alloy. The pores of the fuel cell electrode catalyst have a mode pore size within a range from 2 nm to 5 nm. In the pores of the fuel cell electrode catalyst, a pore volume of pores having pore sizes within the range from 2 nm to 5 nm is 0.4 cm3/g or larger. The catalyst particles have a crystallite size within the range from 2 nm to 5 nm at a platinum (220) plane. A density of the supported catalyst particles is within a range from 10% by mass to 50% by mass with respect to a total mass of the fuel cell electrode catalyst.

Abstract: Provided is an organic electroluminescent device (EL device) using an indolocarbazole compound. The organic EL device is obtained by laminating an anode, a plurality of organic layers including a phosphorescent light-emitting layer, and a cathode on a substrate, and the phosphorescent light-emitting layer, a hole-transporting layer, an electron-transporting layer, a hole-blocking layer, or an electron-blocking layer contains an indolocarbazole compound represented by the general formula (1).

Abstract: Provided are an organic electroluminescent device (organic EL device) that is improved in luminous efficacy, sufficiently secures driving stability, and has a simple construction, and a material for organic EL devices to be used in the organic EL device. The material for organic EL devices is a material for organic EL devices formed of an ortho-carborane compound having a structure in which a silyl group (—SiR3) is bonded to a divalent ortho-carborane group represented by C2B10H10 through an aromatic group. In addition, the organic electroluminescent device is an organic electroluminescent device having a structure in which an anode, an organic layer, and a cathode are laminated on a substrate, the device having an organic layer containing the ortho-carborane compound, and the organic layer being a light-emitting layer, an electron-transporting layer, a hole-blocking layer, or an exciton-blocking layer.

Abstract: Provided are an electrode for fuel cell including a support with improved durability and capable of suppressing poisoning of catalyst particles by ionomer, and a method for manufacturing the same. The method at least includes: performing heat treatment of a support made of mesoporous carbon having a crystallite diameter Lc at 002 plane that is 1.5 nm or less, at 1,700° C. or more and less than 2,300° C.; supporting catalyst particles at least inside of the support subjected to the heat treatment; and applying ionomer to the support supporting the catalyst particles for coating.

Abstract: An organic metal complex represented by the following general formula is useful as a light emitting material for an organic electroluminescent device and others. X represents O, S or —N(R7)—; Y represents O, S or —N(—SO2—R8)—; R1 to R8 represent H, an alkyl group or an aryl group; at least one of Z1 and Z2 represents a phenoxazin-10-yl group, a phenothiazin-10-yl group, a phenazin-10-yl group, etc.