Abstract: Provided is an epoxy resin composition and a fiber-reinforced composite material using the epoxy resin composition, where the epoxy resin composition is capable of maintaining a low viscosity while being injected into a reinforcing fiber substrate and is also capable of imparting to a fiber-reinforced composite material high-level physical properties required for use as a structural material even in cases where the temperature increase rate during thermal curing is low, where the epoxy resin composition contains [A] tetraglycidyl diaminodiphenylmethanein an amount of not less than 70% by mass and not more than 90% by mass of total epoxy resin components taken as 100% by mass, [B] a bisphenol F-type epoxy resin in an amount of not less than 10% by mass and not more than 30% by mass by mass of total epoxy resin components taken as 100% by mass, [C] 4,4?-methylenebis(3-chloro-2,6-diethylaniline), and [D] 4,4?-methylenebis(3,3?,5,5?-tetraisopropylaniline).

Abstract: A fiber-reinforced plastic molded body includes: a laminated body having a configuration of laminating a sandwich structure member obtained by laminating one layer or two or more layers of a unidirectional fiber-reinforced resin constituted from a unidirectional continuous fiber and a matrix resin on both surfaces of a core layer and one layer or two or more layers of a woven fiber-reinforced resin constituted from a woven fiber and a matrix resin such that the one layer or two or more layers of a woven fiber-reinforced resin are disposed on the design surface side of the unidirectional fiber-reinforced resin; and the resin member is not substantially exposed in a projection plane from the woven fiber-reinforced resin side.

Abstract: The present invention addresses the problem of providing a photosensitive resin composition which exhibits good imidization rate even in cases where the photosensitive resin composition is fired at a temperature of 200° C. or less, while having high pattern processability, and a cured film of which exhibits high long-term reliability if used in an organic EL display device. In order to solve the above-described problem, a photosensitive resin composition according to the present invention contains (a) a polyimide precursor, (b) a phenolic compound having an electron-withdrawing group and (c) a photosensitive compound; and the polyimide precursor (a) has a residue which is derived from a diamine that has an ionization potential of less than 7.1 eV.

Abstract: Provided are methods for producing a fiber-reinforced plastic having high mechanical properties and high productivity during molding of a complicated shape. In one aspect, the method produces a fiber-reinforced plastic using a tape substrate A and a sheet substrate B, the tape substrate A being a tape-shaped substrate including one or more sheets of incised prepreg a; the incised prepreg a being a prepreg including unidirectionally oriented reinforcing fibers and a resin and having a plurality of incisions dividing the reinforcing fibers formed in the prepreg, and satisfying the following condition 1; the sheet substrate B being a substrate including randomly oriented reinforcing fibers and a resin.

Abstract: A light-emitting device is described that includes a plurality of partially drivable light sources, and a color conversion component configured to convert at least part of incident light from at least part of the light sources and emit outgoing light falling in a different wavelength region from the incident light, where the color conversion component includes a pyrromethene derivative.

Abstract: A synthetic leather has high flame retardance in addition to excellent mechanical strength and durability, which may yield a covered article having an excellent texture, and a covered article which has been covered with the synthetic leather. The covered article includes a synthetic leather and a covered article covered with the synthetic leather, the synthetic leather having a fiber base material layer including a non-woven fabric containing: a non-melting fiber A having a high-temperature shrinkage rate of 3% or less, and a thermal conductivity, conforming to ISO22007-3 (2008), of 0.060 W/m·K or less; and a thermoplastic fiber B having an LOI value, conforming to JIS K 7201-2 (2007), of 25 or more.

Abstract: A composite semipermeable membrane, including: a microporous support layer; and a separation functional layer provided on the microporous support layer, in which the separation functional layer includes a crosslinked wholly aromatic polyamide which is a polycondensation product of a polyfunctional aromatic amine and a polyfunctional aromatic acid chloride and contains amino groups and carboxyl groups, and in positive secondary ions measured on a surface of the separation functional layer by time-of-flight secondary ion mass spectrometry, when (count number of m/z=104.03)/(count number of m/z=108.06) is denoted by a, and a molar ratio (carboxyl group/amino group) of the carboxyl group to the amino group, which is obtained by analyzing the entire separation functional layer by 13C solid state NMR, is denoted by b, the following formulae (1) and (2) are satisfied: a?5.0 (1); and a/b?4.3 (2).

Abstract: This invention relates to a flame retardant epoxy resin composition which includes an epoxy resin structure having an epoxy functionality of 2 or more with a measured total heat release value of not more than 23 kJ/g as well as an organic phosphinic acid structure (in reacted or unreacted form), as well as a prepreg, and a fiber reinforced composite material prepared using the epoxy resin composition. More specifically, an epoxy resin composition is provided that contains a combination of particular types of epoxy resins and curatives that provide sufficient flame retardance when cured at 163° C. for 15 minutes. The epoxy resin systems are also suitable for preparing a fiber-reinforced composite material that will also provide sufficient flame retardance for a variety of applications.

Abstract: Disclosed is a kit or a device for the detection of stomach cancer and a method for detecting stomach cancer, and provides a kit or a device for the detection of stomach cancer, including a nucleic acid(s) capable of specifically binding to a miRNA(s) in a sample from a subject, and a method for detecting stomach cancer, including measuring the miRNA(s) in vitro.

Abstract: A graphene dispersion liquid containing graphene and a solvent, wherein the graphene has an average thickness of 0.3 nm or more and 10 nm or less, wherein the solvent has a solubility parameter ? of 18 MPa0.5 or more and 28 MPa0.5 or less, and wherein the graphene dispersion liquid has a viscosity of 10,000 mPa·s or less at a graphene concentration adjusted to 3 weight %, at a shear rate of 10 sec?1, and at a temperature of 25° C. Provided are: a graphene dispersion liquid that has excellent fluidity and dispersibility, and affords a coating film having excellent coating film uniformity; and a positive electrode paste that makes it possible to enhance the coating film uniformity and the battery life by virtue of the graphene dispersion liquid.

Abstract: The present invention addresses the problem of providing a laminated polyester film that has high reusability and is suitable for processing during a post process. This laminated polyester film comprises a polyester film and a layer X that satisfies the following conditions. Condition 1: 20??XP?45 Condition 2: 3.0??XH?10?XP (mN/m): Polar component of the surface free energy of the layer X ?XH (mN/m): Hydrogen bond component of the surface free energy of the layer X.

Abstract: The invention aims to provide a tape-shaped prepreg including unidirectionally oriented reinforcing fibers and a thermoplastic resin composition and being high in handleability during molding and high in adhesiveness to other members. The tape-shaped prepreg includes unidirectionally oriented reinforcing fibers and a thermoplastic resin composition and has an arithmetic average roughness (Ra) of 0.

Abstract: Provided is a thermoplastic polyester resin composition comprising 100 parts by weight of (A) a non-liquid crystal thermoplastic polyester resin, 45 to 150 parts by weight of (B) a thermoplastic resin that is different from the non-liquid crystal thermoplastic polyester resin and has a dielectric loss tangent of not more than 0.005 when measured at a frequency of 5.8 GHz by the cavity resonance perturbation method, 2 to 20 parts by weight of (C) a compatibilizer having at least one reactive functional group selected from epoxy, acid anhydride, oxazoline, isocyanate, and carbodiimide groups, and 0.2 to 5 parts by weight of (D) at least one compound selected from tertiary amines, amidine compounds, organic phosphines and salts thereof, imidazoles, and boron compounds, wherein the ratio of the sum of the thermoplastic resin (B) and the compatibilizer (C) is in the range of 50 to 150 parts by weight and the weight ratio (B)/(C) of the thermoplastic resin (B) to the compatibilizer (C) is in the range of 8 to 50.

Abstract: A cerium oxide nanoparticle whose surface is covered with a vinyl polymer has a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole or with a polyamide having a heterocyclic amine skeleton such as piperazine, pyridine, imidazole, or carbazole; and a decomposition method of a nucleic acid or a polypeptide by using the cerium oxide nanoparticle.

Abstract: The present invention provides a photosensitive composition which can suppress the generation of a development residue on the surface of an electrode and the corrosion of the electrode to form a black pixel division layer, and also can suppress the generation of off-pixel in an organic EL display device comprising the pixel division layer. Disclosed is a photosensitive composition comprising (a) a pigment, (b) a resin having two or more tertiary amino groups in the molecule, and (c) a photosensitive agent, wherein the component (b) contains a resin having a structure represented by the general formula (1).

Abstract: A prepreg having high processability and laminating performance and a method to produce such a prepreg is described, the prepreg comprising at least the components [A] to [E] shown below, and having a structure incorporating a first layer composed mainly of the component [A] and a first epoxy resin composition that contains the components [B] to [D] but which is substantially free of the component [E], and a second layer composed mainly of a second epoxy resin composition that contains the components [B] to [E], [A] carbon fiber, [B] epoxy resin, [C] curing agent, [D] thermoplastic resin, and [E] particles containing a thermoplastic resin as primary component and having a volume-average particle diameter of 5 to 50 ?m.

Abstract: An object of the present invention is to provide a molding film having excellent moldability during molding processing, in which the molding film includes a resin layer (X layer) on at least one surface of a polyester film, and the polyester film has a composition in which a layer (A layer) containing a thermoplastic resin A as a main component and a layer (B layer) containing a thermoplastic resin B different from the thermoplastic resin A as a main component are alternately laminated in a thickness direction in a total of 51 or more layers.

Abstract: This invention relates to a flame retardant fiber-reinforced composite material based on an epoxy resin composition which includes at least one epoxy resin having an epoxy functionality of at least 2 as well as at least one organic phosphinic acid or derivative thereof (e.g., an organic phosphinic acid-modified epoxy resin), reinforced with a fiber having a thermal conductivity?3 W/m·K at room temperature, as well as a prepreg for making such a flame retardant fiber-reinforced composite material. More specifically, a composite material is provided that contains a combination of particular types of epoxy resins, curatives, and reinforcing fibers that provide sufficient flame retardance for thin-ply laminates when cured at 163° C. for 15 minutes. These cured composites are also suitable for a variety of applications requiring flame retardancy.

Abstract: It is intended to provide a kit or a device for the detection of breast cancer and a method for detecting breast cancer. The present invention provides a kit or a device for the detection of breast cancer, comprising nucleic acid(s) capable of specifically binding to a miRNA in a sample of a subject, and a method for detecting breast cancer, comprising measuring the miRNA in vitro.

Abstract: A synthetic leather has excellent flame retardance and an article covered with the synthetic. The synthetic leather includes a fiber base material layer formed of a non-woven fabric sheet, wherein the non-woven fabric sheet includes at least one flameproof layer formed of a web including a non-melting fiber A having a high-temperature shrinkage rate of 3% or less and a thermal conductivity, conforming to ISO22007-3 (2008), of 0.060 W/m·K or less and is formed by bonding the flameproof layer to a scrim layer including a carbonized heat-resistant fiber B having an LOI value, conforming to JIS K 7201-2 (2007), of 25 or more, and a resin layer is laminated on a surface of the scrim layer, and a covered article covered with the synthetic leather.