Abstract: Provided is a method of measuring a degree of degradation/alteration of a lubricating oil, including obtaining dielectric constants or electrostatic capacitances at two or more different frequencies and determining a degradation/alteration state of the lubricating oil based on values of the dielectric constants or the electrostatic capacitances, in which one frequency (H1) of the two or more frequencies is in a range of 1 to 100 Hz, and another frequency (H2) is more than the frequency (H1) and in a range of 10,000 Hz or less. Accordingly, it is possible to provide a method of measuring a degree of degradation/alteration of a lubricating oil and a measuring device therefor, which are capable of measuring a degree of degradation of the lubricating oil easily and precisely and predicting a degradation/alteration mechanism of the lubricating oil.

Abstract: Provided is a detergent-dispersant for a lubricant having excellent detergency and dispersibility effects. Specifically provided are: a detergent-dispersant including a heterocyclic compound having a heterocyclic skeleton derived from a compound selected from the group consisting of pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes; and an additive composition for a lubricant and a lubricant composition, each containing the detergent-dispersant.

Abstract: Disclosed is a light-emitting material for organic electroluminescent (EL) devices which is composed of an asymmetric anthracene derivative of a specific structure. Also disclosed are a material for organic EL devices and an organic EL device wherein an organic thin film layer composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. At least one layer composed of the organic thin film layer contains the material for organic EL devices by itself or as a component of a mixture. Consequently, the organic EL device has a high efficiency and a long life. Also disclosed are a light-emitting material for organic EL devices and material for organic devices which enable to realize such an organic EL device.

Abstract: Provided is a detergent-dispersant for a lubricant having excellent detergency and dispersibility effects. Specifically provided are: a detergent-dispersant including a heterocyclic compound having a heterocyclic skeleton derived from a compound selected from the group consisting of pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes; and an additive composition for a lubricant and a lubricant composition, each containing the detergent-dispersant.

Abstract: Provided is a lubricating oil composition for round die rolling, which is obtained by blending a base oil with: (A) 0.5 to 40 mass % of a monoester having 13 to 48 carbon atoms (a-1) and/or 0.5 to 30 mass % of a fatty dicarboxylate having 13 to 34 carbon atoms (a-2) ; (B) 0.01 to 10 mass % of a thiadiazole compound; (C) 0.01 to 15 mass % of a thiophosphite; and (D) 0.01 to 5 mass % of a triazole compound. The lubricating oil composition for round die rolling shows excellent processing performance without using any chlorine-based compound, and is able to improve lubricity in a bearing to lengthen the life of the bearing.

Abstract: The present invention provides a method for producing a polycarbonate-polyorganosiloxane copolymer economically and stably, in particular, the present invention is concerned with a method for continuous production of a polycarbonate-polyorganosiloxane copolymer including (A) a step of withdrawing a polymerization reaction solution obtained by polymerizing a dihydric phenol compound, a carbonate precursor, and a polyorganosiloxane in the presence of an alkaline compound aqueous solution and a water-insoluble organic solvent continuously or intermittently from a reactor; (B) a step of separating the polymerization reaction solution withdrawn in the step (A) into an aqueous phase and a water-insoluble organic solvent phase; and (C) a step of after washing the water-insoluble organic solvent phase separated in the step (B) with an acidic aqueous solution, separating the resultant into an aqueous phase and a water-insoluble organic solvent phase, wherein the aqueous phase separated in the step (C) is extracted wit

Abstract: An organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer comprising a light emitting layer and disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises an anthracene derivative having a specific structure singly or as a component of a mixture, and an anthracene derivative having a specific asymmetric structure and providing an organic electroluminescence device exhibiting a great efficiency of light emission and having a long life, are provided.

Abstract: A biodegradable lubricating oil composition of the invention includes a component (A) that is an ester obtained by reacting a linear saturated aliphatic carboxylic acid and a linear aliphatic dicarboxylic acid with a polyhydric alcohol, a component (B) that is an ester obtained by reacting a linear saturated aliphatic carboxylic acid with a polyhydric alcohol, and a component (C) that is a phosphate amine salt obtained by reacting an acidic phosphate with an alkylamine, in which the linear saturated aliphatic carboxylic acid of the component (A) is formed of a linear saturated aliphatic carboxylic acid having 8 carbon atoms and a linear saturated aliphatic carboxylic acid having 10 carbon atoms, and a molar amount of the linear saturated aliphatic carboxylic acid having 8 carbon atoms is larger than a molar amount of the linear saturated aliphatic carboxylic acid having 10 carbon atoms.

Abstract: A bacterial toxin protein such as a Shiga toxin protein is efficiently produced using plant cells. The plant cells are transformed using a DNA construct containing DNA encoding a hybrid protein in which the bacterial toxin proteins such as the Shiga toxin proteins are tandemly linked through a peptide having the following characteristics (A) and (B) to produce the bacterial toxin protein in the plant cells: (A) a number of amino acids is 12 to 30; and (B) a content of proline is 20 to 35%.

Abstract: An organic electroluminescence device includes a pair of electrodes and an organic compound layer interposed therebetween. The organic compound layer includes a plurality of emitting layers including a first emitting layer and a second emitting layer, in which at least one of the first and second emitting layers contains a phosphorescent dopant material, and a space layer between the first and second emitting layers. The space layer contains a compound satisfying a relationship of the following numerical formula (1) in terms of a difference ?ST between singlet energy EgS and an energy gap Eg77K at 77K, [Numerical Formula 1] ?ST=EgS?Eg77K?0.5 (eV)??(1).

Abstract: Provided are an anti-wear agent comprising a heterocyclic compound having a heterocyclic skeleton derived from a compound selected from pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes and/or comprising a reaction product of the heterocyclic compound and a compound selected from a boron compound, a molybdenum compound, and a silicon compound, which is an anti-wear agent for a lubricating oil excellent in wear resistance, friction-reducing property, and base number-retaining property, and a lubricating oil composition comprising the anti-wear agent.

Abstract: In an organic electroluminescent element comprising an anode layer, an organic luminescent layer, an inorganic compound layer (or reductive dopant layer) and a cathode layer; the organic luminescent layer comprises an aromatic amine compound of a formula (1), and/or an aromatic amine compound of a formula (2) wherein A, B, and Ar1 to Ar6 are independently a C6-60 aromatic group which does not contain a styryl group nor an alkenyl group, at least one of A, Ar1, Ar2, or B, Ar3 to Ar6 contains at least three condensed aromatic rings, and p, q and r of a condensation number are an integer of 1 to 6. The element has significantly long half-life and high luminance even at low driving voltages.

Abstract: Provided is a lubricating oil composition for round die rolling, which is obtained by blending a base oil with: (A) 0.5 to 40 mass % of a monoester having 13 to 48 carbon atoms (a-1) and/or 0.5 to 30 mass % of a fatty dicarboxylate having 13 to 34 carbon atoms (a-2); (B) 0.01 to 10 mass % of a thiadiazole compound; (C) 0.01 to 15 mass % of a thiophosphite; and (D) 0.01 to 5 mass % of a triazole compound. The lubricating oil composition for round die rolling shows excellent processing performance without using any chlorine-based compound, and is able to improve lubricity in a bearing to lengthen the life of the bearing.

Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer having high impact resistance and excellent transparency, in particular, a high total light transmittance and a small haze, and a method of producing thereof. Specifically, provided is a polycarbonate-polyorganosiloxane copolymer, containing a main chain having a repeating unit represented by the following general formula (I) and a constituent unit represented by the following general formula (II), in which: n in the general formula (II) is 25 to 50; and the copolymer satisfies the following conditions (a) and (b): (a) a molded article having a thickness of 2 mm made of the copolymer has a total light transmittance measured based on ISO 13468 of 88% or more and a haze measured based on ISO 14782 of 0.7% or less; and (b) a molded article having a thickness of 3 mm made of the copolymer has a total light transmittance measured based on ISO 13468 of 88% or more and a haze measured based on ISO 14782 of 1.0% or less.

Abstract: The present invention provides a lubricating oil composition having an extremely high viscosity index and a low coefficient of traction as a low coefficient of fluid friction in an elastohydrodynamic lubrication which is excellent in saving of energy and reduction in fuel consumption. The lubricating oil composition according to the present invention includes the following components (A) and (B): (A) a low-viscosity synthetic oil comprising a compound containing ether bond(s) in a molecule thereof and having a kinematic viscosity of less than 10 mm2/s as measured at 40° C., in which a ratio of the number of oxygen atoms to the number of carbon atoms as constituents of the compound (O/C ratio) and the kinematic viscosity (mm2/s) of the compound as measured at 40° C. satisfy the following formula (1); Kinematic Viscosity at 40° C.?12?[(O/C ratio)×30] (1); and (B) a high-viscosity synthetic oil as a hydrocarbon-based synthetic oil having a kinematic viscosity of 40 mm2/s or more as measured at 100° C.

Abstract: Provided are an ?-olefin copolymer useful as a high-viscosity lubricant oil excellent in viscosity characteristics, low-temperature characteristics and oxidation stability, and a lubricant oil containing the copolymer. The ?-olefin copolymer is a 1-octene/1-decene/1-dodecene ternary copolymer produced by the use of a doubly crosslinked metallocene catalyst.

Abstract: Provided is a trinaphthyl monoamine or a derivative thereof. Also provided is an organic electroluminescence device, wherein an organic thin film composed of one or more layers including at least a light-emitting layer is sandwiched between a cathode and an anode, and at least one layer in the organic thin film contains the trinaphthyl monoamine or a derivative thereof by itself or as a component of a mixture. Further provided is organic-electroluminescent-material-containing solution which contains a solvent and the trinaphthyl monoamine or a derivative thereof as an organic electroluminescent material.

Abstract: The present invention provides a refrigerating machine oil composition for use in a compressor for a refrigerator in which a sliding surface of at least a part of constitutional members of the compressor is coated with a lubrication film-forming composition containing a resin having a heat distortion temperature of 100° C. or higher as a binder, and a solid lubricant, wherein the refrigerating machine oil composition contains a base oil made of a polyoxyalkylene glycol having a kinematic viscosity of from 3 to 50 mm2/s as measured at 100° C., and a compound selected from the group consisting of amide compounds, amidated amino acid compounds and aliphatic amines having a specific structural formula which compound is contained in an amount of from 0.

Abstract: Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life.

Abstract: An organic electroluminescence device includes: a first substrate; a reflective metal layer; a first electrode; an organic compound layer; and a second electrode, which are disposed in this sequence. The first substrate is provided by at least one of a metal film, a metal plate, a polymer film, a polymer plate, a polymer film with a damp-proof film, and a polymer plate with a damp-proof film. A smoothening layer is formed partially between the reflective metal layer and the first electrode. The reflective metal layer and the first electrode are electrically conductive to each other at a region where the smoothening layer is not formed.