Abstract: An apparatus for manufacturing an absorbent body according to the present invention includes a conveying unit (2) that conveys an aggregate (101) of absorbent fibers and a water-absorbent resin (102), a mixing unit (3) that accepts the aggregate of the absorbent fibers and the water-absorbent resin that were conveyed by the conveying unit and mixes the absorbent fibers and the water-absorbent resin, a chamber portion (4) that has an internal space (40) through which the absorbent fibers and the water-absorbent resin that were mixed in the mixing unit fall, a stacking portion (5) that is disposed below the chamber portion and has a recessed portion (531) in which the absorbent fibers and the water-absorbent resin that fall through the chamber portion are stacked, and a suction unit (6) that causes a negative pressure in the chamber portion.

Abstract: An organic electroluminescent (EL) device having excellent luminance life and a method for producing the device are described. The organic EL device contains an organic EL material and a solvent A having a boiling point under 1 atm of 250° C.

Abstract: A method for producing a liquid composition formed of a phosphorescent material and an organic solvent includes the steps of: dissolving a phosphorescent material in an organic solvent to prepare a mixed liquid, and filtering the mixed liquid by a filtering device. The filtering device is a housing or holder, a fluororesin membrane filter, and a filter support member. A material of a portion of the housing and holder in contact with the mixed liquid is a metal or a mixture of metal and at least one of glass, fluororesins, polyethylene not containing a phosphorus antioxidant, and polyethylene not containing an oxidized phosphorus antioxidant. A material of a portion of the filter support member in contact with the mixed liquid is at least one of metals, glass, fluororesins, polyethylene not containing a phosphorus antioxidant, and polyethylene not containing an oxidized phosphorus antioxidant.

Abstract: A high purity raw material is provided with which an organic EL material exhibiting high luminance, high efficiency, low voltage driving, and long lifetime can be synthesized. A method for purifying the raw material and a method for producing a light-emitting material synthesized using the high purity raw material are also provided. A means for solving the problem is a compound which is a raw material for synthesizing an organic EL material. In the compound, the content of an impurity having a molecular weight larger than the molecular weight of the compound is 0.15% or less, and the content of the impurity is a percentage of the sum of peak areas having a retention time shorter than the retention of a peak identified as the compound in a chromatogram of organic solvent-based size-exclusion chromatography relative to the sum of all peak areas.

Abstract: A polymer compound comprising a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (X) and/or a constitutional unit represented by the following formula (Y), wherein the content of the hydroxyl groups contained in the polymer compound is less than 0.02 mol %: Ar1??(1) [wherein, Ar1 represents an arylene group and this group optionally has a substituent.] [wherein, aX1 and aX2 each independently represent an integer of 0 or more. ArX1 and ArX3 each independently represent an arylene group or a divalent heterocyclic group and these groups each optionally have a substituent. ArX2 and ArX4 each independently represent an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent.

Abstract: A composition which is useful for producing a light emitting device having excellent luminance life is provided. The composition contains a primary fluorinated alcohol represented by the formula (1), a secondary fluorinated alcohol represented by the formula (1?) and an electron injectable compound or an electron transportable compound, wherein the content of the secondary fluorinated alcohol is 0.01% by mass to 0.75% by mass with respect to the total content of the primary fluorinated alcohol and the secondary fluorinated alcohol: CnH2n?m+1FmOH??(1) Cn?H2n??m?+1Fm?OH??(1?) In the formula (1), n represents an integer of 1 to 10, and m is an integer satisfying 1?m?2n+1. In the formula (1?), n? represents an integer of 3 to 10, and m? is an integer satisfying 1?m??2n?+1.

Abstract: A composition comprising an organic EL material, a solvent (A) represented by the formula (1), an aromatic hydrocarbon solvent (B) and an aromatic ether solvent (C): [wherein R1 represents an alkyl group having a number of carbon atoms of 10 to 12].

Abstract: A method for producing a liquid composition formed of a phosphorescent material and an organic solvent includes the steps of: dissolving a phosphorescent material in an organic solvent to prepare a mixed liquid, and filtering the mixed liquid by a filtering device. The filtering device is a housing or holder, a fluororesin membrane filter, and a filter support member. A material of a portion of the housing and holder in contact with the mixed liquid is a metal or a mixture of metal and at least one of glass, fluororesins, polyethylene not containing a phosphorus antioxidant, and polyethylene not containing an oxidized phosphorus antioxidant. A material of a portion of the filter support member in contact with the mixed liquid is at least one of metals, glass, fluororesins, polyethylene not containing a phosphorus antioxidant, and polyethylene not containing an oxidized phosphorus antioxidant.

Abstract: An apparatus for manufacturing an absorbent body according to the present invention includes a conveying unit (2) that conveys an aggregate (101) of absorbent fibers and a water-absorbent resin (102), a mixing unit (3) that accepts the aggregate of the absorbent fibers and the water-absorbent resin that were conveyed by the conveying unit and mixes the absorbent fibers and the water-absorbent resin, a chamber portion (4) that has an internal space (40) through which the absorbent fibers and the water-absorbent resin that were mixed in the mixing unit fall, a stacking portion (5) that is disposed below the chamber portion and has a recessed portion (531) in which the absorbent fibers and the water-absorbent resin that fall through the chamber portion are stacked, and a suction unit (6) that causes a negative pressure in the chamber portion.

Abstract: A composition which is useful for producing a light emitting device having excellent luminance life is provided. The composition contains a primary fluorinated alcohol represented by the formula (1), a secondary fluorinated alcohol represented by the formula (1?) and an electron injectable compound or an electron transportable compound, wherein the content of the secondary fluorinated alcohol is 0.01% by mass to 0.75% by mass with respect to the total content of the primary fluorinated alcohol and the secondary fluorinated alcohol: CnH2n?m+1FmOH ??(1) Cn?H2n??m?+1Fm?OH ??(1?) In the formula (1), n represents an integer of 1 to 10, and m is an integer satisfying 1?m?2n+1. In the formula (1?), n? represents an integer of 3 to 10, and m? is an integer satisfying 1?m??2n?+1.

Abstract: A composition containing a phosphorescent compound and solvents, which is useful for producing a film having excellent flatness when used in a discharge type application method, is provided. The composition contains a phosphorescent compound, a solvent (A) and a solvent (B), in which the boiling point under 1 atm of the solvent (A) (bpA (° C.)) and the boiling point under 1 atm of the solvent (B) (bpB (° C.)) satisfy formulas (11) and (12), and the content of the solvent (A) (wtA (by weight)) and the content of solvent (B) (wtB (by weight)) satisfy formula (13): bpB<200° C.?bpA??(11) 70° C.?bpA?bpB?120° C.??(12) wtB?wtA??(13).

Abstract: A polymer compound is provided having constitutional units of formula (1) and formula (2), and a constitutional unit of formula (3) and/or (4?): wherein Ar1 to Ar4, Ar20, Ar30? and Ar40 represent arylene groups or the like; Ar5 to Ar7 represent aryl groups or the like; Ar8 represents (2+p)-valent aromatic hydrocarbon group or the like; Ar10 represents (2+n)-valent aromatic hydrocarbon group or the like; R1 represents alkyl group or the like; La, Lb, Lg and Lh represent alkylene groups or the like; LA and LD represent oxygen atoms or the like; Q1 represents monovalent crosslinkable group; Q2? to Q4? represent monovalent crosslinkable groups or the like; x, y, c, nA and nD represent 0 or 1; p represents integer of 1 or greater; na and ng represent integer of 0 to 3; nb and nh represent integer of 0 to 12; and n represents integer of 1 to 4.

Abstract: A composition comprising an organic EL material, a solvent (A) represented by the formula (1), an aromatic hydrocarbon solvent (B) and an aromatic ether solvent (C): [wherein R1 represents an alkyl group having a number of carbon atoms of 10 to 12].

Abstract: A composition containing a phosphorescent compound and solvents, which is useful for producing a film having excellent flatness when used in a discharge type application method, is provided. The composition contains a phosphorescent compound, a solvent (A) and a solvent (B), in which the boiling point under 1 atm of the solvent (A) (bpA (° C.)) and the boiling point under 1 atm of the solvent (B) (bpB (° C.)) satisfy formulas (11) and (12), and the content of the solvent (A) (wtA (by weight)) and the content of solvent (B) (wtB (by weight)) satisfy formula (13): bpB<200° C.?bpA ??(11) 70° C.?bpA?bpB?120° C. ??(12) wtB?wtA ??(13).

Abstract: Provided is a method for producing water-absorbent resin particles suitable for use in absorbent article and the like, the water-absorbent resin particles having better water-absorbent performance, a suitable particle size, and a narrow particle-size distribution. A method for producing water-absorbent resin particles by reversed-phase suspension polymerization of a water-soluble ethylenic unsaturated monomer in a carrier fluid, wherein the method for producing water-absorbent resin particles comprises conducting the reversed-phase suspension polymerization reaction in the presence of an organic acid monoglyceride.

Abstract: A problem to be solved of the invention is to provide a package of a liquid composition for an organic electroluminescent device including a phosphorescent material and a solvent with extended storage lifetime, which may be produced with high working efficiency. A solving means of the problem is a package of a liquid composition for an organic electroluminescent device having a liquid composition for an organic electroluminescent device including a phosphorescent material and a solvent, and a container that contains the liquid composition for an organic electroluminescent device, wherein the package of a liquid composition for an organic electroluminescent device has a transmittance of light, that is a wavelength component of from 500 nm to 780 nm, from outside of the package to inside of the container of 15% or less.

Abstract: A problem to be solved of the present invention is to provide a liquid composition for an organic semiconductor device having good coating property, wherein the lifetime of the function of an organic semiconductor device is prolonged when an organic layer is formed from the liquid composition for an organic semiconductor device, and a process for producing the liquid composition. A mean for solving the problem is a process for producing a liquid composition for an organic semiconductor device comprising a step of dissolving an organic compound which is solid at 1 atm and 25° C. in an organic solvent which is liquid at 1 atm and 25° C. and has a halogen compound concentration of not more than 100 ppm by weight.

Abstract: A method of producing a light emitting device which exhibits excellent light emission efficiency is provided. The light emitting device contains an anode, a cathode, a light emitting layer disposed between the anode and the cathode, and an encapsulating layer, and the method involves forming the light emitting layer by an application method using an iridium complex having an iridium atom as the central metal, forming the anode or the cathode, and forming the encapsulating layer. For the whole process, from initiation of the formation of the light emitting layer to completion of the formation of the encapsulating layer, during which the light emitting device in production is exposed to ozone, the average value of the ozone concentration: A ppb and the time interval: B min satisfy the formula: 0?A×B?1000.

Abstract: Provided is a method for producing water-absorbent resin particles suitable for use in absorbent article and the like, the water-absorbent resin particles having better water-absorbent performance, a suitable particle size, and a narrow particle-size distribution. A method for producing water-absorbent resin particles by reversed-phase suspension polymerization of a water-soluble ethylenic unsaturated monomer in a carrier fluid, wherein the method for producing water-absorbent resin particles comprises conducting the reversed-phase suspension polymerization reaction in the presence of an organic acid monoglyceride.

Abstract: A polymer compound comprising a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (X) and/or a constitutional unit represented by the following formula (Y), wherein the content of the hydroxyl groups contained in the polymer compound is less than 0.02 mol %: ?Ar1???(1) wherein Ar1 represents an arylene group and this group optionally has a substituent, wherein, ArY1 represents an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent.