Abstract: To provide a fluorinated copolymer capable of producing a cross-linked rubber article with excellent mold-releasing properties, a method for producing the fluorinated copolymer, a fluorinated copolymer composition, and a cross-linked rubber article. The fluorinated copolymer of the present invention is a fluorinated copolymer having units based on tetrafluoroethylene, units based on a perfluoro(alkyl vinyl ether), units based on a monomer having a fluorine atom and at least two polymerizable unsaturated bonds, and units based on a monomer having a nitrile group and a fluorine atom, wherein when the storage modulus of the fluorinated copolymer at an angular frequency of 0.3 rad/s is G?0.3 and the storage modulus of the fluorinated copolymer at an angular frequency of 0.03 rad/s is G?0.03 as determined by dynamic viscoelasticity measurement at 140° C., G?0.3/G?0.03 is from 1.00 to 1.45.

Abstract: The purpose of the present invention is to provide a method for producing boron nitride nanotubes, said method reducing the ratio of by-products having less reinforcing effects such as boron nitride fullerenes and boron nitride thin pieces, while enhancing the yield at the same time, without requiring a thermal oxidation treatment. The present invention provides a method for producing boron nitride nanotubes, said method being characterized by comprising: a step for obtaining a suspension by mixing a starting material that contains boron nitride nanotubes, a nonionic polymer dispersant having an sp3-bonded CH group, and an organic solvent; and a step for obtaining a dispersion liquid containing boron nitride nanotubes by subjecting the thus-obtained suspension to centrifugal separation, thereby removing by-products contained in the starting material.

Abstract: A coating material of the present invention is a coating material containing: a fluorine-containing polymer having at least one of an iodine atom and a bromine atom; and a solvent, wherein a storage elastic modulus G? of the fluorine-containing polymer is less than 360 kPa, and a total light transmittance of a mixed liquid obtained by mixing and stirring the fluorine-containing polymer and the solvent contained in the coating material is 1.0% or more, the mixed liquid being left to stand for 3 days, stirred again, and left to stand for 30 minutes to measure the total light transmittance.

Abstract: Provided are a fluorine-containing copolymer composition containing a fluorine-containing copolymer and a fluorine-containing compound having two maleimide groups, and a cross-linked product thereof, and a compound.

Abstract: To provide a fluorinated copolymer composition whereby a crosslinked rubber article which has a low compression set at high temperature and which is not broken after compression can be formed, and a crosslinked rubber article. The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer having nitrile groups, a phosphorus compound having a melting point of 60° C. or lower and a crosslinking agent.

Abstract: To provide a fluorinated copolymer composition whereby a crosslinked rubber article which has a low compression set at high temperature and which is not broken after compression can be formed, and a crosslinked rubber article. The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer (A) having units having a nitrile group and units based on tetrafluoroethylene, a fluorinated copolymer (B) having units having at least one functional group selected from the group consisting of a group having a carbonyl group, a hydroxy group, an epoxy group and an isocyanate group and units based on tetrafluoroethylene, and a crosslinking agent.

Abstract: To provide a fluorinated copolymer, whereby it is possible to produce a crosslinked rubber article excellent in mold release properties. The fluorinated copolymer of the present invention has units based on tetrafluoroethylene, units based on a perfluoro(alkyl vinyl ether), units based on a monomer having a fluorine atom and at least two polymerizable unsaturated bonds, and units based on a monomer having a nitrile group and a fluorine atom.

Abstract: To provide a fluorinated copolymer composition whereby a crosslinked rubber article having a low compression set at high temperature can be formed, and a crosslinked rubber article. The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer, an organic peroxide, a compound having at least two polymerizable unsaturated bonds and a phosphorus compound having a melting point of 60° C. or lower.

Abstract: To provide a method for producing crosslinked rubber excellent in hardness and transparency. The method for producing crosslinked rubber of the present invention is a method for producing crosslinked rubber, which comprises crosslinking a fluorinated copolymer in a composition comprising the fluorinated copolymer, a crosslinking agent and a crosslinking co-agent, wherein the fluorinated copolymer is a copolymer having units based on tetrafluoroethylene and units based on a perfluoro(alkyl vinyl ether), the content of the units based on tetrafluoroethylene is from 65 to 90 mol % to all units of the fluorinated copolymer, in the composition, the content of the crosslinking agent is from 0.03 to 0.7 part by mass to 100 parts by mass of the fluorinated copolymer, the content of the crosslinking co-agent is from 0.1 to 2.5 parts by mass to 100 parts by mass of the fluorinated copolymer, and the hardness is from 65 to 100.

Abstract: The present invention provides a method for manufacturing a dopant composition-nanomaterial composite, which method makes it possible to simply and efficiently change a Seebeck coefficient value of a nanomaterial. This manufacture method of the present invention includes the steps of: (a) putting a dopant composition in contact with a nanomaterial in a solvent; (b) drying a mixture obtained in the step (a) so as to remove the solvent, the dopant composition containing a given anion and an onium ion.

Abstract: The present invention provides a method for manufacturing a dopant composition-nanomaterial composite, which method makes it possible to simply and efficiently change a Seebeck coefficient value of a nanomaterial. This manufacture method of the present invention includes the step of putting a dopant composition in contact with a nanomaterial in a solvent, the dopant composition containing an anion, a cation, and a scavenger.

Abstract: A thermoelectric conversion material capable of increasing the conductivity, and increasing the Seebeck coefficient is provided. The thermoelectric conversion material according to the present invention contains a carbon nanotube, and has a G/D ratio of 25 or more as determined by Raman spectroscopic measurement, an electrical conductivity of 500 S/cm or more, and a Seebeck coefficient of 50 ?V/K or more.

Abstract: A light emitting device includes a light source and a wavelength converter that includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and provided on at least a portion of the light source. A wavelength converter includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and emitting fluorescence upon receiving excitation light. A light emitting device includes the wavelength converter and a light source emitting excitation light to the wavelength converter, which is provided separately from the wavelength converter.

Abstract: The present invention provides a method for manufacturing a dopant composition-nanomaterial composite, which method makes it possible to simply and efficiently change a Seebeck coefficient value of a nanomaterial. This manufacture method of the present invention includes the step of putting a dopant composition in contact with a nanomaterial in a solvent, the dopant composition containing an anion, a cation, and a scavenger.

Abstract: The present invention provides a method for manufacturing a dopant composition-nanomaterial composite, which method makes it possible to simply and efficiently change a Seebeck coefficient value of a nanomaterial. This manufacture method of the present invention includes the steps of: (a) putting a dopant composition in contact with a nanomaterial in a solvent; (b) drying a mixture obtained in the step (a) so as to remove the solvent, the dopant composition containing a given anion and an onium ion.

Abstract: A light emitting device includes a light source and a wavelength converter that includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and provided on at least a portion of the light source. A wavelength converter includes a resin including a constitutional unit that includes an ionic liquid or a derivative of the ionic liquid, and a semiconductor nanoparticle phosphor included in the resin and emitting fluorescence upon receiving excitation light. A light emitting device includes the wavelength converter and a light source emitting excitation light to the wavelength converter, which is provided separately from the wavelength converter.

Abstract: The invention disclosed herein is a curable fluoroelastomer composition comprising i) a fluoroelastomer, ii) a polyhydroxy curative and iii) a mixture of anion trappers comprising ?-aluminum oxide hydroxide and magnesium oxide. Cured articles made therefrom are resistant to volume swell in carboxylic acids.

Abstract: The invention disclosed herein is a curable fluoroelastomer composition comprising i) a fluoroelastomer, ii) a polyhydroxy curative and iii) a mixture of anion trappers comprising y-aluminum oxide hydroxide and magnesium oxide. Cured articles made therefrom are resistant to volume swell in carboxylic acids.

Abstract: The rare-earth complex of the present invention has high luminous efficiency, since it has a structure represented by the following general formula (I):

Abstract: There is provided a metal complex that is large in degree of a change in emission intensity, the change being caused by a change in molecular structure of a ligand through a photochromic reaction. The metal complex is arranged such that a diarylethene-based photochromic molecule coordinates to a metal ion via two groups directly bonded to respective reaction site carbons and that the groups are each independently a group selected from Formula Group (1) below.