Abstract: Provided is a solubility-controllable compound being soluble in a solvent due to a solvent-philic group thereof, of which solubility in the solvent is irreversibly lowered when the group is removed by retro-Diels-Alder reaction.

Abstract: A method for forming an organic semiconductor film, comprising applying to a base material a bicyclo compound and inducing a retro-Diels-Alder reaction in the bicyclo compound.

Abstract: The present invention relates to a transfer medium carrying member that excels in flame retardancy and provides good electrophotographical images. The transfer medium carrying member includes i) a resin and ii) a conductive filler, wherein the resin comprises a polycarbonate resin (a) that has a structural unit including a siloxane structure and a structural unit including a fluorene structure.

Abstract: A DNA hybrid which comprises a porous oxide matrix and DNA immobilized thereon, and is useful for environmental clean-up, where the hybrid is prepared by removing a dispersion medium from a dispersion of colloidal oxide and DNA.

Abstract: A method of producing an aggregate of hollow or solid carbon fibers is provided, which comprises the step of (i) heating a solution comprising carbon, oxygen, hydrogen, and sulfur as components; or (ii) heating a vapor of a solution comprising carbon, oxygen, hydrogen, and sulfur as components in an atmosphere of a saturated vapor of the solution.

Abstract: A method for forming a pattern of an organic semiconductor film comprises applying at least a bicyclo compound onto a base material, the bicyclo compound being converted to an organic semiconductor on the base material through retro-Diels-Alder reaction which removes a part of the bicyclo skeleton to allow extension of pi electron system.

Abstract: An electrolyte membrane made of a phosphate-containing siloxane-based polymer for fuel cell, where the polymer comprises a siloxane backbone and a poly(meth)acrylate chain to which phosphate groups are attached, and the polymer is formed by vinyl polymerization of a silane compound having a (meth)acrylate functional group or a hydrolysis-polycondensation product thereof and a (meth)acrylate compound having a phosphate group, followed by siloxane crosslinking. The electrolyte membrane of a siloxane-based polymer has a high conductivity for a fuel cell.

Abstract: Provided is a solubility-controallable compound being soluble in a solvent due to a solvent-philic group thereof, of which solubility in the solvent is irreversibly lowered when the group is removed by retro-Diels-Alder reaction.

Abstract: Provided is a solubility-controallable compound being soluble in a solvent due to a solvent-philic group thereof, of which solubility in the solvent is irreversibly lowered when the group is removed by retro-Diels-Alder reaction.

Abstract: Provided is a solubility-controallable compound being soluble in a solvent due to a solvent-philic group thereof, of which solubility in the solvent is irreversibly lowered when the group is removed by retro-Diels-Alder reaction.

Abstract: The membrane electrode assembly of the present invention for the proton-exchange membrane fuel cell includes a polymer electrolyte membrane and an electrode catalyst layer, wherein at least a part of the polymer electrolyte membrane infiltrates into the electrode catalyst layer, and wherein the polymer electrolyte membrane is formed by polymerizing a composition containing at least a compound having proton conductivity and a compound having activity to an active energy ray, or a composition containing at least a compound having proton conductivity and activity to the active energy ray. The object of the present invention is to provide a membrane electrolyte assembly for realizing a high-output proton-exchange membrane fuel cell by improving a bonding state between the polymer electrolyte membrane and the electrode catalyst layer to reduce an internal resistance, and by providing a three-dimensional three-phase interface to increase reaction areas.

Abstract: Provided is a solubility-controallable compound being soluble in a solvent due to a solvent-philic group thereof, of which solubility in the solvent is irreversibly lowered when the group is removed by retro-Diels-Alder reaction.

Abstract: A DNA hybrid which comprises a porous oxide matrix and DNA immobilized thereon, and is useful for environmental clean-up, where the hybrid is prepared by removing a dispersion medium from a dispersion of colloidal oxide and DNA.

Abstract: In a manufacturing process for a fuel cell having a fuel electrode, an oxidizer electrode, and a polymer electrolyte membrane held between both the electrodes, and having electrode catalyst layers which are individually provided between both the electrodes and the polymer electrolyte membrane, the process has the step of ejecting an electrode catalyst composition containing conductive particles carrying thereon at least a catalyst, by an ink-jet process to form the electrode catalyst layers. This provides a fuel cell manufacturing process which can accurately control the coverage of catalyst layers and also can simply provide pores while controlling the same.

Abstract: The present invention relates to a transfer medium carrying member that excels in flame retardancy and provides good electrophotographical images. The transfer medium carrying member includes i) a resin and ii) a conductive filler, wherein the resin comprises a polycarbonate resin (a) that has a structural unit including a siloxane structure and a structural unit including a fluorene structure.

Abstract: A method of producing an aggregate of hollow or solid carbon fibers is provided which comprises the step of (i) heating a solution comprising carbon, oxygen, hydrogen, and sulfur as components; or (ii) heating a vapor of a solution comprising carbon, oxygen, hydrogen, and sulfur as components in an atmosphere of a saturated vapor of the solution.

Abstract: An object of the present invention is to provide methods of easily producing a diamond and an aggregated carbon fiber. The methods of the present invention are methods of producing a diamond and an aggregated carbon fiber used by heat treatment vapor of a carbon source in the absence of air, the methods including the following steps (i) and (iii) of, the following steps (ii) and (iii) of, or the following steps (i), (ii) and (iii) of: (i) heating a liquid containing at least carbon, oxygen and hydrogen as components in a vessel from an outside of the vessel to exhaust air in the vessel by means of vapor of the liquid; (ii) introducing a gas into a vessel storing the liquid containing at least carbon, oxygen and hydrogen as components to exhaust air in the vessel; and (iii) heating the vapor of the liquid containing at least carbon, oxygen and hydrogen as components in an atmosphere of the saturated vapor of the liquid.

Abstract: A liquid containing a separation target substance is brought into contact with a double helix DNA-holding phase to have the separation target substance held by the double helix DNA-holding phase, which is then removed from the liquid. On this occasion, the contact of the double helix DNA with the separation target substance is performed in an aqueous medium having a salt concentration of 0.02 mass % or more.

Abstract: There are provided a polymer electrolyte membrane having at least one surface with an average surface roughness Ra? of from 30 nm to 500 nm and a surface area ratio Sr of 1.2 or more in which Sr is defined as S/S0 with S0 representing a surface area when the at least one surface is ideally flat and S representing an actual surface area of the at least one surface, and a polymer electrolyte fuel cell comprising the polymer electrolyte membrane. Thereby, a polymer electrolyte fuel cell is provided that improves the efficiency of contact between the polymer electrolyte membrane and the catalyst, efficiently separates hydrogen ions and electrons produced on the catalyst, and provides high output characteristics.

Abstract: An anti-fogging coating material is disclosed which comprises a phosphoric acid compound binder; and oxide particles having an average particle diameter of 1 to 300 nm mixed with the phosphoric acid compound binder and provides an anti-fogging coating with a high hydrophilic property and a high water absorption property, capable of retaining the high hydrophilic property for a long period of time.