Abstract: There is provided a method for producing a negative electrode material for lithium ion secondary batteries that is easily produced and is less likely to cause deterioration in charge and discharge cycle characteristics. A method for producing a negative electrode material for lithium ion secondary batteries, comprises steps of heating a raw material composition comprising resin-retained partially exfoliated graphite having a structure in which graphene is partially exfoliated and Si particles to dope the partially exfoliated graphite with the Si particles, the partially exfoliated graphite being obtained by pyrolyzing a resin in a composition in which the resin is fixed to graphite or primary exfoliated graphite, thereby exfoliating the graphite or primary exfoliated graphite while allowing part of the above resin to remain; providing a composition comprising the above partially exfoliated graphite doped with the Si particles, a binder resin, and a solvent; and shaping the above composition.

Abstract: A carbon-coated thermal conductive material includes a coating layer comprising amorphous carbon on a surface of a thermal conductive material, wherein the thermal conductive material comprises a metal oxide, a metal nitride, a metal material, or a carbon-based material having a thermal conductivity of 10 W/mK or greater, the amorphous carbon is derived from carbon contained in an oxazine resin, a ratio of a peak intensity of a G band to a peak intensity of a D band is 1.0 or greater when the amorphous carbon is measured by Raman spectroscopy, an average film thickness of the coating layer is 500 nm or less, and a coefficient of variation (CV value) of a film thickness of the coating layer is 15% or less.

Abstract: A positive electrode active material for a lithium ion battery includes a coating layer comprising amorphous carbon on a surface of a positive electrode active material, wherein the amorphous carbon is derived from carbon contained in an oxazine resin, a ratio of a peak intensity of a G band to a peak intensity of a D band is 1.0 or greater when the amorphous carbon is measured by Raman spectroscopy, an average film thickness of the coating layer is 100 nm or less, and a coefficient of variation (CV value) of a film thickness of the coating layer is 10% or less.

Abstract: A carbon-coated vanadium dioxide particle includes a vanadium dioxide particle; and a coating layer containing amorphous carbon on a surface of the vanadium dioxide particle, the amorphous carbon being derived from carbon contained in an oxazine resin, and having a peak intensity ratio of a G band to a band of 1.5 or greater as determined from a Raman spectrum. The coating layer has an average thickness of 50 nm or less. The coating layer has a coefficient of variation (CV value) of thickness of 7% or less.

Abstract: There is provided an exfoliated graphite-resin composite material that has high dispersibility in resins and the like and is easily handled. An exfoliated graphite-resin composite material in which exfoliated graphite and a resin form a composite. When an amount of methylene blue adsorbed per g of the exfoliated graphite-resin composite material (?mol/g) is y, the amount of methylene blue adsorbed as measured based on a difference between an absorbance of a methanol solution of methylene blue at a concentration of 10 mg/L and an absorbance of a supernatant liquid obtained by introducing the exfoliated graphite-resin composite material into the methanol solution of methylene blue and performing centrifugation, and a BET specific surface area (m2/g) of the exfoliated graphite-resin composite material is x, a ratio y/x is 0.15 or more, and the BET specific surface area is 25 m2/g or more.

Abstract: A method of providing a layer of a first fluid and a layer of a second fluid on a first area of a support plate of an electrowetting device includes providing an emulsion of dispersed first fluid and continuous second fluid, the emulsion including an amount of the second fluid for forming the layer of the second fluid.

Abstract: There is provided a composite material having excellent adhesion between a resin and a graphene-like carbon material and a method for producing the same. A composite material comprising a substrate comprising a resin, and a graphene-like carbon material layer provided so as to cover at least part of a surface of the substrate, wherein the graphene-like carbon material layer is composed of a graphene-like carbon material obtained by pyrolyzing a polymer in a composition in which the polymer is fixed to graphite or primary exfoliated graphite.

Abstract: There is provided a capacitor electrode material that does not require the use of a conductive aid and can increase the capacitance of an electric double layer capacitor. A capacitor electrode material comprising resin-remaining partially exfoliated graphite obtained by pyrolyzing a resin in a composition in which the resin is fixed to graphite or primary exfoliated graphite by grafting or adsorption, the resin-remaining partially exfoliated graphite having a structure in which graphite is partially exfoliated, with part of the resin remaining; and a binder resin.

Abstract: A composite material in which a graphene-like carbon material has excellent adhesion to a substrate composed of resin, and a method for producing the same are provided. The composite material comprises a substrate composed of resin and a graphene-like carbon material layer provided so as to cover at least part of the surface of the substrate, wherein graphene-like carbon is closely attached to the surface of the substrate. The method for producing a composite material comprises bringing a graphene-like carbon material into contact with at least part of the surface of a substrate composed of resin and heating under the action of a supercritical or subcritical fluid.

Abstract: A composite material in which a graphene-like carbon material has excellent adhesion to a substrate composed of resin, and a method for producing the same are provided. The composite material comprises a substrate composed of resin and a graphene-like carbon material layer provided so as to cover at least part of the surface of the substrate, wherein graphene-like carbon is closely attached to the surface of the substrate. The method for producing a composite material comprises bringing a graphene-like carbon material into contact with at least part of the surface of a substrate composed of resin and heating under the action of a supercritical or subcritical fluid.

Abstract: A composite material in which a graphene-like carbon material has excellent adhesion to a substrate composed of resin, and a method for producing the same are provided. The composite material comprises a substrate composed of resin and a graphene-like carbon material layer provided so as to cover at least part of the surface of the substrate, wherein graphene-like carbon is closely attached to the surface of the substrate. The method for producing a composite material comprises bringing a graphene-like carbon material into contact with at least part of the surface of a substrate composed of resin and heating under the action of a supercritical or subcritical fluid.

Abstract: A method for producing a carbonaceous material-polymer composite material in which a polymer can be easily grafted to a carbonaceous material and a carbonaceous material-polymer composite includes the steps of: preparing a mixture containing a carbonaceous material and at least one polymer A of a polymer obtained by polymerizing a cyclic disulfide compound and a polymer obtained by polymerizing a cyclic disulfide compound and a radical polymerizable functional group-containing monomer; and heating the mixture at a temperature range of (D-75)° C. or higher and a decomposition termination temperature or lower when a decomposition start temperature of the polymer A is defined as D° C., and a carbonaceous material-polymer composite material obtained by the production method wherein a monomer and/or a polymer derived from the polymer A is grafted to a carbonaceous material.

Abstract: Provided is a method for producing a polypropylene material, which can improve the heat resistance of the polypropylene material. The method for producing a polypropylene material comprises: a melting step of melting a polypropylene material rolled in at least one direction, at a temperature that is higher than Tm+5° C. where Tm is a melting peak temperature of the polypropylene material not rolled yet as measured by differential scanning calorimetry, and is equal to or lower than Tm+60° C.; and a heat treatment step of heat-treating the polypropylene material melted in the melting step, at a temperature that is equal to or higher than Tm?20° C., and is lower than Tm?10° C.

Abstract: The present invention provides a method for producing a random-structure GIC in which exfoliated graphite having a low regularity of a graphene stacked state and a small number of stacked graphene layers can be easily obtained by exfoliation treatment. The method includes the steps of providing an alkali metal-GIC having an alkali metal intercalated between graphene layers and bringing a polar protic solvent into contact with the alkali metal-GIC in a non-oxidizing atmosphere.

Abstract: There is provided a method for producing expanded graphite that allows mass-producing graphene, exfoliated graphite, or the like safely and efficiently. A method for producing expanded graphite, comprising a first step of bringing a complex of a compound serving as a charge acceptor for graphite into contact with raw material graphite in a hydrophobic solvent; and a second step of bringing the raw material graphite in contact with the complex into contact with a polar solvent after the first step.

Abstract: There is provided a method for producing a negative electrode material for lithium ion secondary batteries that is easily produced and is less likely to cause deterioration in charge and discharge cycle characteristics. A method for producing a negative electrode material for lithium ion secondary batteries, comprises steps of heating a raw material composition comprising resin-retained partially exfoliated graphite having a structure in which graphene is partially exfoliated and Si particles to dope the partially exfoliated graphite with the Si particles, the partially exfoliated graphite being obtained by pyrolyzing a resin in a composition in which the resin is fixed to graphite or primary exfoliated graphite, thereby exfoliating the graphite or primary exfoliated graphite while allowing part of the above resin to remain; providing a composition comprising the above partially exfoliated graphite doped with the Si particles, a binder resin, and a solvent; and shaping the above composition.

Abstract: There is provided a composite material having excellent adhesion between a resin and a graphene-like carbon material and a method for producing the same. A composite material comprising a substrate comprising a resin, and a graphene-like carbon material layer provided so as to cover at least part of a surface of the substrate, wherein the graphene-like carbon material layer is composed of a graphene-like carbon material obtained by pyrolyzing a polymer in a composition in which the polymer is fixed to graphite or primary exfoliated graphite.

Abstract: There is provided an exfoliated graphite-resin composite material that has high dispersibility in resins and the like and is easily handled. An exfoliated graphite-resin composite material in which exfoliated graphite and a resin form a composite. When an amount of methylene blue adsorbed per g of the exfoliated graphite-resin composite material (?mol/g) is y, the amount of methylene blue adsorbed as measured based on a difference between an absorbance of a methanol solution of methylene blue at a concentration of 10 mg/L and an absorbance of a supernatant liquid obtained by introducing the exfoliated graphite-resin composite material into the methanol solution of methylene blue and performing centrifugation, and a BET specific surface area (m2/g) of the exfoliated graphite-resin composite material is x, a ratio y/x is 0.15 or more, and the BET specific surface area is 25 m2/g or more.

Abstract: Provided are a polymer article excellent in mechanical strength, toughness, and stretchability and a production method of the polymer article. The polymer article of the present invention is formed of a polymer material and is a polymer blank or a formed polymer body. The polymer article of the present invention has a crystallinity of not less than 50% but less than 90% and a tensile strain at fracture of not less than 60%. A method for producing a polymer article of the present invention includes: a heating step of heating the polymer material to a temperature of not lower than (Tm?70)° C. but lower than Tm(° C.) where Tm is the melting point (° C.) of the polymer material; and a compression step of cooling the polymer material heated in the heating step and compressing the polymer material in the course of the cooling to obtain a polymer article having a crystallinity of not less than 50% but less than 90% and a tensile strain at fracture of not less than 60%.

Abstract: There is provided a method for producing relatively easily handleable exfoliated graphite by exfoliating graphite without complicated steps, and exfoliated graphite obtained by the method. A method for producing exfoliated graphite, comprising steps of preparing a composition which comprises graphite or primary exfoliated graphite and a polymer and in which the polymer is fixed to the graphite or primary exfoliated graphite; and pyrolyzing the polymer contained in the composition to exfoliate the graphite or primary exfoliated graphite and remove the polymer by pyrolysis.