Abstract: Disclosed are a carbonaceous material dispersion, which is a carbonaceous material dispersion with carbonaceous materials and dispersing agents dispersed in a dispersion medium for an all-solid lithium-ion rechargeable battery. The dispersion medium contains at least an ester solvent, and the dispersing agent contains at least polyvinyl butyral; in the dispersion the carbonaceous material accounts for 10 to 25% of the total mass of the dispersion, and the dispersing agent is 5 to 40% of the carbonaceous material by mass; and the carbonaceous material dispersion has a viscosity of not more than 500 mPa·s at 25° C.

Abstract: Provided is an insulin secretion-promoting agent comprising, as an active ingredient, a triglyceride represented by the following formula (I): wherein R1, R2 and R3 each denotes a saturated fatty acid residue, at least one of which is a pentadecanoic acid residue. An insulin secretion-promoting action of the pentadecanoic acid triglyceride at the time of elevated blood glucose level is discovered, and pharmaceuticals and health foods for improving blood glucose level and diabetes are provided using this triglyceride.

Abstract: Provided is a collagen production promoter comprising, as an active ingredient, a triglyceride represented by the following formula (I), wherein R1, R2 and R3 each denotes a saturated fatty acid residue, at least one of which is a pentadecanoic acid residue. The triglyceride comprising the pentadecanoic acid promotes the production of skin fibroblasts and collagen, and can be used as a topical skin care composition and a beauty food or beverage for improving the condition of skin.

Abstract: A method for efficiently removing non-magnetic foreign material, from a carbonaceous material dispersion in which carbonaceous material particles are dispersed in a dispersing medium, includes applying the dispersion to a primary filter a specified number of times in circulation, the primary filter including at least one filter device; and applying the dispersion treated with the primary filter to a secondary filter a single time, the secondary filter including at least two filter devices arranged in series. Each respective filter device to be used satisfying following conditions: (a) a variation of cumulative undersize distribution Q [%] with respect to a reference particle diameter and a variation of non-volatile content, before and after passing the carbonaceous material dispersion, being not more than 0.1%, respectively; and (b) a removal rate of particles with a threshold particle diameter being not less than 20%.

Abstract: The disclosed is a method for producing a dispersion of carbonaceous material in a nonaqueous solvent comprising a nitrogen-containing heterocyclic amide compound with a solvent purity of 99.9% or higher, which comprises: confirming an amine-controlled concentration, in which the concentration of amine components in the nonaqueous solvent is confirmed to be less than 3×10?6 in mass fraction; confirming a moisture-controlled concentration, in which the concentration of the moisture concentration in the nonaqueous solvent is confirmed to be less than 5×10?4 in mass fraction; and dispersing a carbonaceous material added to the nonaqueous solvent that satisfies the conditions in the amine-controlled concentration confirmation and the moisture-controlled concentration confirmation so that the carbonaceous material concentration is 15 to 30% by mass based on the total mass of the dispersion, by stirring and mixing.

Abstract: The disclosed is a method for producing a carbon material dispersion which removes efficiently and reliably metallic components from carbon materials, and that provides a carbon material dispersion of a high product quality and stable electrical properties. The method comprises a first magnetic separation step in which the powdered and/or granulated carbon material C is applied to the surface of a rotating magnetic roll 130 to remove the metallic component M from the carbon material in the dry state of the powdered and granulated carbon material C; and a second magnetic separation step in which a magnet element 310 is placed in a carbon material dispersion D, in which the carbon material from which the metallic component has been removed in the first magnetic separation step is dispersed in a dispersing medium, in advance of the second magnetic separation step.