Abstract: A metal-supported catalyst, a battery electrode, and a battery. The metal-supported catalyst includes: a carbon carrier; and catalyst metal particles supported on the carbon carrier, wherein a ratio of number-average particle diameter of catalyst metal particles to average pore diameter of metal-supported catalyst is 0.70 or more and 1.30 or less, wherein, at relative pressure of a nitrogen adsorption isotherm of metal-supported catalyst within a range of 0.4 or more and 0.6 or less, maximum value of a ratio of a nitrogen adsorption amount of a desorption-side isotherm to a nitrogen adsorption amount of an adsorption-side isotherm is 1.05 or less, and wherein proportion of number of the catalyst metal particles each supported at a position having a depth of 20 nm or more from an outer surface of the carbon carrier to a total number of the catalyst metal particles supported on the carbon carrier is 11% or more.

Abstract: One aspect of the present invention is: a dental glass ionomer cement including a first agent containing an ionomer glass powder; and a second agent containing a polycarboxylic acid polymer and water, wherein the first agent further contains a water-soluble compound represented by general formula (1): where R1 is a hydrogen atom or a methyl group, X1 is —O— or —NH—, and L1 is an alkylene group, and a water-soluble compound represented by general formula (2): where R2 is a hydrogen atom or a methyl group, X2 is —O— or —NH—, L2 is an alkyleneoxy group, R3 is an n-valent organic group, m is an integer of 1 or more and 42 or less, and n is an integer of 2 or more and 6 or less.

Abstract: A dental polymerizable composition includes: a first agent including a (meth)acrylate having an acid group and an organic peroxide, and a second agent including a (meth)acrylate having no acid group, a thiourea derivative, and a glass powder, wherein the glass powder includes aluminum, silicon, and at least one of copper or vanadium.

Abstract: One aspect of the invention includes a glass powder for a chemical polymerization initiator, the glass powder including aluminum, silicon, and at least one of copper or vanadium.

Abstract: A metal-supported catalyst, battery electrode, and battery, each having excellent catalytic activity and durability. The metal-supported catalyst includes: a carbon carrier; and catalyst metal particles supported thereon, wherein, in a photoelectron spectrum obtained by X-ray photoelectron spectroscopy, the catalyst exhibits, as a peak derived from a is orbital of a nitrogen atom, a peak to be separated into peaks of first to sixth nitrogen atoms having peak tops in the following respective ranges: (1) 398.6±0.2 eV; (2) 399.5±0.3 eV; (3) 400.5±0.2 eV; (4) 401.3±0.3 eV; (5) 403.4±0.4 eV; and (6) 404.5±0.5 eV, wherein a ratio of a peak area of the second nitrogen atoms to a total peak area of the nitrogen atoms of the (1) to (6) is 0.03 or more, and wherein a ratio of a concentration of the second nitrogen atoms to a concentration of carbon atoms measured by the X-ray photoelectron spectroscopy is 0.0005 or more.

Abstract: One aspect of the present invention relates to a dental fluoroaluminosilicate glass powder, a 50th percentile volume diameter of which is 5.0 ?m or more and 9.0 ?m or less, and a 10th percentile volume diameter of which is 2.4 ?m or more.

Abstract: A dental glass powder includes 15 to 40% by mass of zinc oxide (ZnO), 20 to 55% by mass of silicon oxide (SiO2), 6 to 20% by mass of aluminum oxide (Al2O3), 1 to 13% by mass of calcium oxide (CaO), and 1 to 19% by mass of fluorine (F).

Abstract: One aspect of the present invention relates to a dental fluoroaluminosilicate glass powder, a 50th percentile volume diameter of which is 5.0 pm or more and 9.0 pm or less, and a 10th percentile volume diameter of which is 2.4 pm or more.