Abstract: A curable resin composition for producing a three-dimensional object formed of a cured resin product comprises a polyfunctional urethane (meth)acrylate having a weight-average molecular weight of 1,000 or more and 60,000 or less; a monofunctional radically polymerizable compound having one radically polymerizable functional group in a molecule; a polyfunctional radically polymerizable compound other than the polyfunctional urethane (meth)acrylate; rubber particles; and a radical polymerization initiator. The monofunctional radically polymerizable compound includes a monofunctional acrylamide-based compound, and the content of the polyfunctional radically polymerizable compound other than polyfunctional urethane (meth)acrylate (particularly one having a radically polymerizable functional group equivalent of less than 300 g/eq) is controlled.

Abstract: In a photocurable resin composition containing a polyfunctional radically polymerizable compound (A), a monofunctional radically polymerizable compound (B), and a curing agent (D), the polyfunctional radically polymerizable compound (A) has an ethylenically unsaturated group equivalent of 700 g/eq or more and 7,000 g/eq or less, and fluororesin particles (C) are added in an amount of 5 parts or more by mass and 30 parts or less by mass based on a total of 100 parts by mass of the polyfunctional radically polymerizable compound (A) and the monofunctional radically polymerizable compound (B).

Abstract: A curable resin composition for producing a three-dimensional object formed of a cured resin product comprises a polyfunctional urethane (meth)acrylate having a weight-average molecular weight of 1,000 or more and 60,000 or less; a monofunctional radically polymerizable compound having one radically polymerizable functional group in a molecule; a polyfunctional radically polymerizable compound other than the polyfunctional urethane (meth)acrylate; rubber particles; and a radical polymerization initiator. The monofunctional radically polymerizable compound includes a monofunctional acrylamide-based compound, and the content of the polyfunctional radically polymerizable compound other than polyfunctional urethane (meth)acrylate (particularly one having a radically polymerizable functional group equivalent of less than 300 g/eq) is controlled.

Abstract: Provided is a curable resin composition including (A) a (meth)acrylic compound having a number-average molecular weight of 5,000 or less and represented by the formula (1) (R1 is a hydrogen atom, etc., L1 and L2 each represent an alkylene group, etc., L3 represents a divalent linking group having an ether structure, etc. and Q1 to Q3 each represent a divalent linking group —O—, etc.), (B) a (meth)acrylic organosiloxane compound having a number-average molecular weight of 1,000 or less and represented by the following formula (2) (R3 represents a hydrogen atom, etc., R4 represents an alkyl group, etc., L4 represents a single bond, etc., Q4 represents a single bond, etc., and m stands for an average number of repeating constituting units) and (C) a curing agent. A (meth)acrylic compound (A):(meth)acrylic organosiloxane compound (B) mass ratio is 40:60 to 85:15.

Abstract: A curable resin composition includes (A) a specific curable resin and (C) a curing agent, and further includes (BI) 0.1 parts by mass or more and 20 parts by mass or less of a polyhydric alcohol having 2 to 5 hydroxyl groups, based on based on 100 parts by mass of the curable resin (A); (BII) a cyclic compound having 3 to 6 reactive groups and a reactive group equivalent of 100 g/eq or more and 300 g/eq or less; or (BIII) a specific oxetane compound in a mass ratio of the curable resin (A) to the oxetane compound (BIII) being 5:5 to 9:1.

Abstract: A photocurable resin composition for three-dimensional modeling containing a polyfunctional radically polymerizable compound (A), a monofunctional radically polymerizable compound (B), a polysilsesquioxane-containing particle (C), and a curing agent (D), wherein the polyfunctional radically polymerizable compound (A) has an ethylenically unsaturated group equivalent of 700 g/eq or more and 7,000 g/eq or less, and a polysilsesquioxane-containing particle (C) content is 5 parts by mass or more and 50 parts by mass or less per 100 parts by mass of the polyfunctional radically polymerizable compound (A) and the monofunctional radically polymerizable compound (B) in total.

Abstract: An ultrasound phantom comprising: water; agar; a thickening polysaccharide; and a water-retention auxiliary agent, wherein when a first phase transition point is defined as a temperature at which an aqueous dispersion liquid of the agar is solated by temperature raising and becomes a solated aqueous solution of the agar, and a second phase transition point is defined as a temperature at which the solated aqueous solution of the agar is gelated by temperature lowering, the thickening polysaccharide does not have a phase transition point at which an aqueous solution of the thickening polysaccharide is gelated by temperature lowering in a temperature range from the second phase transition point to the first phase transition point, and a polar term ?P of Hansen solubility parameters of the water-retention auxiliary agent is 13.0 MPa0.5 or more.

Abstract: A curable resin composition for producing a three-dimensional object formed of a cured resin product comprises a polyfunctional urethane (meth)acrylate having a weight-average molecular weight of 1,000 or more and 60,000 or less; a monofunctional radically polymerizable compound having one radically polymerizable functional group in a molecule; a polyfunctional radically polymerizable compound other than the polyfunctional urethane (meth)acrylate; rubber particles; and a radical polymerization initiator. The monofunctional radically polymerizable compound includes a monofunctional acrylamide-based compound, and the content of the polyfunctional radically polymerizable compound other than polyfunctional urethane (meth)acrylate (particularly one having a radically polymerizable functional group equivalent of less than 300 g/eq) is controlled.

Abstract: A curable resin composition for three-dimensional molding including a cationic polymerizable compound (A); an inorganic particle (B); and a curing agent (C), in which a flexural modulus of a cured product obtained by polymerizing a composition consisting of the cationic polymerizable compound (A) and the curing agent (C) is 2.0 GPa or more, the inorganic particle (B) has a layered crystal structure, a content of the inorganic particle (B) is 10 parts by mass or more and 30 parts by mass or less, relative to total 100 parts by mass of the cationic polymerizable compound (A) and the inorganic particle (B), and the curable resin composition having a thickness of 200 ?m has a light transmittance including forward scattering of 0.1% or more at a wavelength of 365 nm or 405 nm.

Abstract: Provided is a curable resin composition including (A) a (meth)acrylic compound having a number-average molecular weight of 5,000 or less and represented by the formula (1) (R1 is a hydrogen atom, etc., L1 and L2 each represent an alkylene group, etc., L3 represents a divalent linking group having an ether structure, etc. and Q1 to Q3 each represent a divalent linking group —O—, etc.), (B) a (meth)acrylic organosiloxane compound having a number-average molecular weight of 1,000 or less and represented by the following formula (2) (R3 represents a hydrogen atom, etc., R4 represents an alkyl group, etc., L4 represents a single bond, etc., Q4 represents a single bond, etc., and m stands for an average number of repeating constituting units) and (C) a curing agent. A (meth)acrylic compound (A):(meth)acrylic organosiloxane compound (B) mass ratio is 40:60 to 85:15.

Abstract: A curable resin composition includes (A) a specific curable resin and (C) a curing agent, and further includes (BI) 0.1 parts by mass or more and 20 parts by mass or less of a polyhydric alcohol having 2 to 5 hydroxyl groups, based on based on 100 parts by mass of the curable resin (A); (BII) a cyclic compound having 3 to 6 reactive groups and a reactive group equivalent of 100 g/eq or more and 300 g/eq or less; or (BIII) a specific oxetane compound in a mass ratio of the curable resin (A) to the oxetane compound (BIII) being 5:5 to 9:1.

Abstract: A compound that improves the dispersibility of pigments in non-water-soluble solvents is provided, the compound having a pigment dispersant, a pigment composition, a pigment dispersion, and a toner wherein the compound has a polymer and a monoazo compound having a certain structure binding to each other.

Abstract: A spiro[cyclopenta[def]triphenylene-4,9?-fluorene] compound having a high triplet energy level and a high glass transition temperature further providing an excellent organic light-emitting device including the compound to achieve a high luminous efficiency and a low driving voltage.

Abstract: The present invention provides a compound capable of improving the dispersibility of color pigments in a water-insoluble solvent; and a pigment-dispersing agent. The present invention also provides a pigment composition, a pigment dispersion, and a toner, which have satisfactory tinting strength. The present invention provides the compound containing a polymer having a monomer unit having a specific chemical structure, the compound having a moiety also having a specific structure.

Abstract: The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.

Abstract: Provided are a method of producing a compound having a colorant structure suitable for a pigment dispersant, and a pigment dispersant, a pigment composition, a pigment dispersion, and a toner each containing the compound. The production method is a method of producing a compound in which a polymer portion and a colorant portion are bonded to each other through a linking group, the method including the steps of: (a) polymerizing a vinyl-based polymerizable monomer represented by the formula (A) with a radical initiator having a protective group by living radical polymerization to provide a polymer having the protective group at a terminal thereof; (b) hydrolyzing the protective group of the polymer having the protective group at a terminal thereof obtained by the step (a) to deprotect the polymer; and (c) bonding the deprotected polymer obtained by the step (b) and a colorant to each other through a covalent bond.

Abstract: The present invention provides a compound capable of improving the dispersibility of yellow, magenta, cyan, and black pigments in a water-insoluble solvent and a pigment-dispersing agent. The present invention also provides a pigment composition, a pigment dispersion, and a toner, which have satisfactory tinting strength. The present invention relates to a compound having a structure in which an azo skeleton structure is bound to a polymer portion via a linking group in the azo skeleton structure.

Abstract: A pigment dispersion containing a pigment, a non-water-soluble solvent, a compound in which an specific azo skeleton structure is bonded to a specific polymer having a monomer unit given, and a polymer compound having a monomer unit that contains a structure selected from the partial structures given by the specific formulas (3) and (4).

Abstract: Provided is a compound that improves dispersibility of a pigment in a non-water-soluble solvent, and a pigment dispersing agent, a pigment composition, a pigment dispersion and a toner that use that compound. The present invention relates to a compound in which a polymer and a monoazo compound having a specific structure are bonded. The present invention further relates to a pigment dispersing agent, a pigment composition, a pigment dispersion and a toner containing that compound.

Abstract: To provide a method for producing a compound that enhances dispersibility of a pigment of respective colors in a water-insoluble solvent, as well as a pigment dispersant, and a pigment composition, a pigment dispersion and a toner having a good tinting power. A method for producing a compound, including the following: (i): subjecting a polymerizable monomer forming a monomer unit represented by formula (1) to radical polymerization in the presence of a radical polymerization initiator and an iodine molecule to provide a polymer; and (ii): binding a colorant to a terminal of a main chain of the polymer: wherein R1 represents a hydrogen atom and an alkyl group, and R2 represents a phenyl group, a carboxyl group, an alkoxycarbonyl group or a carboxamide group.