Abstract: An ultraviolet ray curable ink composition adapted to be ejected by using an ink jet method is provided. The ultraviolet ray curable ink composition includes a polymerizable compound, metal powder, and a polyether based solvent. The metal powder is constituted from metal particles subjected to a surface treatment with a fluorine type silane compound and/or a fluorine type phosphoric acid ester as a surface treatment agent. An amount of the polyether based solvent contained in the ultraviolet ray curable ink composition is in the range of 0.05 mass % or more but 7.0 mass % or less. A printed object is also provided. Such a printed object is produced by using the ultraviolet ray curable ink composition.

Abstract: An ultraviolet ray curable ink composition adapted to be ejected by using an ink jet method is provided. The ultraviolet ray curable ink composition includes a polymerizable compound, metal powder, and a liquid component having an alicyclic structure including a hetero atom. The metal powder is constituted from metal particles subjected to a surface treatment with a fluorine type silane compound and/or a fluorine type phosphoric acid ester as a surface treatment agent. An amount of the liquid component contained in the ultraviolet ray curable ink composition is in the range of 0.05 mass % or more but 7.0 mass % or less. A printed object is also provided. Such a printed object is produced by using the ultraviolet ray curable ink composition.

Abstract: The invention provides metal powder constituted from metal particles. Each of the metal particles comprises a base particle having a surface and a metal material constituting at least the surface of the base particle. The base particle is subjected to a surface treatment with a fluorine type phosphoric acid ester. Further, the invention also provides an ultraviolet ray curable ink jet composition to be ejected by using an ink jet method. The ultraviolet ray curable ink jet composition comprises a polymerizable compound and metal powder constituted from metal particles. The metal particles of the metal powder are subjected to a surface treatment with a fluorine type phosphoric acid ester.

Abstract: The invention provides metal powder constituted from metal particles. Each of the metal particles comprises a base particle having a surface and a metal material constituting at least the surface of the base particle. The base particle is subjected to a surface treatment with a fluorine type phosphoric acid ester. Further, the invention also provides an ultraviolet ray curable ink jet composition to be ejected by using an ink jet method. The ultraviolet ray curable ink jet composition comprises a polymerizable compound and metal powder constituted from metal particles. The metal particles of the metal powder are subjected to a surface treatment with a fluorine type phosphoric acid ester.

Abstract: Provided is a manufacturing method of a three-dimensional structure which manufactures a three-dimensional structure by laminating layers, the method including: forming the layers using a three-dimensional formation composition containing three-dimensional formation powders, a solvent, and a binder; discharging a binding solution containing a binding agent to the layers; and performing a permeation prevention step of preventing the solvent from permeating the layers, at least on a part of the layers to which the binding solution is discharged. It is preferable that the permeation prevention process is selectively performed with respect to an area of the layers to which the binding solution is not discharged.

Abstract: The method of manufacturing a three-dimensional structure, in which the three-dimensional structure is manufactured by laminating a layer, includes the steps of: forming the layer using a three-dimension formation composition containing a particle and a light stabilizer A; and discharging a binding solution containing a binder and a light stabilizer B to the layer, in which, when the content ratio of the light stabilizer A contained in the three-dimension formation composition is represented by A (mass %) and the content ratio of the light stabilizer B contained in the binding solution is represented by B, a relationship of 2?A/B?4 is satisfied.

Abstract: The present invention is to provide a method of manufacturing a three-dimensional structure capable of manufacturing a three-dimensional structure having excellent mechanical strength with high productivity, a three-dimensional structure manufacturing apparatus capable of manufacturing a three-dimensional structure having excellent mechanical strength with high productivity, and a three-dimensional structure manufactured using the method of manufacturing a three-dimensional structure. The method includes a layer formation step of forming a layer using a composition including particles and an aqueous solvent; and a binding liquid application step of applying a binding liquid to the layer to bind the particles, in which a temporary formed body obtained by repeating a series of steps including the layer formation step and the binding liquid application step, and the method further includes a temporary formed body heating step of performing a heating treatment on the temporary formed body.

Abstract: There are provided a method of manufacturing a three-dimensional structure, and three-dimension formation composition, by each which a three-dimensional structure can be manufactured with high dimensional accuracy, and provided a three-dimensional structure manufactured with high dimensional accuracy. There is provided a method of manufacturing a three-dimensional structure, in which the three-dimensional structure is manufactured by laminating a layer, the method including: forming the layer using a three-dimension formation composition containing particles, a binding resin, and a water-based solvent; removing the water-based solvent from the layer by heating the layer; and applying a binding solution containing a binder to the layer, in which the binding resin has an ammonium salt of a carboxyl group as a functional group.

Abstract: Provided is a three-dimensional shaped article with relatively high strength and relatively high accuracy. A sintering and shaping method includes: a shaping layer forming process of forming a shaping layer (5) by using a sintering and shaping material in which inorganic particles (2a) are included; a process of applying a liquid binding agent (8), in which inorganic particles (8a) are included, to a desired region of the shaping layer (5); a process of curing the liquid binding agent (8), which is applied, to form a shaping cross-sectional layer (shaping portion (5a)); a process of removing a region (non-shaping portion (5b)) of the shaping layer (5) to which the liquid binding agent (8) is not applied; and a process of heating the shaping cross-sectional layer that is laminated for a sintering treatment.

Abstract: The invention provides metal powder constituted from metal particles. Each of the metal particles comprises a base particle having a surface and a metal material constituting at least the surface of the base particle. The base particle is subjected to a surface treatment with a fluorine type phosphoric acid ester. Further, the invention also provides an ultraviolet ray curable ink jet composition to be ejected by using an ink jet method. The ultraviolet ray curable ink jet composition comprises a polymerizable compound and metal powder constituted from metal particles. The metal particles of the metal powder are subjected to a surface treatment with a fluorine type phosphoric acid ester.

Abstract: A technique that makes it possible to improve the accuracy of modeling in a three-dimensional modeling apparatus for modeling a three-dimensional object by discharging a liquid to a powder composition layer is provided. The three-dimensional modeling apparatus includes a powder composition layer forming unit for forming a powder composition layer using a powder-containing composition containing powder; a head unit from which a curable liquid is discharged to a first surface of the powder composition layer; and a curing energy applying unit for applying curing energy to the liquid at a time that is after the liquid is discharged from the head unit, before the liquid permeates the powder composition layer and reaches a second surface of the powder composition layer, and at which at least a portion of the liquid exists on the head unit side with respect to the first surface of the powder composition layer.

Abstract: The invention provides metal powder constituted from metal particles. Each of the metal particles comprises a base particle having a surface and a metal material constituting at least the surface of the base particle. The base particle is subjected to a surface treatment with a fluorine type phosphoric acid ester. Further, the invention also provides an ultraviolet ray curable ink jet composition to be ejected by using an ink jet method. The ultraviolet ray curable ink jet composition comprises a polymerizable compound and metal powder constituted from metal particles. The metal particles of the metal powder are subjected to a surface treatment with a fluorine type phosphoric acid ester.

Abstract: A three-dimensionally shaped article production member is a member used in a three-dimensionally shaped article production apparatus for producing a three-dimensionally shaped article by stacking a layer formed using a composition containing particles. The member is placed on a stage and comes in contact with the layer, and has a portion provided with pores in a contact surface with the layer.

Abstract: An ultraviolet ray curable ink composition is provided. The ultraviolet ray curable ink composition contains a polymerizable compound; and an aluminum pigment subjected to a surface treatment with a phosphate compound. The aluminum pigment subjected to the surface treatment with the phosphate compound is subjected to an X-ray photoelectron spectrometer to obtain an X-ray photoelectron spectrum having a wave form. Thereafter, when a waveform separation was performed by using a Voigt function in such an X-ray photoelectron spectrum, the X-ray photoelectron spectrum has peaks in the rage of 190 eV or more but 192 eV or less. A printed object is also provided. The printed object is produced by applying the ultraviolet ray curable ink composition onto a recording medium, and then irradiating the ultraviolet ray curable ink composition with an ultraviolet ray.

Abstract: A method for producing a three-dimensionally shaped object by stacking layers includes forming each layer using a three-dimensional shape composition containing particles, measuring the thickness of the layer, and ejecting onto the layer a liquid binder containing a binding agent capable of binding the particles. For the ejecting, the amount of the liquid binder to be ejected per unit area of the layer when viewed from above is adjusted according to the result of the measuring.

Abstract: The invention provides metal powder constituted from metal particles. Each of the metal particles comprises a base particle having a surface and a metal material constituting at least the surface of the base particle. The base particle is subjected to a surface treatment with a fluorine type phosphoric acid ester. Further, the invention also provides an ultraviolet ray curable ink jet composition to be ejected by using an ink jet method. The ultraviolet ray curable ink jet composition comprises a polymerizable compound and metal powder constituted from metal particles. The metal particles of the metal powder are subjected to a surface treatment with a fluorine type phosphoric acid ester.

Abstract: A three-dimensional shaping composition of this invention is a three-dimensional shaping composition which is used for producing a three-dimensionally shaped article by laminating layers and contains particles having a hydrophilic surface and water-soluble monomers having a hydroxyl group. The water-soluble monomer is preferably at least one selected from the group consisting of 4-hydroxybutyl acrylate, 2-hydroxybutyl acrylate, 2-hydroxypropyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, and phenol epoxy acrylate.

Abstract: An ultraviolet ray curable ink composition is provided. The ultraviolet ray curable ink composition contains a polymerizable compound; and an aluminum pigment subjected to a surface treatment with a phosphate compound. The aluminum pigment subjected to the surface treatment with the phosphate compound is subjected to an X-ray photoelectron spectrometer to obtain an X-ray photoelectron spectrum having a wave form. Thereafter, when a waveform separation was performed by using a Voigt function in such an X-ray photoelectron spectrum, the X-ray photoelectron spectrum has peaks in the rage of 190 eV or more but 192 eV or less. A printed object is also provided. The printed object is produced by applying the ultraviolet ray curable ink composition onto a recording medium, and then irradiating the ultraviolet ray curable ink composition with an ultraviolet ray.

Abstract: There is provided a method of manufacturing a three-dimensional structure, in which the three-dimensional structure is manufactured by laminating a layer, the method including: forming the layer using a three-dimension formation composition containing particles having hydrophilicity on a surface thereof, a water-soluble resin, and a water-based solvent; and discharging an ultraviolet-curable ink containing a water-soluble monomer onto the layer.

Abstract: There is provided a method of manufacturing a three-dimensional structure, in which the three-dimensional structure is manufactured by laminating a layer, the method including: forming the layer using a three-dimension formation composition containing particles having an isocyanate group on a surface thereof, a water-soluble resin having a hydroxyl group, and a water-based solvent; and discharging a curable ink onto the layer.