Abstract: A pigment dispersion containing metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.

Abstract: A three-dimension forming material includes a radiation curable compound and a benzotriazole derivative.

Abstract: An ink includes a radiation-curable compound, a liquid matter which is incompatible with the radiation-curable compound and is dispersed in a state of droplets, and a surfactant.

Abstract: A three-dimension forming support material includes a photocurable compound that contains an urethane (meth)acrylate and a non-photocurable polymer having a hydroxyl value of 60 mgKOH/g to 300 mgKOH/g.

Abstract: The present invention is directed to an ultraviolet curing ink jet ink composition which contains at least a polymerizable compound and a photopolymerization initiator, and is free from an aqueous solvent. The polymerizable compound comprises at least a urethane oligomer, and the photopolymerization initiator comprises an acylphosphineoxide and ?-hydroxyketone. The polymerizable compound further comprises an allyl compound and/or an N-vinyl compound.

Abstract: The present invention is directed to an ultraviolet curing ink jet ink composition which contains at least a polymerizable compound and a photopolymerization initiator, and is free from an aqueous solvent. The polymerizable compound comprises at least a urethane oligomer, and the photopolymerization initiator comprises an acylphosphineoxide and ?-hydroxyketone.

Abstract: A liquid composition including: a radical polymerization inhibitor; a solvent; and a surfactant, wherein the content of the radical polymerization inhibitor is 0.1 to 50% by weight.

Abstract: A method of forming an opaque layer includes forming a first layer by discharging droplets of an ink composition containing a metallic pigment on a record medium by an ink-jet recording process and forming a second layer by discharging droplets of an ink composition containing a white pigment on the record medium by an ink-jet recording process. The opaque layer is formed on the record medium on the side where the first layer and the second layer are formed in a region where the first layer and the second layer overlap each other.

Abstract: The present invention provides an ink composition comprising at least a polymerizable compound, a photo-polymerization initiator and a polymerization accelerator, wherein the polymerizable compound comprises en N-vinyl compound, the photo-polymerization initiator comprises two or more compounds selected from the group consisting of bisacylphosphine oxides, monoacylphosphine oxides and ?-amino ketones, and the polymerization accelerator comprises fine particles having a polymerizable functional group. The ink composition of the invention may be a transparent ink composition containing no coloring material. The ink composition of the invention may further contain a fluorescent whitening agent.

Abstract: A recording apparatus includes an endless belt that transports a recording medium by supporting a first surface of a tape-like recording medium on a support surface; and a recording head that performs recording by ejecting ink on a second surface that is an attachment surface coated with an adhesive on the opposite side to the first surface of the recording medium transported by the endless belt.

Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.

Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.

Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.

Abstract: A light emitting device includes a substrate, a light emitting body, a thermally conductive member, and a heat radiation member. The substrate has a first face and a second face which is a face opposite to the first face. The light emitting body is held on a side of the first face of the substrate and emits light. The thermally conductive member is provided so as to be in contact with the second face of the substrate and contains a high thermal conductive material. The heat radiation member is provided so as to be in contact with the thermally conductive member and radiates heat conducted from the substrate through the thermally conductive member.

Abstract: A method for forming a cured product includes applying a photocurable composition to a base and irradiating the photocurable composition with light from a light source to cure the photocurable composition. The light source is at least one of a fluorescent lamp and a light-emitting diode. The photocurable composition contains a dendritic polymer, a polymerizable compound containing active hydrogen, a photopolymerization initiator, and a hindered amine light stabilizer.

Abstract: An ink jet recording method for recording a non-water-based glitter ink on a recording medium, including forming an underlayer, in which a resin ink in which resin components are dispersed or dissolved in a dispersion medium is applied to at least a site of the recording medium on which the non-water-based glitter ink is recorded, thereby forming an underlayer, and recording a glitter ink, in which the non-water-based glitter ink is recorded on the underlayer.

Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.

Abstract: The present invention is directed to an ultraviolet curing ink jet ink composition which contains at least a polymerizable compound and a photopolymerization initiator, and is free from an aqueous solvent. The polymerizable compound comprises at least a urethane oligomer, and the photopolymerization initiator comprises an acylphosphineoxide and ?-hydroxyketone.

Abstract: The present invention provides: an ink composition which contains at least a polymerizable compound, a photopolymerization initiator and a coloring material, and is free from an aqueous solvent, wherein the polymerizable compound comprises at least a urethane oligomer; a two-pack curing ink composition set comprising an ink composition containing a coloring material and a reaction liquid containing a photopolymerization initiator and capable of forming an image with an ink composition obtained by mixing the ink composition and the reaction liquid, wherein the ink composition after mixing contains at least a polymerizable compound, a photopolymerization initiator and a coloring material, and is free from an aqueous solvent, wherein the polymerizable compound comprises a urethane oligomer.

Abstract: A pigment dispersion containing a metal pigment, wherein the metal pigment contains plate-like particles, and in the case where the longitudinal diameter on the planar surface of the plate-like particle is X, the lateral diameter is Y, and the thickness is Z, the 50% average particle diameter R50 of a corresponding circle determined from the surface area in the X-Y plane of the plate-like particle is between 0.5 and 3 ?m, and the condition R50/Z>5 is satisfied.