Abstract: In a method for manufacturing a dispersion which includes a dispersion medium and particles dispersed therein, the method includes bringing at least two types of liquids into contact with each other to form a reaction product comprising the particles, wherein the liquids are ejected from respective nozzles to be brought into contact with each other and then to flow in an integrated manner while forming a spiral flow.

Abstract: An imprint apparatus of the present invention that molds and cures an imprint material on a substrate using a mold to form a pattern on the substrate. The imprint apparatus includes a supply unit configured to supply a gas into a gap between the imprint material on the substrate and the mold. The supply unit is configured to supply a mixed gas in which a permeable gas, which permeates at least one of the mold, the imprint material and the substrate, and a condensable gas, which is liquefied under a pressure generated by the molding, is mixed with each other.

Abstract: A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.

Abstract: A process for producing a liquid composition including a pigment and a stimuli-responsive dispersant, the pigment being contained in the liquid composition in a dispersed state, the process including (1) obtaining a solution dissolving the pigment in a first solvent and (2) mixing the solution with a second solvent, wherein the stimuli-responsive dispersant is contained in at least one solvent of the first and second solvents. The first solvent is an aprotic solvent. The second solvent is water or an aqueous solution.

Abstract: A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.

Abstract: The present invention provides a method of producing a pigment dispersion, comprising the steps of: preparing a solution in which two or more color pigments and a dispersant are dissolved in a solvent containing an aprotic organic solvent in the presence of an alkali; preparing a medium that decreases a solubility of the two or more color pigments by being added to the solution; feeding the solution and the medium to respective microchannels; and depositing the two or more color pigments by merging the solution and the medium transported through the respective microchannels.

Abstract: A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.

Abstract: A process for preparing a pigment dispersion, which comprises mixing a first solvent composed of an organic solvent in which a pigment has been dissolved with a second solvent which lowers the solubility of the pigment in the presence of a dispersant, thereby precipitating and dispersing particles of the pigment in a mixed solvent, wherein a pigment derivative to which a hydrophobic substituent having affinity for the first solvent has been bonded is used as the pigment.

Abstract: Provided is a method for producing a pigment, in particular, a metal phthalocyanine, in high yield and in a green process. The method has (1) a step of obtaining a solution mixture by mixing at least one type of compound serving as a raw material for a pigment with a solvent, and (2) a step of obtaining the pigment by reacting the compound while holding the solution mixture at not less than a temperature where a subcritical state or a supercritical state of the solvent occurs.

Abstract: A process for producing a pigment complex including the steps of dissolving a pigment in a supercritical state or subcritical state fluid and contacting the fluid containing the dissolved pigment with a polymer-containing solution.

Abstract: In a method for manufacturing a dispersion which includes a dispersion medium and particles dispersed therein, the method includes bringing at least two types of liquids into contact with each other to form a reaction product comprising the particles, wherein the liquids are ejected from respective nozzles to be brought into contact with each other and then to flow in an integrated manner while forming a spiral flow.

Abstract: A mixing apparatus including a plurality of nozzle groups each formed of nozzles for ejecting the same fluid arranged in group, the nozzles being provided with openings for ejecting fluid, to cause the plurality of nozzle groups to separately eject a plurality of fluids to mix the fluids in areas on the extending lines of the nozzles, wherein the openings of the nozzles forming the nozzle groups are arranged along annular loci and the plurality of nozzle groups are arranged coaxially to each other, a plurality of supplying channels for supplying the plurality of fluids to the nozzle groups corresponding to the plurality of nozzle groups are annular in cross section in the direction perpendicular to the direction in which fluid supplied to the supplying channels flows and arranged coaxially to each other.

Abstract: A method for producing a pigment dispersion, including the steps of: preparing a fluid in a supercritical or subcritical state in which a pigment is dissolved; and introducing into a microreactor the fluid in a supercritical or subcritical state in which the pigment is dissolved and a solution containing a dispersant for dispersing the pigment in a dispersing medium, precipitating the pigment in the microreactor, and dispersing the precipitated pigment in the dispersing medium using the dispersant.

Abstract: A method for manufacturing a dispersion, the method including a step of forming a reaction product by allowing at least two types of liquids to react with each other, the dispersion including a dispersion medium and particles formed from the reaction product dispersed therein. In the method described above, the at least two types of liquids are ejected from independently provided respective nozzles so that traveling directions of the liquids ejected therefrom intersect with each other at an angle of 120° or less and so that the liquids then flow in an integrated manner, whereby the reaction product is generated.

Abstract: A mixing apparatus including a plurality of nozzle groups each formed of nozzles for ejecting the same fluid arranged in group, the nozzles being provided with openings for ejecting fluid, to cause the plurality of nozzle groups to separately eject a plurality of fluids to mix the fluids in areas on the extending lines of the nozzles, wherein the openings of the nozzles forming the nozzle groups are arranged along annular loci and the plurality of nozzle groups are arranged coaxially to each other, a plurality of supplying channels for supplying the plurality of fluids to the nozzle groups corresponding to the plurality of nozzle groups are annular in cross section in the direction perpendicular to the direction in which fluid supplied to the supplying channels flows and arranged coaxially to each other.

Abstract: Provided is a method for producing a pigment, in particular, a metal phthalocyanine, in high yield and in a green process. The method has (1) a step of obtaining a solution mixture by mixing at least one type of compound serving as a raw material for a pigment with a solvent, and (2) a step of obtaining the pigment by reacting the compound while holding the solution mixture at not less than a temperature where a subcritical state or a supercritical state of the solvent occurs.

Abstract: A process for producing a liquid composition including a pigment and a stimuli-responsive dispersant, the pigment being contained in the liquid composition in a dispersed state, the process including (1) obtaining a solution dissolving the pigment in a first solvent and (2) mixing the solution with a second solvent, wherein the stimuli-responsive dispersant is contained in at least one solvent of the first and second solvents. The first solvent is an aprotic solvent. The second solvent is water or an aqueous solution.

Abstract: A process for producing pigment particles with a polymer chain formed on the surfaces of the particles by grafting, the process including (1) causing a dispersant composed of a polymer compound having a polymerization initiation group to be contained in either one solvent of a first solvent and a second solvent, (2) obtaining a solution dissolving a pigment in the first solvent, (3) mixing the solution with the second solvent to precipitate pigment particles having the polymerization initiation group on the surfaces thereof, and (4) forming a polymer chain through grafting from the polymerization initiation group on the surfaces of the pigment particles.

Abstract: A method for producing a liquid composition containing pigment particles is provided including (1) maintaining a mixture of a solvent and pigments of at least two types including a pigment A insoluble in the solvent at a normal temperature and a normal pressure, and a pigment B soluble in the solvent at the normal temperature and the normal pressure, at a temperature exceeding the normal temperature and a pressure exceeding the normal pressure, thereby obtaining a pigment solution in which the pigment A and the pigment B are dissolved; and (2) cooling the pigment solution to a temperature precipitating a deposition of the pigment A or lower, thereby precipitating pigment particles containing the pigment A and the pigment B.

Abstract: The present invention provides a method of producing a pigment dispersion, comprising the steps of: preparing a solution in which two or more color pigments and a dispersant are dissolved in a solvent containing an aprotic organic solvent in the presence of an alkali; preparing a medium that decreases a solubility of the two or more color pigments by being added to the solution; feeding the solution and the medium to respective microchannels; and depositing the two or more color pigments by merging the solution and the medium transported through the respective microchannels.