Abstract: A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.

Abstract: A dispersion liquid composition for ink containing a non-water-soluble coloring agent, a water-soluble polysaccharide compound, a multivalent metal salt, a dispersant, and water; and an ink composition containing the dispersion liquid composition for ink. An ink-jet printing method using the ink composition, an ink-jet printed article printed by the ink-jet printing method, a sublimation transfer dyeing method using the ink-jet printed article, and a sublimation transfer dyed article dyed by the sublimation transfer dyeing method.

Abstract: An ink composition for inkjet textile printing containing a urethane resin, a dispersant and a disperse dye, in which the content of the urethane resin is greater than 0.035 mass % but less than 6 mass %, and a method for textile printing of hydrophobic fibers using the ink composition.

Abstract: A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.

Abstract: Disclosed is an ink emulsion composition that, when used as an ink composition, retains a high concentration of a colorant and exhibits good re-dispersibility after drying, and that causes no change in the physical properties of the ink when stored for a long period of time. The ink emulsion composition contains: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound in an amount of more than 0.18 mass %, the compound (C) being represented by formula (1): where t represents 1 to 5.

Abstract: An ink composition for inkjet printing, the ink composition containing a linear diol compound which has 4 or more carbon atoms and has hydroxide groups on both ends of the molecular structure thereof, a dispersing dye and a dispersant; and a textile printing method for a hydrophobic fiber by using the ink composition for inkjet printing.

Abstract: A dispersion composition that has good storage stability, achieves high density of a colorant when used as ink, has good redispersibility after drying, and preserves the physical properties of ink when stored for a long period of time is provided. The dispersion composition comprises: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound represented by the following formula (1): where t represents 1 to 5, wherein a content of (C) the compound represented by the formula (1) is more than 0.18 mass %, and a sum total of a sodium ion concentration, a potassium ion concentration, and a lithium ion concentration in the ink dispersion composition is 6800 ppm or less.

Abstract: A pigment ink composition that exhibits good ejectability, particularly after standing in an open environment, and an inkjet textile printing method and a dyeing method using the ink composition. The ink composition for inkjet textile printing includes a pigment, water, a polymeric dispersant, a urethane resin, a water-soluble organic solvent, and a nonionic surfactant.

Abstract: An ink composition for inkjet textile printing containing a urethane resin, a dispersant and a disperse dye, in which the content of the urethane resin is greater than 0.035 mass % but less than 6 mass %, and a method for textile printing of hydrophobic fibers using the ink composition.

Abstract: Disclosed is an ink emulsion composition that, when used as an ink composition, retains a high concentration of a colorant and exhibits good re-dispersibility after drying, and that causes no change in the physical properties of the ink when stored for a long period of time. The ink emulsion composition contains: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound in an amount of more than 0.18 mass %, the compound (C) being represented by formula (1): where t represents 1 to 5.

Abstract: Disclosed is an ink emulsion composition that, when used as an ink composition, retains a high concentration of a colorant and exhibits good re-dispersibility after drying, and that causes no change in the physical properties of the ink when stored for a long period of time. The ink emulsion composition contains: (A) a dye and/or a pigment; (B) a styrene-(meth)acrylic copolymer; and (C) a compound in an amount of more than 0.18 mass %, the compound (C) being represented by formula (1): where t represents 1 to 5.

Abstract: A pigment ink composition that exhibits good ejectability, particularly after standing in an open environment, and an inkjet textile printing method and a dyeing method using the ink composition. The ink composition for inkjet textile printing includes a pigment, water, a polymeric dispersant, a urethane resin, a water-soluble organic solvent, and a nonionic surfactant.

Abstract: A developing apparatus has a developer supporting member 41 with a surface roughness RZ in the range from 3.0 to 5.5 &mgr;m and a one-component developer T with a bulk density in the range from 0.35 to 0.55 g/ml, and an image is developed by forming a layer of the developer T on the developer supporting member 41. This makes it possible to form a thin toner layer stably despite changes in ambient conditions, and to prevent low image density and fogging. The absolute value of the amount of electric charge with which the developer T is charged is preferably in the range from 3.0 to 10.0 &mgr;C/g. The developer supporting member 41 is made preferably of stainless steel.

Abstract: A developing apparatus has a developer supporting member 41 with a surface roughness RZ in the range from 3.0 to 5.5 &mgr;m and a one-component developer T with a bulk density in the range from 0.35 to 0.55 g/ml, and an image is developed by forming a layer of the developer T on the developer supporting member 41. This makes it possible to form a thin toner layer stably despite changes in ambient conditions, and to prevent low image density and fogging. The absolute value of the amount of electric charge with which the developer T is charged is preferably in the range from 3.0 to 10.0 &mgr;C/g. The developer supporting member 41 is made preferably of stainless steel.

Abstract: In a magnetic one-component toner containing at least a binder resin, a charge control resin, and a magnetic powder, the charge control resin has a weight-average molecular weight of 1.5×104 or less, contains 8 to 15% by weight of functional groups, and is added in 5 to 20 parts by weight to 100 parts by weight of the binder resin. This makes the toner highly safe for humans and the environment and excellent in fixability and electric chargeability.

Abstract: This invention provides an electrophotographic toner comprising the polyester resin being fixing resin and the electric charge control resin having the functional group that endows positively charging property to the toner, in which the polyester resin has an acid value of not more than 10 mgKOH/g and a hydroxyl value of not more than 40 mgKOH/g, and the functional group is present in 2 to 5 mol % in the electric charge control resin. This electrophotographic toner has stable positively charging property, so that good image is obtainable.