Abstract: A toner is provided including a binder resin including at least one polyester resin in an amount of from 50 to 100% by weight, and a colorant having a specific formula, wherein the toner has a shape factor SF-1 of from 120 to 150 and a shape factor SF-2 of from 125 to 180; and a developer using the toner.

Abstract: A method of manufacturing a toner including dispersing a binder resin, a coloring agent and a releasing agent in an organic solvent to obtain an oil phase; dispersing the oil phase in an aqueous medium with a shearing force to obtain a dispersion emulsion; wherein the shearing force is made by a screen or vessel that is situated around a rotor, the screen spinning in a direction opposite to the direction that the rotor spins. Toner produced. Method of using the toner.

Abstract: A method of manufacturing the toner comprising dispersing at least one of a binder resin or a precursor thereof, a coloring agent and a releasing agent in an organic solvent to obtain an oil phase,dispersing the oil phase in an aqueous medium with a shearing force to obtain a dispersion emulsion, wherein the dispersion emulsion process has plural stages and the shear speed A of the emulsification process of stage n is faster than the shear speed B of the emulsification process of stage n+1.

Abstract: A method of manufacturing a toner including granulating mother toner particles in an aqueous medium to obtain a slurry containing the mother toner particles and adjusting a size distribution of the mother toner particles by screening coarse mother toner particles from the slurry with a screen to obtain the toner containing mother toner particulates.

Abstract: A toner prepared by a method including dissolving or dispersing at least at least one member selected from the group consisting of binder resins and precursors thereof, a colorant, a release agent, and a layered inorganic mineral in which ions between its layers are at least partially modified with an organic ion in an organic solvent to prepare a solution or a dispersion which is an oil phase; and dispersing the oil phase in an aqueous medium to prepare an emulsified dispersion in which parent toner particles are granulated, wherein the aqueous medium includes a tertiary amine compound.

Abstract: The object of the present invention is to provide a toner having a uniform composition of toner materials among toner particles, excelling in charge stability, enabling high-quality images without substantially causing fog and toner scattering, and having a small diameter and a narrow particle size distribution. The present invention also provides an effective production method of the toner, and an image forming method and the like using the toner. For this end, the present invention provides a method for producing a toner in which a dissolved and dispersed solution of toner materials is dispersed as dispersion particles in an aqueous medium containing no organic resin fine particles to prepare an oil droplet-in-water dispersion, and organic resin fine particles are added to the oil droplet-in-water dispersion to thereby granulate a toner in the presence of the organic resin fine particles.

Abstract: Toner and a developer which are excellent in cleaning property and fixing property at low temperature, and capable of forming images with high quality are provided. A toner prepared by dispersing and/or emulsifying an oil phase or a monomer phase comprising a toner composition and/or a toner composition precursor in a water-based medium to granulate, wherein the toner has an average circularity of 0.925 to 0.970, and the toner composition and/or the toner composition precursor has a layered inorganic material in which at least a part of interlayer ions in the layered inorganic material has been exchanged with organic ions.

Abstract: A toner including a binder resin, a coloring agent, a releasing agent and a modified laminar inorganic mineral, wherein the toner is granulated by dispersing the coloring agent, the releasing agent, the modified laminar inorganic mineral and at least one of the binder resin and a precursor thereof in an organic solvent to form an oil phase, dispersing the oil phase in an aqueous medium to obtain a dispersion emulsion and removing solvents therefrom, and the toner satisfies the following relationship (1): 0.2?{1/Dv (?m)}×Sb (m2/g)?1.4, where Dv represents a volume average particle diameter of the toner, and Sb represents a BET specific surface area of the toner.

Abstract: A method of manufacturing a toner including forming a wax liquid dispersion in which a wax is dispersed in an organic solvent (A1), mixing an organic layer including the wax liquid dispersion, a binder resin and an organic solvent (A) to form an oil phase and dispersing and emulsifying the oil phase in an aqueous medium to obtain an emulsified liquid dispersion, wherein the aspect ratio average of the wax in the wax liquid dispersion is from 0.3 to 0.7 and the toner includes toner particles satisfying the following relationship (1) in an amount of 20% by number or smaller based on all toner particles: 0.5<D2/D1, relationship (1), where D1 represents the major diameter (D1) of the toner and D2 represents the major diameter of the wax.

Abstract: A toner manufacturing method is provided including emulsion-polymerizing monomers including an aromatic vinyl monomer, to prepare a particulate resin dispersion; mixing the particulate resin dispersion and a colorant dispersion including a black metallic material, to prepare an aggregation dispersion including aggregated resin particles including the colorant therein; heating the aggregation dispersion to a temperature of not less than a glass transition temperature of the particulate resin to unite each of the aggregated particles to prepare a toner dispersion; and washing the toner dispersion to obtain the toner; a toner manufactured by the above method, and a developer using the toner.

Abstract: To provide a toner containing an ethyl acetate-soluble polyester component and an ethyl acetate-insoluble polyester component, wherein the toner is granulated in an aqueous medium, the ethyl acetate-insoluble polyester component is obtained by elongating and/or cross-linking a modified polyester resin during granulating and/or after granulating, the modified polyester resin is produced by condensation polymerization of an acid component and at least one type of diol compound selected from aliphatic diol and alicyclic diol in the presence of a catalyst, and the mass average molecular weight of the modified polyester resin is 10,000 to 100,000.

Abstract: To provide a toner containing an ethyl acetate-soluble polyester component and an ethyl acetate-insoluble polyester component, wherein the toner is granulated in an aqueous medium, the ethyl acetate-insoluble polyester component is obtained by elongating and/or cross-linking a modified polyester resin during granulating and/or after granulating, the modified polyester resin is produced by condensation polymerization of an acid component and at least one type of diol compound selected from aliphatic diol and alicyclic diol in the presence of a catalyst, and the mass average molecular weight of the modified polyester resin is 10,000 to 100,000.

Abstract: A toner including a binder resin, a colorant, and a release agent is provided. The difference in absorbance ratio between the toner heated for 1 minute in an atmosphere of 100° C. and the toner stored in an atmosphere of 23° C. is from 0.1 to 0.2. The absorbance ratio is a ratio of an absorbance specific to the release agent (such as at 2850 cm?1 for a wax) to an absorbance specific to the binder resin (such as at 828 cm?1 for a polyester based binder resin), as measured by a Fourier transform infrared-total reflectance (FTIR-ATR) method.

Abstract: A toner including toner particles including a binder resin; a colorant, a release agent, and a modified layered inorganic material in which at least part of interlayer ions is modified with an organic ion, wherein the toner includes the release agent in an amount of from 3 to 6% by weight based on the total weight of the toner, and concentration of the modified layered inorganic material in a surface portion of the toner is greater than the average concentration thereof in the toner, and wherein the toner is subjected to FTIR-ATR, the ratio (P2850/P828) of the strength of the peak at 2850 cm?1 to that of the peak at 828 cm?1, is from 0.03 to 0.10. An image forming apparatus and a process cartridge which form a toner image using the toner.

Abstract: An object of the present invention is to provide a toner having small-sized and potato-shaped particles created from multiple coherent spherical particles for excellent cleaning ability and high image quality, an image-forming method that realizes high image quality using the toner, and the like. To this end, there is provided a toner, which is produced by granulating toner materials as an organic phase comprising at least a binder resin and a colorant in an aqueous medium and has potato-shaped particles created from multiple coherent primary oil droplets of the organic phase in the aqueous medium.

Abstract: A toner including a binder resin comprising a polyester resin in an amount of from 50 to 100% by weight, wherein the polyester resin includes an unsaturated polyester resin which is preferably a crystalline polyester resin; a colorant; and a fatty acid metal salt which is preferably microencapsulated. A method for preparing a toner including forming particles of a toner composition including at least a binder resin including a polyester resin in an amount of from 50 to 100% by weight and a colorant, in an aqueous medium to prepare a dispersion of a particulate material, wherein the polyester resin includes an unsaturated polyester resin; drying the particulate material; and mixing a fatty acid metal salt with the particulate material to subject double bonds of the unsaturated polyester resin to oxidation polymerization.

Abstract: To provide a toner containing toner particles, wherein each toner particle contains at least: a releasing agent having an average dispersed particle diameter of 0.1 to 0.5 ?m; and a modified layered inorganic mineral in which at least a part of ions present in between layers of a layered inorganic mineral is replaced with an organic ion, wherein the toner has a ratio A/B of 0.2 to 2.0 where A denotes the average dispersed particle diameter of the releasing agent and B denotes an average dispersed particle diameter of the modified layered inorganic mineral, or a proportion of the dispersed particles of the releasing agent having a diameter of 1 ?m or more in the dispersed particles of the releasing agent having a diameter of 0.5 ?m or more is 20% by number or less.

Abstract: Provided is a toner for developing electrostatic image, comprising particles of oil phase containing at least a toner composition and/or toner composition precursor in an aqueous medium, wherein the toner composition and/or toner composition precursor comprises an organic-modified layered inorganic mineral prepared by modifying at least partially an ion of a layered inorganic mineral into an organic ion, and the organic ion-modification ratio X satisfies the relation of 100<X(%)<150 in the organic-modified layered inorganic mineral.

Abstract: To provide a toner containing an ethyl acetate-soluble polyester component and an ethyl acetate-insoluble polyester component, wherein the toner is granulated in an aqueous medium, the ethyl acetate-insoluble polyester component is obtained by elongating and/or cross-linking a modified polyester resin during granulating and/or after granulating, the modified polyester resin is produced by condensation polymerization of an acid component and at least one type of diol compound selected from aliphatic diol and alicyclic diol in the presence of a catalyst, and the mass average molecular weight of the modified polyester resin is 10,000 to 100,000.

Abstract: To provide a developer that includes a carrier and a toner having base particles each containing a binder resin and a paraffin wax, wherein the base particle has a paraffin wax-originated endotherm from 2.0 J/g to 5.5 J/g at an endothermic peak as measured by DSC, an average circularity from 0.94 to 1.00, and a contact area-to-whole projected area ratio from 15% to 40%.