Abstract: A method of producing an electrostatic latent image developing toner that includes the steps of producing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that includes a polymerizable monomer having a vinyl-based double bond, and washing the resin particle dispersion through contact with an organic solvent, wherein the washed resin particle dispersion, a colorant particle dispersion produced by dispersing a colorant, and a release agent particle dispersion produced by dispersing a release agent are mixed together, and following formation of aggregate particles by aggregation of the resin particles, the colorant particles and the release agent particles, heating is conducted to fuse the aggregate particles and produce the electrostatic latent image developing toner.

Abstract: An electrostatic image developing toner includes toner particles that contain a binding resin, a coloring agent and a release agent and that have D50 of from about 2.0 ?m to about 8.0 ?m, D50 standing for a volume-average particle size of the toner particles; and non-colored release agent particles, wherein out of the non-colored release agent particles, those ranging in volume-average particle size of from about 0.8 to about 1.2 times a value of D50 are present in a proportion of about 50 or below per 5,000 of the toner particles.

Abstract: A method of producing an electrostatic latent image developing toner that includes the steps of producing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that includes a polymerizable monomer having a vinyl-based double bond, and washing the resin particle dispersion through contact with an organic solvent, wherein the washed resin particle dispersion, a colorant particle dispersion produced by dispersing a colorant, and a release agent particle dispersion produced by dispersing a release agent are mixed together, and following formation of aggregate particles by aggregation of the resin particles, the colorant particles and the release agent particles, heating is conducted to fuse the aggregate particles and produce the electrostatic latent image developing toner.

Abstract: A method of producing an electrostatic latent image developing toner includes: preparing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that comprises a polymerizable monomer comprising a vinyl-based double bond; extracting a liquid from the resin particle dispersion by heating; mixing the distilled resin particle dispersion with a colorant particle dispersion prepared by dispersing a colorant; and aggregating the resin particles, the pigment particles and a release agent particles to form aggregate particles, and then conducting heating to fuse the aggregate particles.

Abstract: A method of producing an electrostatic latent image developing toner includes: preparing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that comprises a polymerizable monomer comprising a vinyl-based double bond; extracting a liquid from the resin particle dispersion by heating; mixing the distilled resin particle dispersion with a colorant particle dispersion prepared by dispersing a colorant; and aggregating the resin particles, the pigment particles and a release agent particles to form aggregate particles, and then conducting heating to fuse the aggregate particles.

Abstract: An electrostatic image developing toner includes toner particles that contain a binding resin, a coloring agent and a release agent and that have D50 of from about 2.0 ?m to about 8.0 ?m, D50 standing for a volume-average particle size of the toner particles; and non-colored release agent particles, wherein out of the non-colored release agent particles, those ranging in volume-average particle size of from about 0.8 to about 1.2 times a value of D50 are present in a proportion of about 50 or below per 5,000 of the toner particles.

Abstract: An electrostatic latent image toner in which the quantity within the toner of alkyl carboxylate esters formed from a carboxylic acid containing from approximately 3 to 5 carbon atoms and an alkyl group containing from approximately 3 to 5 carbon atoms is no more than approximately 4 ppm.

Abstract: The invention provides a toner for developing electrostatic latent images containing at least a binder resin, a colorant, a releasing agent, and a graft polymer that has been made by graft polymerization of a resin matrix and a macromonomer including at least one group selected from the group consisting of a hydroxyl group, a hydroxyalkyl group, and a pyrolidonyl group, and a production method thereof. The invention further provides an electrostatic latent image developer using the toner, an image forming method using the toner, and an image forming apparatus.

Abstract: A toner for electrophotography contains a binder resin and a coloring agent, and is characterized in that the binder resin contains a crystalline polyester resin, and a low-molecular compound having at least one of a naphthalene skeleton and a biphenyl skeleton, and the crystalline polyester resin contains 0.5 to 30 construction mole % of an aromatic dicarboxylic acid-derived constitutional component. Further, a developer for electrophotography and an image forming method using the toner for electrophotography are disclosed.

Abstract: An electrostatic latent image developing toner is provided for which if surface area values for 1-butanol, ethylbenzene, n-butyl ether, styrene, butyl propionate, cumene, benzaldehyde and propylbenzene obtained from gas chromatographic analysis of volatile gas components generated upon heating the toner are termed, a, b, c, d, e, f, g and h respectively, then Z1 and Z2 satisfy the formulas shown below. Z1=5.2×10?6a+9.6×10?7b+2.7×10?6c?2.5×10?6d+8.7×10?6e+1.5×10?7f+1.1×10?6g+8.3×10?7h?1.81 Z2=6.9×10?6a+4.6×10?6b?3.9×10?7c+2.5×10?6d?2.1×10?5e+2.3×10?7f?6.8×10?7g+1.2×10?6h?1.82 Z1?0, and Z2?0.

Abstract: An electrostatic latent image toner in which the quantity within the toner of alkyl carboxylate esters formed from a carboxylic acid containing from approximately 3 to 5 carbon atoms and an alkyl group containing from approximately 3 to 5 carbon atoms is no more than approximately 4 ppm.

Abstract: A method of producing an electrostatic latent image developing toner that includes the steps of producing a resin particle dispersion by polymerizing, in a water-based solvent, a polymerizable monomer that includes a polymerizable monomer having a vinyl-based double bond, and washing the resin particle dispersion through contact with an organic solvent, wherein the washed resin particle dispersion, a colorant particle dispersion produced by dispersing a colorant, and a release agent particle dispersion produced by dispersing a release agent are mixed together, and following formation of aggregate particles by aggregation of the resin particles, the colorant particles and the release agent particles, heating is conducted to fuse the aggregate particles and produce the electrostatic latent image developing toner.

Abstract: The present invention provides a tandem-type image forming method using a trickle developing system, wherein the average circularity of a toner contained in at least a supplementary developer used for appropriately supplying a developer to a developing device is in the range of 0.940 to 0.980. In the toner, the ratio of the number of particles having an average circularity of 0.970 or greater, in a particle diameter range of a toner circle-equivalent diameter×3/5 or less, is 5% or less, and the ratio of the number of particles having an average circularity of 0.950 or less, in a particle diameter range of a toner circle-equivalent diameter×7/5 or greater, is 10% or less.

Abstract: The invention provides a toner for developing electrostatic latent images containing at least a binder resin, a colorant, a releasing agent, and a graft polymer that has been made by graft polymerization of a resin matrix and a macromonomer including at least one group selected from the group consisting of a hydroxyl group, a hydroxyalkyl group, and a pyrolidonyl group, and a production method thereof. The invention further provides an electrostatic latent image developer using the toner, an image forming method using the toner, and an image forming apparatus.

Abstract: A toner for electrophotography contains a binder resin and a coloring agent, and is characterized in that the binder resin contains a crystalline polyester resin, and a low-molecular compound having at least one of a naphthalene skeleton and a biphenyl skeleton, and the crystalline polyester resin contains 0.5 to 30 construction mole % of an aromatic dicarboxylic acid-derived constitutional component. Further, a developer for electrophotography and an image forming method using the toner for electrophotography are disclosed.

Abstract: A toner for developing an electrostatic image, a process for producing the same, a developer for developing an electrostatic image and a process for forming an image are disclosed. The toner contains a resin, a colorant and a releasing agent, in which the toner has protrusions having a height of about from 0.05 to 2 ?m, a part of the protrusions encompasses the releasing agent, and a proportion of elements derived from the releasing agent is about 10% by atom or less based on elements on a surface of the toner that is quantitatively determined by X-ray photoelectron spectroscopy.

Abstract: The present invention provides a tandem-type image forming method using a trickle developing system, wherein the average circularity of a toner contained in at least a supplementary developer used for appropriately supplying a developer to a developing device is in the range of 0.940 to 0.980. In the toner, the ratio of the number of particles having an average circularity of 0.970 or greater, in a particle diameter range of a toner circle-equivalent diameter×⅗ or less, is 5% or less, and the ratio of the number of particles having an average circularity of 0.950 or less, in a particle diameter range of a toner circle-equivalent diameter×{fraction (7/5)} or greater, is 10% or less.

Abstract: The present invention provides an image forming process including the steps of: forming a latent image; developing the latent image with a toner to form a toner image; transferring the toner image onto a receiving body; and fixing the toner image to the receiving body, wherein the step of fixing is carried out using a fixing device including a heat-fixing roller, an endless belt, and a pressure member to allow the endless belt to travel around the heat-fixing roller at a given angle such that a nip is produced through which a recording sheet passes, with the pressure member being pressed to distort the heat-resistant elastic layer in the heat-fixing roller, and wherein the toner for developing the electrostatic latent image satisfies predetermined requirements.

Abstract: Disclosed is an image forming method comprising a charging step of carrying out charging by applying voltage from the outside to a charging member which is brought into contact with an electrophotographic photoreceptor; an electrostatic latent image-forming step of forming a latent image; and a toner image-forming step of visualizing the latent image by using a developer, wherein the charging member is produced using a charging roll obtained by laminating an ionic conductive elastic material layer and a surface layer, in which an electroconductive material is dispersed, on a conductive support in this order; and the developer contains a toner which satisfies specific requirements.

Abstract: Provided are a toner and its production, a developer, an image forming method and an image forming apparatus. The toner has excellent fixation characteristics of good releasability, hot offset resistance, folding resistance, surface glossiness, and OHP transparency. The toner contains a binder resin, a colorant, a release agent and an inorganic particles. The inorganic particles therein contain inorganic particles (A) having the mean primary particle size not less than approximately 5 nm and less than approximately 30 nm and inorganic particles (B) having the mean primary particle size not less than approximately 30 nm and less than approximately 200 nm.