Abstract: A resin particle liquid dispersion for an electrostatic image developing toner comprises: a terminal addition-polymerized polyester having an acid value of from about 5 to about 70 mg·KOH/g, and the terminal addition-polymerized polyester is obtained by a process comprising: polycondensing a polycondensable monomer having a composition comprising the components (a) to (c) described in the specification to obtain a polyester having an addition-polymerizable unsaturated group at a terminal; and addition-polymerizing the addition-polymerizable unsaturated group of the polyester having an addition-polymerizable unsaturated group at a terminal.

Abstract: A binder resin for an electrostatic image developing toner, obtained by polycondensation reaction of a polycarboxylic acid and a polyol, wherein the polycarboxylic acid comprises at least one of a compound represented by formula (1) and a compound represented by formula (2) in an amount of from 50 to 100 mol %, the polyol comprises a compound represented by formula (3) in an amount of from 50 to 100 mol %, and a content of a catalyst-originated metal element in the resin is 100 ppm or less: R1OOCA1mB1nA1lCOOR1???(1) (wherein A1 is a methylene group, B1 is an aromatic hydrocarbon group, R1 and R1? each is a hydrogen atom or a monovalent hydrocarbon group, 1?m+1?12, and 1?n?3); R2OOCA2pB2qA2rCOOR2???(2) (wherein A2 is a methylene group, B2 is an alicyclic hydrocarbon group, R2 and R2? each is a hydrogen atom or a monovalent hydrocarbon group, 0?p?6, 0?r?6, and 1?q?3); HOXhYjXkOH??(3) (wherein X is an alkylene oxide group, Y is a bisphenol structure group, 1?h+k?10, and 1?j?3).

Abstract: A binder resin for an electrostatic image developing toner is obtained by a polycondensation reaction of a polycarboxylic acid and a polyol, wherein the polycarboxylic acid includes a compound represented by at least one of formula (1) and formula (2) as defined in the specification in an amount of from about 50 to about 100 mol %; the polyol includes a compound represented by formula (3) as defined in the specification in an amount of from about 10 to about 100 mol %; and a content of a catalyst-originated metal element in the binder resin is about 100 ppm or less R1OOCA1mB1nA1lCOOR1???(1) R2OOCA2pB2qA2rCOOR2???(2) HOXh-Ph-Y-Ph-XkOH ??(3).

Abstract: A toner for developing an electrostatic image of the present invention contains toner particles obtained by forming coagulated particles by mixing a resin particle dispersion solution containing dispersed resin particles and a coloring agent dispersion solution containing dispersed coloring agent particles and fusing the coagulated particles by heating them and is characterized in that at least the surfaces of the toner particles have a chemical structure formed by reaction with a compound having a carbodiimido group. The invention also provides a resin particle dispersion solution to be used for the production of toner.

Abstract: A carrier for developing an electrostatic latent image includes carrier particles, and the carrier particles include magnetic particles and a coating layer coating the surfaces of the magnetic particles. The BET specific surface area of the magnetic particles is 0.1300 m2/g to 0.2500 m2/g, and the difference in BET specific surface areas obtained by subtracting the BET specific surface area of the magnetic particles from the BET specific surface area of the carrier particles is 0.0300 m2/g to 0.400 m2/g.

Abstract: The invention provides a particle dispersion for an electrostatic image-developing toner containing either polycondensation resin particles, which are prepared by polycondensation of polycondensable monomers in an aqueous medium, or condensation compound particles, which are prepared by dehydration condensation of a condensable compound in an aqueous medium. The particles have a median diameter of approximately 0.05 to 2.0 ?m. A dispersion containing the polycondensation resin particles is produced by dispersing resin particles, aggregating the resin particles, and coalescing the aggregated particles by heating.

Abstract: The present invention provides a toner for developing electrostatic latent images, including resin particles containing a crystalline polymer and an amorphous polymer, wherein the amorphous polymer and the crystalline polymer satisfy the relationship represented by the following formula (1), and a method for manufacturing the toner of the invention. The present invention also provides a developer for electrostatic latent images including the toner of the invention and a carrier; and an image forming method using the toner of the invention. Further the invention provides a method for manufacturing a dispersion of resin particles. ?a??c?1.05[(cal/ml)1/2(25° C.)]??Formula (1) In formula (1), ?a represents a solubility parameter of the amorphous polymer, and ?c represents a solubility parameter of the crystalline polymer.

Abstract: A resin for an electrostatic-image-developing toner includes a graft polymer, wherein the graft polymer has a polyester structure in the main chain thereof; the graft polymer includes monomer units derived from vinyl monomers in the side chains thereof; and at least a part of the monomer units have a residue of surfactant.

Abstract: An electrostatic image developing toner includes a polyester resin, the electrostatic image developing toner having a sulfur element concentration S at % and a nitrogen element concentration N at % which satisfies 0.5?N/S?10, the nitrogen element concentration N being from 0.002 at % to 2.5 at %.

Abstract: A polyester resin has a molecular weight distribution (MWD) of approximately from 1.0 to 2.2, wherein molecular weight distribution (MWD) is a weight-averaged molecular weight (Mw)/a number-averaged molecular weight (Mn); and a luminosity (L*) of from approximately 97.0 to 100 when the polyester resin is molded in a diameter of 5 cm and a thickness of 2 mm.

Abstract: A resin particle dispersion liquid comprises: resin particles comprising polyester having terminal carboxyl groups, the polyester being obtained by polycondensation of a polycondensable monomer, wherein the polyester has the terminal carboxyl groups that are partially neutralized to form carboxyl anions, the resin particles in the resin particle dispersion liquid having a value of (da/(da+dc)) of from approximately 0.30 to approximately 0.90, when in an absorption spectrum of the resin particles measured with an infrared spectrometer, dc represents a peak intensity of the terminal carboxyl group in a range of from 1,780 to 1,680 cm?1, and da represents a peak intensity of the neutralized carboxyl anion in a range of from 1,670 to 1,550 cm?1, the polyester has an acid value of approximately 1 mg·KOH/g or more and less than approximately 15 mg·KOH/g before neutralization, the resin particles dispersion liquid comprises a divalent or higher organic acid in an amount of from approximately 0.

Abstract: A Brønsted acid is a compound represented by formula (I): wherein n represents an integer of from 1 to 4, RHL('s) each independently represents Cl or F, and R1 represents an alkyl group having from 8 to 20 carbon atoms.

Abstract: A resin particle liquid dispersion for an electrostatic image developing toner includes: a polycondensable resin obtained by polycondensing at least one selected from the group consisting of a polycondensable monomer, an oligomer of the polycondensable monomer and a prepolymer of the polycondensable monomer, wherein the resin particle liquid dispersion further comprises a compound having a solubility parameter of 8 or less.

Abstract: A toner for developing an electrostatic image comprises: a binder resin; and a releasing agent, wherein the binder resin comprises a polycondensation resin obtained by polycondensing a polycondensation monomer in the presence of a polycondensation catalyst, the releasing agent comprises a condensation compound obtained by condensing a condensation monomer in the presence of a condensation catalyst, the toner contains a metallic element derived from the polycondensation catalyst and the condensation catalyst in an amount of from 0 to 10 ppm, and the toner contains a sulfur component in an amount of from 100 to 20,000 ppm.

Abstract: A method for producing a colored resin particle dispersion liquid comprises: polycondensing a polyester-forming monomer in a nonaqueous solvent to produce an unsaturated polyester; graft-polymerizing an ethylenic unsaturated monomer to the unsaturated polyester in a nonaqueous solvent to produce a modified polyester resin; and dispersing a colorant and the modified polyester resin to produce a colored resin particle dispersion liquid, the polycondensing and the graft-polymerizing being carried out at a temperature of 150° C. or less.

Abstract: A binder resin for an electrostatic image developing toner is obtained by a polycondensation reaction of a polycarboxylic acid and a polyol, wherein the polycarboxylic acid includes a compound represented by at least one of formula (1) and formula (2) as defined in the specification in an amount of from about 50 to about 100 mol %; the polyol includes a compound represented by formula (3) as defined in the specification in an amount of from about 10 to about 100 mol %; and a content of a catalyst-originated metal element in the binder resin is about 100 ppm or less.

Abstract: A resin particle liquid dispersion for an electrostatic image developing toner comprises: a terminal addition-polymerized polyester having an acid value of from about 5 to about 70 mg.KOH/g, and the terminal addition-polymerized polyester is obtained by a process comprising: polycondensing a polycondensable monomer having a composition comprising the components (a) to (c) described in the specification to obtain a polyester having an addition-polymerizable unsaturated group at a terminal; and addition-polymerizing the addition-polymerizable unsaturated group of the polyester having an addition-polymerizable unsaturated group at a terminal.

Abstract: A method for producing a binder resin comprises polycondensing a polycondensable monomer by using a polycondensation catalyst that comprises: at least one of compounds of formula (I) or (II); and at least one of compounds represented of formula (III) or (IV), wherein weight ratio of total amount of the compounds of formula (I) or (II) to total amount of the compounds of formula (III) or (IV) is from 5:95 to 95:5: wherein R1 represents a C8-C20 straight-chain alkyl group; R2 represents a monovalent organic group; and number n of substituents R2 represents an integer of from 0 to 4; R3—SO3H??(II) wherein R3 represents a C8-C20 straight-chain alkyl group; wherein R4 represents a C8-C20 branched alkyl group; R5 represents a monovalent organic group; and number m of substituents R5 represents an integer of from 0 to 4; and R6—SO3H??(IV) wherein R6 represents a C8-C20 branched alkyl group.

Abstract: An image forming method, which comprises: forming an electrostatic latent image on a surface of a latent image supporting member; developing the electrostatic latent image formed on the surface of the latent image supporting member with a toner for developing an electrostatic latent image or an electrostatic latent image developer containing the toner and a carrier to form a toner image; transferring the toner image formed on the surface of the latent image supporting member onto a surface of a transfer receiving material; and fixing the toner image transferred onto the transfer receiving material under pressure, wherein the toner comprises a block copolymer having a crystalline polyester block and a non-crystalline polyester block, and wherein a maximum pressure applied when the image is fixed is 1 MPa or greater but not greater than 10 MPa.

Abstract: A method of producing a toner for developing electrostatic charge image, the method comprising: aggregating particles containing a crystalline polyester resin, particles containing a non-crystalline polyester resin and particles of a releasing agent in an aqueous medium, so as to form aggregated particles; and heating the aggregated particles to fuse into a coalescent body, wherein at least one of the crystalline polyester resin and the non-crystalline polyester resin is obtained by polymerization at temperatures not higher than 150° C. with a Bronsted acid containing a sulfur atom as a catalyst, and wherein a first onset temperature A(° C.) of the toner and a glass transition temperature B(° C.) of the non-crystalline polyester resin as measured by differential scanning calorimeter satisfy a relation (B?A)?10, and wherein a weight average molecular weight of the crystalline polyester resin is ½ or lower of a weight average molecular weight of the non-crystalline polyester resin.