Abstract: A toner, including a lactone compound having not less than 14-membered rings; and a resin including a crystalline polyester unit.

Abstract: A conductive coating is described, suitable for coating a developer, charge or transfer roller in a developing apparatus to give a charge providing layer. The coating comprises a conductive polymer in a matrix. A roller is also described, suitable for a developing apparatus comprising, from the center to the periphery, a conductive mandrel, a conductive elastic base layer and a charge providing layer.

Abstract: A toner particle for liquid development is provided, the toner particle having a plurality of projections and a coat above at least a part of a surface of the toner particle, the toner particle further containing a crystal that forms at least one of the plurality of projections.

Abstract: A liquid developer includes at least toner particles and an insulating liquid. The toner particles include a resin and a color material dispersed in the resin. 90 mass % or more of the insulating liquid is aliphatic saturated hydrocarbon having a carbon number of 11 to 16, and 20 to 60 mass % of the insulating liquid is aliphatic saturated hydrocarbon having a carbon number of 11 to 12.

Abstract: A reactor, which heats a slurry raw material including a solid component, including a reaction tube, wherein the slurry raw material is continuously fed from an end of the reaction tube relative to the central axial direction of the reaction tube so as to be flown toward another end of the reaction tube to be heated; and plural perforated plates arranged in the reaction tube so as to separate the inside of the reaction tube into plural compartments. The reactor satisfies the relations (½)·D??D<D?, and 0.2?S/D??5.0, wherein D represents the diameter of each of the perforated plates, D? represents the inner diameter of the reaction tube, and S represents the interval between any two adjacent perforated plates in the central axial direction of the reaction tube.

Abstract: Provided is a nonaqueous dispersion of resin particles, in which the resin particles have uniform particle diameters and shapes and which exhibits excellent fixing properties, particularly when used as a liquid electrophotographic developer. More specifically, provided is a nonaqueous dispersion (X) in which resin particles (C) are dispersed in a nonhydrophilic organic solvent (L) that exhibits a relative permittivity of 1 to 4 at 20° C., the resin particles (C) being core-shell type resin particles each of which comprise a resin particle (B) that contains a resin (b) and fine particles (A) that contain a resin (a) and that either adhere to the surface of the resin particle (B) or form a film on the surface of the resin particle (B), wherein the solubility of (a) in (L) at 25° C. is 10 wt % or less relative to the weight of (a).

Abstract: Disclosed is a polymer which has a repeating unit containing a skeleton derived from dehydroabietic acid in the main chain, and has a glass transition point of 80° C. or lower.

Abstract: There are provided a carrier which enables stable charging of toner and formation of a stable, high-definition and high-quality image which has very few image defects such as a fog, as well as a developer, a developing apparatus, and an image forming apparatus. A carrier is obtained by including a carrier core and a coating layer with which a surface of the carrier core is coated, the coating layer being obtained by curing a resin composition for coating that includes a crosslinked silicone-modified acrylic resin containing a macromonomer represented by the following general formula (1). A developer is obtained by such a carrier and a toner.

Abstract: A magnetic polymer particle develops a magnetic latent image. The magnetic polymer particle includes a magnetic component, a polymer, and a colorant. The magnetic component is a magnetic particle containing iron having a number average particle diameter of from about 0.2 ?m to about 1.2 ?m. The magnetic particle is contained in one magnetic polymer particle in an amount of from 1 to 10 particles. The number average particle diameter of the magnetic polymer particle is from about 2.0 ?m to about 7.0 ?m.

Abstract: A black toner particle for use in a printing toner, the particle comprising: a polymer: carbon black; and a plurality of different colored pigments; wherein the carbon black and pigments are dispersed in the polymer.

Abstract: An object of the present invention is to provide a carbodiimide type compound having high dispersibility and dispersion stability of pigments, fine resin particles, and pigment-resin composite fine particles particularly in a silicone dispersion medium; a pigment dispersion composition and a pigment-resin composite fine particles-containing dispersion composition preferably usable in a wide range of fields such as inks for solvent ink jet, liquid developers, and the like by using the compound; and a liquid developer using such a pigment dispersion composition and/or pigment-resin composite fine particles-containing dispersion composition. The present invention provides a carbodiimide type compound obtained by introducing a polysiloxane chain by reaction of a functional group of a polysiloxane chain-containing compound having the functional group reactive with a carbodiimide group with a carbodiimide group of a carbodiimide compound having a carbodiimide equivalent weight of 100 to 50000.

Abstract: A liquid developer includes toner particles, an insulating liquid, and a dispersant, and is characterized in that the toner particles includes a resin and a pigment dispersed in the resin, the resin includes a polyester resin, the dispersant includes a basic polymeric dispersant, and a solid obtained by drying the liquid developer has a melting point of at least 55° C.

Abstract: An liquid developer includes insulating liquid and toner particles dispersed in the insulating liquid. An average particle diameter of the toner particles based on volume is in the range of 0.7 to 3 ?m, a width S of particle size distribution of the toner particles represented by the following formula (I) is 1.4 or less, and the insulating liquid include the unsaturated fatty acid glyceride: S=[D(90)?D(10)]/D(50)??(I), where D(X) represents the particle diameter at the point of X % in which X is the ratio of accumulated volume to the total volume when the volume is accumulated from the small particle diameter in the particle size distribution of the toner particles.

Abstract: A method for building microstructures, comprising the steps of forming a photopolymer mask on a substrate, having a mask thickness equal to or larger than a desired height of a microstructure to be formed; forming a latent image on the photopolymer mask by exposure to light; applying an electrical charge to the photopolymer mask; developing the cavities in the mask with a functional liquid toner material whose electrical charge polarity is the same as the charge on the mask; and solidifying the functional liquid toner material into a useful microstructure.

Abstract: The invention relates to a pigment preparation characterized by a content of a) a dioxazine compound of Formula (I) as the basic pigment; and b) a dioxazine compound of the general Formula (II) as a pigment dispersing agent Q-[Y—X]m (II), wherein Q represents an m-valent group of the basic pigment of Formula (I), Y represents —(CR1R2)x—, in which X is 1 to 6, and R and R2 independently of one another represent hydrogen or C1 to C4 alkyl, X represents an imidazole group which is linked via a carbon atom to the Y bridging element, m has a numerical value between 1 and 4; and c) a resin component from the group of abietic acid, dehydroabietic acid, dihydroabietic acid tetrahydroabietic acid, levopimaric acid, dextropimaric acid, isodextropimaric acid, colophony resin, partially hydrogenated colophony resin, resin soaps of the aforementioned acids, and mixtures thereof.

Abstract: A toner for use in liquid electrostatic printing, comprising: a carrier liquid; and, a plurality of toner particles, the toner particles being comprised of a pigment; and a mixture of resins, a major portion of the mixture comprising at least a first resin and a minor portion comprising at least one second resin, the second resin having an affinity for the pigment, that is greater than the affinity of the first resin for the pigment, such that the amount of free pigment in the carrier liquid separate from the toner particles is reduced over the amount that would be present in the absence of the at least one second resin of the minor portion.

Abstract: Provided is a pigment dispersing composition for a color filter including a color material, a resin, and an organic solvent which may dissolve the resin, wherein a modified pigment (D) is contained as the color material which includes, on the surface of a pigment (A), a polymer (P) obtained by polymerizing a polymer (B) containing a polymerizable unsaturated group soluble in a non-aqueous solvent and at least one type of polymerizable unsaturated monomer (C) which is soluble in the non-aqueous solvent and becomes either insoluble or poorly soluble following polymerization, alternatively wherein a modified pigment (D) is contained as the color material which is obtained, under the presence of a pigment (A), a non-aqueous solvent, and a polymer (B) containing a polymerizable unsaturated group soluble in the non-aqueous solvent, by polymerizing at least one type of polymerizable unsaturated monomer (C).

Abstract: LEP ink includes a carrier and particles dispersed in the carrier. Particles contain polymeric resin and dendritic macromolecule having functional groups. Some dendritic macromolecule functional groups are coupled to some resin functional groups. Other dendritic macromolecule functional groups are not coupled to any component of the resin. Other resin functional groups are not coupled to any component of the dendritic macromolecule. Liquid toner producing methods include forming a paste containing a carrier liquid and a thermoplastic resin having a polymeric backbone and functional groups. The paste is combined with a colorant and an adhesion promoting dendritic macromolecule having functional groups. After combining the paste and dendritic macromolecule, the method includes coupling the dendritic macromolecule functional groups with resin functional groups, encapsulating the colorant in the resin/dendritic macromolecule, and dispersing the encapsulated colorant in the carrier liquid.

Abstract: The present invention provides a liquid developer including an insulating carrier liquid and toner particles containing a binder resin, the binder resin including a styrene-based thermoplastic elastomer and a styrene thermoplastic resin, and the toner particles being dispersed in the insulating carrier liquid.

Abstract: An ink contains dispersed particles, individually including at least one thermoplastic first resin exhibiting a MFI less than or equal to 100, at least one thermoplastic second resin exhibiting a MFI greater than 100, and a white pigment. A liquid toner producing method includes forming a paste containing the resins, combining the paste with a white pigment, and after corn-biasing the paste and pigment, applying a shear force, encapsulating the pigment, and dispersing the encapsulated pigment. A digital printing method includes providing a liquid marking agent containing charged particles dispersed in a carrier liquid, individual particles including at least one thermoplastic first resin and at least one thermoplastic second resin encapsulating a white pigment, and printing a hard image on a substrate. At least a portion of the image has a white color.

Abstract: A liquid developer is provided. The liquid developer comprises an insulation liquid, toner particles dispersed in the insulation liquid, a dispersant dissolved in the insulation liquid; and a charge control agent dissolved in the insulation liquid. The charge control agent is represented by the following chemical formula (I): wherein in the chemical formula (I) R1 represents an alkyl group or alkenyl group having a carbon number in the range of 8 to 22, and R2 represents a hydroxyalkyl group. The liquid developer has both superior dispersibility and a charge characteristic of toner particles. Further, an image forming apparatus is also provided.

Abstract: A liquid developer includes an insulating liquid; toner particles constituted by a material containing a polyester resin; and an alkyl diamine and an amide compound having a hydroxy fatty acid skeleton as dispersants.

Abstract: A liquid developer includes: magnetic polymer particles including a magnetic material containing yttrium iron garnet (YIG), a polymer compound having a carboxylate salt structure, and a colorant; and a dispersion medium in which the magnetic polymer particles are dispersed.

Abstract: A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material. The resin material is characterized in that a weight-average molecular weight Mw of the resin material is in the range of 20,000 to 200,000, and an amount of a component of which molecular weight M is 10,000 or less contained in the resin material is in the range of 5 to 40 wt %. The liquid developer described above is harmless to the environment. Further, the liquid developer also has superior preservability or storage stability and superior fixing characteristics at a low temperature. An image forming apparatus that can suitably use such a liquid developer is also provided.

Abstract: A liquid developer includes an insulation liquid containing a fatty acid monoester, and toner particles comprised of a polyester resin. By using the liquid developer, it is possible to provide superior fixing characteristic of toner particles to a recording medium. An image forming apparatus that can suitably use such a liquid developer is also provided.

Abstract: A liquid developer includes an insulation liquid containing a fatty acid monoester and toner particles comprised of a resin material, the resin material containing a first resin component and a second resin component of which weight-average molecular weight Mw2 is larger than a weight-average molecular weight Mw1 of the first resin component. The first resin component and the second resin component are characterized in that the weight-average molecular weight Mw1 of the first resin component is in the range of 3,000 to 12,000, the weight-average molecular weight Mw2 of the second resin component is in the range of 20,000 to 400,000, and when an amount of the first resin component contained in the resin material is defined as A (wt %) and an amount of the second resin component contained in the resin material is defined as B (wt %), A and B satisfy a relation: 1.0?A/B?9.0. The liquid developer described above is harmless to the environment.

Abstract: A liquid developer includes a toner particle mainly composed of a resin material, and a nonvolatile insulating liquid, the resin material including an ethylene copolymer, and the insulating liquid including fatty acid triglyceride.

Abstract: A liquid developer includes: an insulating liquid; toner particles constituted by a resin material as a main component; and a dispersing agent expressed by Formula (I): H2N—R—NH—R???(I) (where, R denotes an alkylene group having a carbon number of 2 to 6 and R? denotes an alkyl group having a carbon number of 8 to 24).

Abstract: Pigment particles with at least one metal oxide surface additive, wherein the at least one metal oxide surface additive is a metal oxide particle covalently bonded with at least one polycondensation polymer, wherein the pigment particle is a pearlescent or metallic pigment.

Abstract: A liquid developer contains a liquid insulator formed of a liquid hydrocarbon, toner particles formed by chemically modifying surfaces of mother toner particles formed of a material containing a rosin-based resin and a polyester resin with a polyalkyleneimine, and a metal soap dissolved in the liquid insulator.

Abstract: Briefly described, embodiments of this disclosure include ink composition for use in electrostatic imaging, method of making an ink formulation for use in electrostatic imaging, and the like.

Abstract: The present disclosure is drawn to a liquid electrophotographic ink, comprising a carrier liquid, and a pigment-polymer blend composition dispersed in the carrier liquid, the pigment-polymer blend composition comprising a pigment and a polymer blend of three distinct polymers. The polymer blend can comprise a first polymer having a melt flow rate of about 20 to about 70 g/10 min and a Vicat softening point of about 60° C. to about 70° C., a second polymer having a melt flow rate of about 80 to about 120 g/10 min, and a third polymer having an acidity of about 160 to about 230 mg KOH/g and a melt flow rate of at least 500 g/10 min. The liquid electrophotographic ink is typically formulated for printing from a liquid electrophotographic printer.

Abstract: An electrophotographic printing toner including a colorant and a resin, wherein the colorant includes a dye having at least one reactive group selected from the group consisting of SO2CnH2nOSO3H, NHCOCnH2nOSO3H, NHSO2CnH2nOSO3H, COCnH2nOSO3H and SO2CHCH2, wherein n represents an integer of from 1 to 4.

Abstract: A toner particle for liquid development is provided, the toner particle having a plurality of projections and a coat above at least a part of a surface of the toner particle, the toner particle further containing a crystal that forms at least one of the plurality of projections.

Abstract: A liquid electrostatographic toner or liquid ink jet ink prepared by the steps of heating a marking particle mix of particles of a resin and a colourant blend in a carrier liquid to a temperature between about the first softening point of the resin and about the second softening point of the resin, maintaining the temperature of the heated marking particle mix for a selected period of time, cooling the marking particle mix to room temperature, and mixing the marking particle mix with high shear. The particle mix can be produced by coarse grinding in a ball mill. The resultant toner or ink has an improved Newtonian like flow behaviour, improved electrical properties, reduced sedimentation and agglomeration and significantly improved optical density and reduced background.

Abstract: A liquid developer includes: an aqueous medium; and a magnetic toner which is substantially dispersed in the aqueous medium and includes a polymer compound and a magnetic powder, the amount of the magnetic powder being from about 0.2 volume % to about 5 volume % with respect to the magnetic toner.

Abstract: A liquid developer includes an insulation liquid, toner particles dispersed in the insulation liquid, which at least a part of the surface of each of the toner particles contains a rosin resin and a dispersant improving dispersibility of the toner particles in the insulation liquid, which the dispersant is consisted of a material having a predetermined amine value. The liquid developer described above has superior positive charge property of toner particles and which has superior dispersibility of the toner particles for a long period of time. Further, an image forming apparatus that can suitably use such a liquid developer is also provided.

Abstract: It is an object of the present invention to provide a liquid developer in which in liquid developers for electrophotography or electrostatic recording obtained using the coacervation method, electric resistance of the liquid developer and the electrophoretic property or the charging characteristic of the toner particles are adequately maintained, and the dispersibility of a pigment and the dispersion stability of the toner particles are good. A liquid developer formed by dispersing colored resin particles comprising at least a pigment, a dispersant and a resin in a hydrocarbon insulating medium using a coacervation method, wherein said dispersant is a carbodiimide compound having at least one basic nitrogen-containing group and at least one polyester side chain introduced through a reaction with a carbodiimide group in its molecule, and said resin is an acid group-containing resin and the acid value of the resin is 1 to 100.

Abstract: A toner particle for use in electrostatic printing of a semiconducting electronic device, the particle comprising: a resin; and non-organic semiconductor particles dispersed in the resin.

Abstract: Provided is a liquid developer containing toner particles and an insulating liquid containing a hydrogen modified silicon compound.

Abstract: Provided is a liquid developer containing toner particles and an insulating liquid containing an epoxy modified fatty acid alkyl ester.

Abstract: A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average volume diameter particle size from about 0.05 to about 10 microns is described.

Abstract: A liquid developer includes: toner particles containing a rosin resin; an insulating liquid in which the toner particles are dispersed; and a dispersant having plural cyclic structures containing a secondary amine and/or a tertiary amine.

Abstract: A liquid developing agent for electrophotography or electrostatic recording that can realize a high solid content and has excellent developing properties is characterized in that colored chips produced by heat kneading a pigment with a thermoplastic resin are dispersed by wet pulverization in an electrically insulating hydrocarbon solvent containing at least one pigment dispersant selected from the group consisting of specific modified novolak resins (A) having an aromatic ring and a ring opened structure of an epoxy group by a hydroxycarboxylic acid-derived carboxyl group, and copolymers (B).

Abstract: A liquid developer includes: toner particles containing a rosin resin; an insulating liquid containing an epoxy-modified compound in liquid form; and a cationic photopolymerization initiator.

Abstract: It is an object of the present invention to provide a recording material which contains at least a colorant and a resin wherein the colorant contains silver, and a toner which contains at least a colorant and a resin wherein the colorant is an alloy containing silver, zinc and aluminum.

Abstract: A liquid developer for electrography, comprising toner particles dispersed in a liquid carrier, wherein the toner particles include a pigment, a thermoplastic resin, and an organic filler, which organic filler is reactive with groups of the thermoplastic resin and incompatible with the liquid carrier.

Abstract: A liquid developer includes an insulating liquid and toner particles obtained by surface-modifying toner mother particles made of a material containing a rosin resin with a polyalkyleneimine.

Abstract: The method for producing a developing agent according to the invention contains subjecting the toner material dispersion liquid to mechanical shearing to make the granular mixture into fine particles, thereby providing a dispersion liquid containing fine particles having a smaller particle diameter than a particle diameter of the granular mixture. The toner material dispersion liquid is subjected to mechanical shearing under a temperature of a glass transition point Tg of the binder resin or more and a pressure of 10 MPa or more, and the resulting dispersion liquid containing the fine particles is depressurized with two or more stages while maintaining the temperature of a glass transition point Tg of the binder resin or more and then cooled to a temperature of a glass transition point Tg of the binder resin or less.

Abstract: The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment dispersed therein, where the polymer portion comprises a surface of the fibrous toner particles and is insoluble in the carrier liquid at temperatures below 40° C., so that the polymer portion will not dissolve or solvate in storage. The polymer portion also is solvatable by the carrier liquid only at temperatures above 50° C. The carrier liquid has, as a major component, first liquid hydrocarbon having a first rate of evaporation, and, as a minor component, second liquid hydrocarbon having a second rate of evaporation which, at room temperature, is at least an order of magnitude less than the first rate of evaporation.