Abstract: A toner for developing an electrostatic latent image, the toner includes, a toner parent particle containing a binder resin, the binder resin including a crystalline resin and a hybrid resin, the hybrid resin having a main chain and a side chain, either one of or both of the main chain and the side chain including a unit derived from a crystal nucleating agent, and the crystal nucleating agent being one or more compounds selected from the group consisting of arachidyl alcohol, behenyl alcohol, 1-tetracosanol, 1-hexacosanol, octacosanol, palmitic acid, margaric acid, stearic acid, arachidic acid, behenic acid, and lignoceric acid.

Abstract: A toner for electrostatic charge image development contains a binder resin and a releasing agent. The binder resin contains an amorphous polyester resin as a main component and a vinyl resin, the vinyl resin contains a constitutional unit derived from a specific monomer. The releasing agent has a melting point of from 65 to 90° C. and contains an ester wax.

Abstract: A high quality image excellent in low-temperature fixability and good in color stability can be formed by an image forming method of the present invention. In the image forming method, an image is formed by an electrophotographic method using toners of plural colors. Each of the toners of the plural colors contains a crystalline resin, methanol concentrations (%) at transmittance of 50% obtained for methanol wettability evaluation of the toners of the plural colors all fall in a range of 15 to 60%, and assuming that a maximum value and a minimum value of the methanol concentrations (%) at transmittance of 50% obtained for the methanol wettability evaluation of the toners of the plural colors are respectively WH(%) and WL(%), a relationship of 4?WH?WL?30 is satisfied.

Abstract: An electrostatic image developing toner includes: a binder resin containing a crystalline polyester resin and an amorphous resin, wherein when, in differential scanning calorimetry of the toner according to ASTM D3418-8, a temperature of an endothermic peak derived from the crystalline polyester resin in a first heating process is defined as Tm1 (° C.), an endothermic quantity based on the endothermic peak in the first heating process is defined as ?H1 (J/g), an endothermic quantity based on the endothermic peak in a second heating process is defined as ?H2 (J/g), and a softening temperature is defined as Tf1/2 (° C.), Tm1 is 60 to 80° C., Tf1/2 is 95 to 125° C., and ?H1 and ?H2 satisfy the relationship represented by the following Formula (1) and (2): [Math. 1] 0.65??H2/?H1?0.95??(1) 205?(1.4×Tm1)<Tf1/2?220?(1.4×Tm1)??(2).

Abstract: Provided is an electrostatic latent image developing toner that, while ensuring low temperature fixability, can ensure image quality stability even during high-speed continuous printing. The toner is an electrostatic latent image developing core-shell type toner containing at least a binder resin. The binder resin includes a crystalline polyester resin, an amorphous polyester resin, and a hybrid amorphous vinyl resin in which a vinyl polymerization segment is chemically bonded to a polymerization segment other than the vinyl polymerization segment, in which a core portion of the toner contains the crystalline polyester resin and the amorphous polyester resin, whereas a shell portion of the toner contains the hybrid amorphous vinyl resin, and the hybrid amorphous vinyl resin has a vinyl polymerization segment content of from 51 to 99% by mass.

Abstract: A toner for developing electrostatic images contains a first resin and a second resin. The first resin is a crystalline polyester resin composed of a dicarboxylic acid unit and a dialcohol unit. The first resin has a weight average molecular weight of 5000 to 100000. The second resin has a weight average molecular weight of 5000 to 60000. The second resin is a polyester resin composed of a crystalline segment and an amorphous segment. The crystalline segment has a weight average molecular weight of 200 to 3000 and is composed of a dicarboxylic acid unit and a dialcohol unit. In the toner, a specific carbon number relationship is present between each unit.

Abstract: An electrostatic latent image developing toner includes toner base particles including a binder resin and a nucleating agent, wherein the binder resin includes a hybrid crystalline resin having a structure in which a crystalline polyester resin unit and an amorphous resin unit are chemically bonded to each other, and the nucleating agent is at least one compound selected from the group consisting of arachidyl alcohol, behenyl alcohol, 1-tetracosanol, 1-hexacosanol, octacosanol, palmitic acid, margaric acid, stearic acid, arachidic acid, behenic acid, and lignoceric acid.

Abstract: The present invention relates to a toner for electrostatic charge image development containing a binder resin, wherein the binder resin contains a hybrid crystalline polyester resin in which a crystalline polyester resin segment and a segment of an amorphous resin other than a polyester resin are chemically bonded, and an amorphous resin, the hybrid crystalline polyester resin and the amorphous resin having a specific phase-separated structure; and the hybrid crystalline polyester resin is a graft-copolymer having a specific structure, the toner having the specific thermal properties. According to the present invention, a means capable of providing an excellent low temperature fixability even to uneven media, and of improving both of image storability and heat-resistant can be provided.

Abstract: An electrostatic image developing toner includes: a binder resin containing a crystalline polyester resin and an amorphous resin, wherein when, in differential scanning calorimetry of the toner according to ASTM D3418-8, a temperature of an endothermic peak derived from the crystalline polyester resin in a first heating process is defined as Tm1 (° C.), an endothermic quantity based on the endothermic peak in the first heating process is defined as ?H1 (J/g), an endothermic quantity based on the endothermic peak in a second heating process is defined as ?H2 (J/g), and a softening temperature is defined as Tf1/2 (° C.), Tm1 is 60 to 80° C., Tf1/2 is 95 to 125° C., and ?H1 and ?H2 satisfy the relationship represented by the following Formulae (1) and (2): [Math. 1] 0.65??H2/?H1?0.95??(1) 205?(1.4×Tm1)<Tf1/2?220?(1.

Abstract: An electrostatic latent image developing toner includes toner base particles including a binder resin and a nucleating agent, wherein the binder resin includes a hybrid crystalline resin having a structure in which a crystalline polyester resin unit and an amorphous resin unit are chemically bonded to each other, and the nucleating agent is at least one compound selected from the group consisting of arachidyl alcohol, behenyl alcohol, 1-tetracosanol, 1-hexacosanol, octacosanol, palmitic acid, margaric acid, stearic acid, arachidic acid, behenic acid, and lignoceric acid.

Abstract: A toner for developing an electrostatic latent image, the toner includes, a toner parent particle containing a binder resin, the binder resin including a crystalline resin and a hybrid resin, the hybrid resin having a main chain and a side chain, either one of or both of the main chain and the side chain including a unit derived from a crystal nucleating agent, and the crystal nucleating agent being one or more compounds selected from the group consisting of arachidyl alcohol, behenyl alcohol, 1-tetracosanol, 1-hexacosanol, octacosanol, palmitic acid, margaric acid, stearic acid, arachidic acid, behenic acid, and lignoceric acid.

Abstract: The present invention relates to a toner for electrostatic charge image development containing a binder resin, wherein the binder resin contains a hybrid crystalline polyester resin in which a crystalline polyester resin segment and a segment of an amorphous resin other than a polyester resin are chemically bonded, and an amorphous resin, the hybrid crystalline polyester resin and the amorphous resin having a specific phase-separated structure; and the hybrid crystalline polyester resin is a graft-copolymer having a specific structure, the toner having the specific thermal properties. According to the present invention, a means capable of providing an excellent low temperature fixability even to uneven media, and of improving both of image storability and heat-resistant can be provided.

Abstract: Provided is a toner for electrostatic image development that has good low-temperature fixability, also has long-term heat-resistant storage stability and can form an image with unevenness in gloss suppressed. The toner for electrostatic image development includes toner particles. The toner particles have a domain-matrix structure in which a first domain phase including a crystalline polyester resin A and a second domain phase including a crystalline polyester resin B are dispersed in a matrix phase including a vinyl resin. The average diameter of the first domain phase is 400 to 900 nm, and the average diameter of the second domain phase is 10 to 200 nm. The melting point of the crystalline polyester resin A and the melting point of the crystalline polyester resin B are each 95° C. or lower.

Abstract: Provided is a toner for electrostatic image development, having low-temperature fixability and long-term stable charge property and also having heat-resistant storage stability. The toner for electrostatic image development includes toner particles containing a binder resin. The binder resin has a domain-matrix structure in which a crystalline polyester resin is dispersed as a domain phase in a matrix phase formed of an amorphous vinyl polymer formed using at least a vinyl-based monomer. The amorphous vinyl polymer has a carboxy group concentration of not less than 0.2 mmol/g and not more than 1.0 mmol/g, and the crystalline polyester resin has an ester group concentration of not less than 0.1 mmol/g and not more than 7.1 mmol/g.

Abstract: Provided is a toner for electrostatic image development having low-temperature fixability and providing stability of glossiness for various types of paper. The toner for electrostatic image development includes toner particles having a domain-matrix structure. In the domain-matrix structure, a domain phase including a crystalline polyester resin having a melting point of 40 to 90° C. and a domain phase including a vinyl resin B having a weight average molecular weight of 250,000 to 400,000 are dispersed in a matrix phase including a vinyl resin A having a weight average molecular weight of 10,000 to 50,000.

Abstract: A toner for developing an electrostatic image includes a toner particle. The toner particle contains a binder resin and a release agent. The binder resin contains an amorphous resin and a crystalline polyester resin. The toner satisfies the following formulae (1) and (2). In the formulae (1) and (2), Tmc (° C.) represents a melting peak temperature derived from the crystalline polyester resin and Tmw (° C.) represents a melting peak temperature derived from the release agent in a heating process in differential scanning calorimetry of the toner. Tmc>75(° C.)??Formula (1) |Tmw?Tmc|<10(° C.

Abstract: Disclosed is a toner for electrostatic image development that has excellent low-temperature fixability and also has sufficient heat-resistant storage stability. The toner for electrostatic image development includes toner particles containing an amorphous resin including amorphous resins A and B and a crystalline polyester resin. The toner particles have a domain-matrix structure in which a domain phase including fine core particles of the crystalline polyester resin is dispersed in a matrix phase formed of the amorphous resin A composed of a vinyl-based polymer. The surface of the fine core particles of the crystalline polyester resin is coated with the amorphous resin B composed of a vinyl-based polymer.

Abstract: An electrostatic image developing toner includes a toner particle having a core-shell structure including a core portion containing a first polyester resin A, and a shell layer containing a second polyester resin B, the shell layer coating the core portion, wherein the second polyester resin B has at least a meta-phenylene skeleton, and the following relational expression (1) is satisfied: relational expression (1): 0?a<b, where a represents a content rate (mass %) of a meta-phenylene skeleton in the first polyester resin A, and b represents a content rate (mass %) of the meta-phenylene skeleton in the second polyester resin B.

Abstract: Provided is a toner for developing electrostatic images having excellent low temperature fixability and heat resistance storability. In order to achieve at least one of the aforementioned purposes, provided is a toner for developing electrostatic images containing a first resin which is a crystalline polyester resin consisting of a dicarboxylic acid unit and a dialcohol unit (weight average molecular weight is 5000 to 100000); a second resin (weight average molecular weight is 5000 to 60000) which is a polyester resin consisting of a crystalline segment (weight average molecular weight is 200 to 3000), which consists of a dicarboxylic acid unit and a dialcohol unit, and an amorphous segment, in which a specific carbon number relationship is present between each unit.

Abstract: Provided is a toner for electrostatic image development that has good low-temperature fixability, also has long-term heat-resistant storage stability and can form an image with unevenness in gloss suppressed. The toner for electrostatic image development includes toner particles. The toner particles have a domain-matrix structure in which a first domain phase including a crystalline polyester resin A and a second domain phase including a crystalline polyester resin B are dispersed in a matrix phase including a vinyl resin. The average diameter of the first domain phase is 400 to 900 nm, and the average diameter of the second domain phase is 10 to 200 nm. The melting point of the crystalline polyester resin A and the melting point of the crystalline polyester resin B are each 95° C. or lower.