Abstract: Provided is a toner containing toner particles containing a polyester resin which has a structure part represented by Formula (1): wherein, “A” represents a polyester structure unit having at least one linking group; R1 represents a hydrogen atom, or a chlorine atom; R2 represents a hydrogen atom, a chlorine atom, or a methoxy group; and “L” represents a divalent organic group.

Abstract: In the present invention, provided is a toner suitable for fixing at low temperature, which exhibits excellent performance against thermal stress as well as mechanical stress with no generation of blocking even during storage for a long duration in an unused state, and also with no generation of tacking of toner images after fixing. Also disclosed is a toner comprising at least a binder resin, a colorant and a wax, the toner comprising a fatty acid ester wax comprising a hydroxyl group, and an aliphatic alcohol.

Abstract: A toner for electrostatic latent image development is disclosed comprising colored particles containing a binder resin and a colorant and external-additive particles attached to the surfaces of the colored particles, wherein the external-additive particles comprise resin particles covered with an inorganic layer, and the resin particles are bound to the inorganic layer by a siloxane bond. A preparation method of the toner is also disclosed.

Abstract: Disclosed is a toner manufacturing method, comprising: dispersing a polyester resin prepared by condensing a polyol and a polycarboxylic acid into an aqueous medium and adjusting a polyester resin particle dispersion liquid, wherein the polyol includes an unsaturated polyol, or the polycarboxylic acid includes an unsaturated polycarboxylic acid; and adding a radical polymerization initiator to the polyester resin particle dispersion liquid to cause a radical polymerization reaction, and adjusting the obtained dispersion liquid of polyester resin particles.

Abstract: Disclosed is a low-environmental load toner for electrostatic image development. The toner for electrostatic image development includes toner particles containing a resin. The resin contains a vinyl polymer having a structural unit represented by the following general formula (1). In the formula, R1 to R5 are each a hydrogen atom, an alkoxy group having 1 to 4 carbon atoms or —OCOR6 (R6 is an alkyl group having 1 to 8 carbon atoms), at least two of R1 to R5 are hydrogen atoms, and at least one thereof is an alkoxy group having 1 to 4 carbon atoms or —OCOR6.

Abstract: Disclosed are a low-environmental load toner for electrostatic image development and a production process of the toner. The toner for electrostatic image development includes toner particles containing a resin. The resin contains a vinyl polymer having a structural unit represented by the following general formula (1): [in the general formula (1), R1 is a hydrogen atom, —CH2OH, —CH2OR2, or —CH2O(C?O)R3, and R2 and R3 are each an alkyl group having 1 to 8 carbon atoms].

Abstract: Disclosed are a toner for developing an electrostatic image, a full color toner kit and an image formation method layer, the toner comprising at least a resin and a colorant, wherein the colorant includes quinacridone pigment having a number average primary particle size of from 30 to 150 nm and having a ratio of a long axis length to a short axis length of from 1.0 to 2.0.

Abstract: Disclosed are a toner for developing an electrostatic image and its manufacturing method, the toner being comprised of toner particles, wherein the toner particles contain as a resin a polymer having a structural unit represented by the following formula 1, wherein R1 represents an alkyl group having a carbon atom number of from 1 to 8, which may have a substituent; and R2 and R3 independently represent a hydrogen atom, —OR4 or —OCOR5, in which R4 and R5 independently represent an alkyl group having a carbon atom number of from 1 to 8, provided that at least one of R2 and R3 is —OR4 or —OCOR5.

Abstract: Disclosed is a toner comprising at least a resin and a coloring agent, wherein the resin comprises toner particles in which a polyester resin unit is cross-linked by a diatomic cross-linking group expressed by a following general formula (1): —X1Y1X1— [wherein in the formula, X1 denotes a linking group; and Y1 denotes a radical polymer unit having a number average molecular weight Mn ranging from 5000 or more to 50000 or less, and a ratio Mw/Mn ranging from 1.0 or more to 1.2 or less, wherein Mw denotes a weight average molecular weight, and Mn denotes the number average molecular weight].

Abstract: Disclosed is a toner including: a resin; coloring agent and release agent including compound or compounds represented by the following general formula (1): R1—(COO—R2)n, wherein R1 is a linking group having carbon number of 2 to 8 which may be a cyclic structure and may have a hydroxy group or fatty acid ester group; and each R2 is an alkyl group having carbon number of N, (N-2) or (N-4) independently, N is a natural number from 10 to 30, and n is a natural number from 3 to 4, R2 with carbon number of N is 80 to 97 percent by mass, R2 with carbon number of (N-2) is 0.0 to 7.8 percent by mass, R2 with carbon number of (N-4) is 3.0 to 13.0 percent by mass, R2 with carbon number of (N-4) is included 1.5 percent by mass or more than R2 with carbon number of (N-2).

Abstract: A toner for an electrophotography and its manufacturing method are disclosed. The toner comprises toner particles containing a cross-linked polymer having two-valent crosslinking group represented by Formula (1), wherein, R1 is a hydrogen atom or a chlorine atom, R2 is a hydrogen atom, a chlorine atom or a methoxy group. The toner satisfies storage durability against heat as well as sufficient low temperature fixing ability.

Abstract: A preparation method of a toner comprising a binder resin and a colorant is disclosed, comprising forming resin particles containing a resin formed by allowing a styrene monomer, a (meth)acryl monomer and a polymer represented by the formula (1) to react, and mixing the resin particles with colorant particles which were dispersed and allowing the resin particles and the colorant particle to coagulate and fuse to form toner particles, X—(Y)n—X??formula (1) wherein X is at least one of an acryloyl group and a methacryloyl group, Y is a radical polymerizable monomer unit and n is an integer of 25 to 1000.

Abstract: An electrophotographic toner which is thermally stable in storage or as an image after being fixed and exhibits a sufficiently low melt viscosity and a high fluidity when heated during fixing is disclosed, comprising a colorant and a binder resin, wherein the binder resin contains a poly-branched resin composition in an amount of 0.5 to 20% by mass. There is also disclosed a method of producing the electrophotographic toner.

Abstract: Display particles having metal oxide layers formed on the surfaces of base particles containing at least a resin and a colorant, wherein the metal oxide layers comprise a polycondensation product formed by using a compound A represented by the following formula (A) and a compound B indicated by the following formula (B) as materials, and an image display apparatus loaded with the display particles: M1(OR1)4??(A) (wherein M1 represents a silicon atom or a titanium atom; and R1 represent an alkyl group having 1 to 4 carbon atoms respectively independently): M2(R2)4-n(OR3)n??(B) (wherein M2 represents a silicon atom or a titanium atom; R2 represent an alkyl group having 1 to 4 carbon atoms, a phenyl group, an acryloyloxy group, a methacryloyloxy group or an epoxy group, independently; R3 represent an alkyl group having 1 to 4 carbon atoms independently; and n represents an integer of 2 or 3).

Abstract: A magenta toner for developing an electrostatic image, the magenta toner comprising at least a binder resin and a magenta colorant, wherein the magenta colorant comprises a compound represented by Formula (1), wherein D is represented by one of Formulas (2) to (4):

Abstract: An electrostatic image developing toner which is capable of obtaining highly chromatic full-color images of bright color without causing perceived color contamination and exhibits superior lightfastness is disclosed, wherein the toner comprises a binding resin and a colorant, and the colorant is tetraazaporphyrin or phthalocyanine compounds such as a compound represented by the following formula:

Abstract: Disclosed is a full-color image forming method by which an image exhibiting comfortable image quality reliably suitable for a human visual system can be obtained in such a way that a halftone image exhibiting excellent granularity and evenness thereof is acquired.

Abstract: Disclosed are heat storage microcapsules encapsulating a water-soluble heat storage material stably and certainly, heat storage microcapsules with high durability which prevent phase separation of an inorganic salt hydrate latent heat storage material, heat storage microcapsules which prevent supercooling of a latent heat storage material to exhibit stable heat history and a manufacturing method thereof. The heat storage microcapsules comprise a core covered with a shell, wherein the core contains (a) at least one water-soluble latent heat storage material selected from a salt hydrate and a sugar alcohol and (b) a polymer derived from a water-soluble monomer mixture of a water-soluble monofunctional monomer and a water-soluble multifunctional monomer, and the shell is composed of a hydrophobic resin.

Abstract: Disclosed is a process of forming a full color image according to electrophotography, employing a yellow toner, a magenta toner and a cyan colorant, the process comprising the step of forming a yellow toner image, a magenta toner image and a cyan toner image on a recording material, wherein the yellow toner image has reflectance (in terms of %) satisfying formulas (11) through (14) below, the magenta toner image has reflectance (in terms of %) satisfying formulas (21) through (24) below, and the cyan toner image has reflectance (in terms of %) satisfying formulas (31) through (34) below.

Abstract: Disclosed are a toner for developing an electrostatic image and its manufacturing method, the toner being comprised of toner particles, wherein the toner particles contain as a resin a polymer having a structural unit represented by the following formula 1, wherein R1 represents an alkyl group having a carbon atom number of from 1 to 8, which may have a substituent; and R2 and R3 independently represent a hydrogen atom, —OR4 or —OCOR5, in which R4 and R5 independently represent an alkyl group having a carbon atom number of from 1 to 8, provided that at least one of R2 and R3 is —OR4 or —OCOR5.