Patent classifications
G03G13/0133
Imaging processes
The present disclosure provides processes for producing images with toner particles. In embodiments, toner particles of a certain diameter in size are applied to a substrate as an incomplete monolayer, and then fused to form an image that is a complete monolayer and possesses a thickness less than the diameter of the particles utilized to form the image.
Toner container, image forming unit, and image forming apparatus
A toner container used in an image forming apparatus including an exposure unit with a light emitting diode light source. The toner container including a container body, and a cyan toner stored in the container body. The cyan toner includes a binder resin, at least one pigment, a charge control agent, and an external additive. The at least one pigment includes at least Pigment Blue. A lightness L*, a hue a*, and a hue b* of the cyan toner in a powder state satisfy: 30.04≤L*≤33.68, −1.75≤a*≤0.71, and −47.47≤b*≤−45.08.
IMAGE FORMING METHOD
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.
TONER, RESIN PARTICLES, DEVELOPER, TONER STORAGE UNIT, IMAGE FORMING APPARATUS, METHOD FOR PRODUCING TONER, AND IMAGE FORMING METHOD
Provided is a toner including toner base particles. Each toner base particle includes a crosslinked component. The crosslinked component includes a nonlinear polymer having 3 or more branches, terminals of which are metal ion crosslinked, and a glass transition temperature Tg of the nonlinear polymer as measured by differential scanning calorimetry is −60° C. or higher but lower than 0° C.
ELECTROSTATIC CHARGE IMAGE DEVELOPING GREEN TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
An electrostatic charge image developing green toner contains green toner particles containing a binder resin, an azomethine fluorescent pigment having an emission peak in a wavelength region of 500 nm or more and 550 nm or less in an emission spectrum, and a non-fluorescent pigment having a reflection peak in a wavelength region of 480 nm or more and 540 nm or less in a reflection spectrum, in which a mass-based ratio M2/M1 of a content M2 of the non-fluorescent pigment to a content M1 of the azomethine fluorescent pigment is 0.05 or more and 1.5 or less, and a total content of the azomethine fluorescent pigment and the non-fluorescent pigment with respect to a total amount of the green toner particles is 5% by mass or more and 15% by mass or less.
Toner container, image forming unit, and image forming apparatus
A toner container used in an image forming apparatus including an exposure unit with a light emitting diode light source includes a container body, and a cyan toner stored in the container body. A lightness L*, a hue a*, and a hue b* of the cyan toner in a powder state satisfy
26.94L*34.84,
5.13a*3.83, and
47.47b*36.78.
TONER CONTAINER, IMAGE FORMING UNIT, AND IMAGE FORMING APPARATUS
A toner container used in an image forming apparatus including an exposure unit with a light emitting diode light source. The toner container including a container body, and a cyan toner stored in the container body. The cyan toner includes a binder resin, at least one pigment, a charge control agent, and an external additive. The at least one pigment includes at least Pigment Blue. A lightness L*, a hue a*, and a hue b* of the cyan toner in a powder state satisfy: 30.04L*33.68, 1.75a*0.71, and 47.47b*45.08.
TONER CONTAINER, IMAGE FORMING UNIT, AND IMAGE FORMING
A toner container used in an image forming apparatus including an exposure unit with a light emitting diode light source includes a container body, and a cyan toner stored in the container body. A lightness L*, a hue a*, and a hue b* of the cyan toner in a powder state satisfy
26.94L*34.84,
5.13a*3.83, and
47.47b*36.78.
Color image forming process and color toner set
Provided is a color image forming process using colorant-containing toners of multiple colors containing colorants respectively having different resistances, wherein each of the colorant-containing toners contains an amorphous resin, a crystalline polyester resin, and a mold release agent, at least the crystalline polyester resin contained in the colorant-containing toner other than the colorant-containing toner containing a colorant having the lowest resistance contains a hybrid crystalline polyester resin formed by bonding a crystalline polyester polymerized segment and an amorphous polymerized segment, and the content of the amorphous polymerized segment in the hybrid crystalline polyester resin contained in the colorant-containing toner other than the colorant-containing toner containing a colorant having the lowest resistance is greater than the content of the amorphous polymerized segment in the crystalline polyester resin contained in the colorant-containing toner containing a colorant having the lowest resistance.
Image forming method and toner set for developing electrostatic latent image
An image forming method includes using yellow toner, magenta toner, cyan toner, and black toner in which each of the yellow toner, the magenta toner, the cyan toner, and the black toner includes a crystalline polyester resin having a constitutional unit derived from a linear chain aliphatic diol, an amorphous resin, a colorant, and a releasing agent. A carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in the black toner is 6 or more, and a carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in each of the yellow toner, the magenta toner, and the cyan toner is 3 or more and 5 or less.