摘要:
A toner is provided which includes: a toner base particle including a binder resin; and an external additive including inorganic particles. A particle size distribution of primary particles of the inorganic particles has a plurality of peaks in the range of from 5 nm through 50 nm. The particle size distribution of the primary particles satisfies all of expressions (1) to (3) below: n1d>n2d (1); 10
摘要:
A carrier including a resin layer including at least one kind of particles, wherein the at least one kind of the particles are particles of barium sulfate, wherein an amount of Ba detected is 0.3 atomic % or greater in a Ba analysis through X-ray photoelectron spectroscopy (XPS) of the carrier, and wherein circle-equivalent diameters of the particles of the barium sulfate are 400 nm or greater but 900 nm or smaller.
摘要:
A toner including toner particles including at least a binder resin having a first melting point and a first solubility parameter, a colorant and a particulate release agent having a second melting point lower than the first melting point and a second solubility parameter different from the first solubility parameter, wherein the particulate release agent dispersed in the toner particles has an average needle-shape degree LD/SD of not less than 1.6, where LD is a diameter of a particle of the release agent dispersed in the toner in a major axis direction thereof and SD is a diameter of the particle in a minor axis direction.
摘要:
A toner is provided which includes: a toner base particle including a binder resin; and an external additive including inorganic particles. A particle size distribution of primary particles of the inorganic particles has a plurality of peaks in the range of from 5 nm through 50 nm. The particle size distribution of the primary particles satisfies all of expressions (1) to (3) below: n1d>n2d (1); 10
摘要:
A carrier including a resin layer including at least one kind of particles, wherein the at least one kind of the particles are particles of barium sulfate, wherein an amount of Ba detected is 0.3 atomic % or greater in a Ba analysis through X-ray photo-electron spectroscopy (XPS) of the carrier, and wherein circle-equivalent diameters of the particles of the barium sulfate are 400 nm or greater but 900 nm or smaller.
摘要:
An image formation method for forming a full-color image includes the step of superimposing four yellow, magenta, cyan and black toner images which are respectively obtained by developing four latent electrostatic images, which respectively correspond to the four yellow, magenta, cyan and black toner images, with a yellow toner, a magenta toner, a cyan toner and a black toner, wherein a gradient aY of a yellow glossiness per unit amount of the yellow toner (mg/cm2) deposited on a transfer sheet, a gradient aM of a magenta glossiness per unit amount of the magenta toner (mg/cm2) deposited on the transfer sheet, and a gradient aC of a cyan glossiness per unit amount of the cyan toner (mg/cm2) deposited on the transfer sheet are in a range of 0.8 a to 1.2 a, and a gradient aBk of a black glossiness per unit amount of the black toner (mg/cm2) deposited on the transfer sheet is in a range of 0.4 a to 0.7 a, in which a=(aY+aM+aC)/3.
摘要翻译:用于形成全色图像的图像形成方法包括叠加分别通过显影四个静电潜像而获得的四个黄色,品红色,青色和黑色调色剂图像的步骤,其分别对应于四个黄色,品红色,青色和黑色 调色剂图像,黄色调色剂,品红色调色剂,青色调色剂和黑色调色剂,其中沉积在转印纸上的每单位黄色调色剂的黄色光泽度(mg / cm 2)的梯度aY, 沉积在转印纸上的每单位量的品红色调色剂(mg / cm 2)的品红色光泽度和沉积在转印纸上的每单位量的青色调色剂的青色光泽度(mg / cm 2)的梯度aC在一定范围内 为0.8〜1.2μm,沉积在转印片上的每单位黑色调色剂的黑色光泽度(mg / cm 2)的梯度aBb为0.4〜0.7μm的范围,其中a =(aY + aM + aC)/ 3。
摘要:
An image formation method for forming a full-color image includes the step of superimposing four yellow, magenta, cyan and black toner images which are respectively obtained by developing four latent electrostatic images, which respectively correspond to the four yellow, magenta, cyan and black toner images, with a yellow toner, a magenta toner, a cyan toner and a black toner, wherein a gradient aY of a yellow glossiness per unit amount of the yellow toner (mg/cm2) deposited on a transfer sheet, a gradient aM of a magenta glossiness per unit amount of the magenta toner (mg/cm2) deposited on the transfer sheet, and a gradient aC of a cyan glossiness per unit amount of the cyan toner (mg/cm2) deposited on the transfer sheet are in a range of 0.8 a to 1.2 a, and a gradient aBk of a black glossiness per unit amount of the black toner (mg/cm2) deposited on the transfer sheet is in a range of 0.4 a to 0.7 a, in which a=(aY+aM+aC)/3.
摘要:
A dry toner for electrophotography includes a coloring agent, a releasing agent, and a polyol resin having a polyoxy alkylene moiety in a main chain thereof, with a ratio of Mw/Mn of 4 to 10, serving as a binder resin, which is synthesized by allowing an epoxy resin, a dihydric phenol, and an alkylene oxide adduct of a dihydric phenol, or a glycidyl ether thereof to react.