Konica Minolta, Inc.

Konica Minolta Business Technologies, Inc.

Ito Koga

Sadaaki Sakamoto

Eiichi Yoshida

Shiori Tsugawa

Takayuki Suzuki

Kaori Matsushima

Yohei Ohno

Shinichi Hamaguchi

Tomomi Oshiba

Hiroyuki Yasukawa

Hajime Tadokoro

Daisuke Ikeda

Ken Ohmura

Mitsutoshi Nakamura

Noboru Ueda

Fumitaka Mochizuki

Kazuyoshi Goan

Shigenori Kouno

Shingo Fujimoto

Kishio Tamura

Go Yamaguchi

Hitomi Motani

Naoko Uemura

Kouichi Sugama

Noriyuki Kimpara

Provided is an intermediate transfer body comprising a layer containing ferroelectric particles, wherein the ferroelectric particles has an average primary particle diameter in the range of 200 nm or less; and when three-dimensional axes of crystal lattices of the ferroelectric particles are a-axis, b-axis, and c-axis, a ratio of lattice constants of the c-axis and the a-axis (c/a) is in the range of 1.006 or more.

Intermediate transfer body and electrophotographic image forming apparatus

Provided is an intermediate transfer belt for an electrophotographic image forming apparatus including conductor-coated particles in which ferroelectric particles are coated with a conductor.

Intermediate transfer belt and electrophotographic image forming apparatus provided with same

An intermediate transfer member that is used for electrophotographic image formation, includes carbon nanotubes and ferroelectric fillers in a base material layer containing a resin material as a principal component.

Intermediate transfer member and image forming apparatus

Disclosed is an intermediate transfer belt used for an electrophotographic image-forming apparatus, wherein the intermediate transfer belt contains a substrate layer and a surface layer; the intermediate transfer belt has a relative dielectric constant of 15 or more, and a volume resistivity at an applied voltage of 100 V in the range of 1.0&#xd7;10to 9.0&#xd7;10&#x3a9;&#xb7;cm under an environment of temperature of 23&#xb0; C. and humidity of 50% RH; and the surface layer has a relative dielectric constant of 6 or less.

Intermediate transfer belt and image-forming apparatus

An intermediate transfer belt includes an elastic layer having a thickness of 200 to 300 &#x3bc;m, and a surface layer. The intermediate transfer belt has an electrostatic capacity per unit area of 13.5 to 14.5 pF/cm. The electrostatic capacity has a standard deviation of 200 pF or less.

Intermediate transfer belt and image forming apparatus

The intermediate transferring belt is to be mounted in an electrophotographic image-forming apparatus. The intermediate transferring belt includes the following, in sequence, a substrate; an elastic layer; and a surface layer. The surface layer has an elongation of 5% or more and a stress of 5MPa or more at an elastic limit determined by a stress-strain curve obtained according to JIS K7161.

Intermediate transferring belt and image-forming apparatus

Provided is an intermediate transfer member used in an electrophotographic image forming apparatus having a unit of primary-transferring a toner image carried on an electrostatic latent image carrier to an intermediate transfer member, and then secondary-transferring the primary-transferred toner image onto a transfer material from the intermediate transfer member, wherein a surface of the intermediate transfer member has a hardness in the range of 150 to 350 MPa, and an elastic modulus in the range of 200 to 600 MPa, which are measured by a nano indentation method, and also has a hardness of 0.5 to 2.0 MPa specified in terms of universal hardness.

Intermediate transfer member and electrophotographic image forming apparatus using the same

An intermediate transfer belt includes a base layer, an elastic layer, and a surface layer. The elastic layer is composed of an elastomer composition containing an elastomer and metal oxide particles. At least a portion of a surface of the metal oxide particles is positioned at a surface of the elastic layer. At least the portion is coupling-treated with a metal coupling agent. A radical polymerizable functional group of the metal coupling agent is bonded to a radical polymerizable compound composing the surface layer via radical polymerization.

Intermediate transferrer and image forming apparatus

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.

Toner for developing electrostatic latent images

An intermediate transferring belt and an image-forming apparatus are shown. The intermediate transferring belt is to be mounted in an electrophotographic image-forming apparatus. The intermediate transferring belt includes the following, in sequence, a substrate; an elastic layer; and a surface layer. The surface layer includes an acrylic resin including a copolymer of a urethane acrylate and one or more acrylates selected from the group consisting of a monofunctional acrylate having an alicyclic structure and a monofunctional acrylate having a heterocyclic structure.

A manufacturing method of an organic-inorganic composite material includes a flocculation and fusion step to flocculate and fuse composite particles in a liquid medium, the composite particles being formed by inorganic fine particles being coated by coating layers. In one embodiment, an average particle diameter of the inorganic fine particles is 1 nm or larger and 30 nm or smaller.

Manufacturing method of organic-inorganic composite material and optical material

Disclosed are a toner for electrostatic image development and an image formation process using the same which can achieve high varnish application property and high adhesion of a heat-fixed image to a varnish layer even when the varnish layer is formed on the fixed image formed by an image formation process of an electrophotographic system. The toner for electrostatic image development includes toner particles containing at least a binder resin, a colorant and a parting agent, and the binder resin contains a polyfunctional acrylate-modified polyester resin obtained by modification with a polyfunctional acrylate compound. In the toner for electrostatic image development, it is preferable that the toner particles have a core-shell structure, in which the surface of a core particle is coated with a shell layer, and the polyfunctional acrylate-modified polyester resin is contained in the shell layer.

Toner for electrostatic image development, two-component developer, and image formation process

Disclosed is a green toner for developing a static latent image containing a binder resin and a colorant, and the colorant contains C.I. Solvent Green 5 and colorant compound X represented by Formula (1), and content ratio of C.I. Solvent Green 5 in whole amount of the colorant is 5 to 50% by weight, in the Formula (1), Mis a metal atom of Group 14, Q is independently a monovalent substituent, m and n are each 0 or 1, at least one of m and n is 1, and A is independently an atomic group forming an aromatic ring which may have a substituent.

Green toner for developing static latent image and full color image forming method

Disclosed is a cyan toner for developing an electrostatic image containing a cyan colorant, and the cyan colorant comprises colorant compound X represented by Formula (1) and colorant compound Y represented by Formula (2). wherein Mis a metal atom of Group 14, Q is independently a monovalent substituent, m and n are each 0 or 1, at least one of m and n is 1, and A is independently an atomic group forming an aromatic ring which may have a substituent, wherein, Mis Zn or Al, and A is independently an atomic group forming an aromatic ring which may have a substituent.

Cyan toner for developing electrostatic image

Disclosed is an image print which has a toner-holding layer on an image-supporting substrate in which the toner-holding layer holds a toner image formed by toner particles, wherein the toner-holding layer is composed of a hydrogel having a water content of 10% by mass or more and not more than 90% by mass.

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Hino, Japan

Ito Koga