Konica Minolta Business Technologies, Inc.

Konica Corporation

Konica Minolta, Inc.

Konica-Minolta Holdings, Inc.

Konica Minolta Technosearch Co., Ltd.

Asao Matsushima

Tatsuya Nagase

Ken Ohmura

Shiro Hirano

Hiroshi Yamazaki

Meizo Shirose

Aya Shirai

Ryuichi Hiramoto

Michiyo Fujita

Yasuko Uchino

Naohiro Hirose

Hiroyuki Yamada

Tomoe Kitani

Hiroyuki Kozuru

Yoshiki Nishimori

Izumi Mukoyama

Go Yamaguchi

Tomoko Tanma

Noboru Ueda

Yoshiyasu Matsumoto

Yoshihiko Etoh

Naoko Uemura

Eiichi Yoshida

Mikio Kouyama

Takeo Oshiba

Masaharu Matsubara

Hirofumi Koga

Yoshiaki Kobayashi

Akira Kinoshita

Hiroyuki Fukuda

Tomoo Sakimura

Yoshiaki Takei

Kaori Soeda

Shigenori Kouno

Tomoko Suzuki

Takao Yamanouchi

Akira Ohira

Takayuki Suzuki

Akihiko Itami

Hirofumi Hayata

Tomomi Oshiba

Hiroyuki Yasukawa

Naoya Tonegawa

Taiki Amemiya

Ryuji Kitani

Shoichi Nomura

Tsuyoshi Uchida

Natsuko Fujisaki

Kenshi Miyajima

Junichi Furukawa

Shoichiro Ishibashi

Kazuhisa Horiuchi

Shigenori Kohno

Kazuya Isobe

Akiko Kawamura

Kentarou Mogi

Kazuhisa Horiuch

Takeo Ooshiba

A fixing belt having high separability is provided. The fixing belt includes a base layer made of a heat-resistant resin, an intermediate layer made of a heat-resistant elastic material disposed on the base layer, and a surface layer made of a fluororesin disposed on the intermediate layer. The surface layer contains 5 to 15 mass % of carbon black having a primary average particle diameter of 10 to 50 &#x3bc;m.

Fixing belt having high separability, fixing device, and image forming apparatus

A fixing belt contains a base layer made of a heat-resistant resin, an elastic layer made of an elastic material, and a release layer, laminated in this order. The elastic layer has a linear thermal expansion coefficient of &#x2212;4.0&#xd7;10(1/K) or more and 1.0&#xd7;10(1/K) or less.

Fixing belt and fixing device and image forming apparatus using the same

A fixing belt includes: a base layer having heat resistance; an elastic layer disposed on the base layer and made of an elastic material; and a releasing layer disposed on the elastic layer, wherein a storage elastic modulus of the base layer is 3.8 to 4.8 GPa.

Fixing belt, fixing device, and image forming apparatus

Provided is a fixing belt including a base layer, an elastic layer, and a release layer. The release layer has surface geometry including a first uneven profile and a second uneven profile formed on the surface of the first uneven profile. The first uneven profile is represented as a maximum height roughness, Rz, of 5.0 to 100 &#x3bc;m. The second uneven profile is represented as Rz of 0.5 to 0.9 &#x3bc;m.

A fixing belt according to the present invention has an endless shape and includes a base layer made of a heat-resistant resin; an elastic layer made of an elastic material; and a releasing layer which are stacked on one another in this order in which: the loss tangent tan &#x3b4; of the elastic material at 20 Hz is 0.1 or smaller; and the fixing belt is mounted in a fixing device in the state where the belt is rotatably supported by two or more rollers including a heating roller, whereby favorable fixation performance and favorable separativeness relative to a recording medium can be achieved even in high speed image formation of an electrophotographic process.

Fixing belt, fixing device, image forming apparatus and image formation method

A method of manufacturing an electrostatic latent image developing toner made of a binding resin made of an amorphous resin and a crystalline resin, and toner particles containing a releasing agent and a coloring agent, the method includes: adding a monomer for forming the amorphous resin, in an aqueous medium, under presence of the fine particles containing the crystalline resin, and performing polymerization to obtain coated resin fine particles that are fine particles containing the crystalline resin, the fine particles being coated with the amorphous resin; and flocculating and fusing at least fine particles containing the amorphous resin, the coated resin fine particles, and fine particles containing the coloring agent, in an aqueous medium, under presence of a flocculating agent, to obtain the toner particles, wherein a surfactant having concentration of one to five times critical micellar concentration is added to the aqueous medium in the polymerization.

Method of manufacturing electrostatic latent image developing toner

The toner according to the present invention is used for electrostatic latent image development, and has toner particles containing a binder resin, a colorant and a release agent. The binder resin is composed of a non-crystalline resin and a crystalline resin. The toner satisfies the relationship represented by specific expressions specified by the endothermic property of the crystalline resin, the endothermic property of the toner and the content ratio of the binder resin in the toner particles.

Toner and process for producing the same

According to one implementation, a toner includes a toner mother particle and a convex portion on a surface of the toner mother particle. The toner mother particle includes at least a resin (1). The convex portion is formed from a resin particle including at least a resin (2). An average value of a length of a long side of the convex portion is within a range of 0.1 to 0.5 &#x3bc;m. A ratio between a Young's modulus of a non-convex portion of the toner mother particle (ER (1)) and a Young's modulus of a convex portion of the toner mother particle (ER (2)) is a value (ER (1)/ER (2)) within the range of 1.2 to 2.0.

Toner for developing electrostatic latent image and manufacturing method thereof

To provide a toner for electrostatic charge image development which allows obtainment of excellent low temperature fixability and a document off-set resistance sufficiently and also inhibition of an excessive increase in glossiness of a formed fixed image, and a method for manufacturing the same. The toner for electrostatic charge image development includes toner particles containing a binder resin, a colorant, and a releasing agent, in which the binder resin contains at least an amorphous resin and an urethane modified crystalline resin including a crystalline polymer segment and an urethane polymer segment bound to each other, the urethane modified crystalline resin being non-compatible with the amorphous resin, and the amount of ionic dissociating group of the urethane modified crystalline resin is 5 to 20 mgKOH/g.

Toner for electrostatic charge image development and method for manufacturing the same

An image forming method which is capable of preventing occurrence of moire and forming images having sufficient color saturation and a sufficient gloss is provided. The color toner image is formed in accordance with a color image signal obtained through screen processing using a screen pattern having a screen line count of 50 to 270 lpi on manuscript image data, and the clear toner image is formed in accordance with a clear image signal obtained through contone processing on the manuscript image data. The clear image signal is controlled so that, according to the amount of the color toner per unit area of the stacked toner image obtained by the color toner image being superimposed with the clear toner image, the less the amount of the color toner, the more the amount of the clear toner becomes.

Image forming method

A foil transferring method employing an electrophotography is disclosed, in which a toner used for forming a foil transferring layer contains at least a vinyl based resin and a polyester based resin as a binder resin and an amount of the vinyl based resin is 50 to 95% by weight based on the total amount of the binder resin.

Foil transferring method and toner for forming foil transferring layer

A method of forming an image comprising the steps of: forming an image on an image support to obtain an original image, and forming a gloss adjusting layer comprising a clear toner-fixed image comprising a clear toner on the original image, wherein the gloss adjusting layer comprises an aggregate of gloss adjusting units, wherein the gloss adjusting units each comprise a section where the clear toner is attached and a section where the clear toner is unattached, wherein a borderline between the section where the clear toner is attached and the section where the clear toner is unattached comprises a straight line.

Image forming method and image forming apparatus

Provided are an image forming method by which an image in which arbitrary glossiness is adjusted to any section is formed, and an image forming apparatus thereof. It is a feature that an image forming method possesses the steps of forming a gloss adjusting layer possessing a gloss adjusting toner-fixed image formed with a gloss adjusting toner, on an image support, and forming a toner-fixed image obtained from a toner, on the gloss adjusting layer, wherein the gloss adjusting layer possesses an aggregate of gloss adjusting units; the gloss adjusting units each possess a section where the gloss adjusting toner is attached and another section where the gloss adjusting toner is unattached; and a borderline between the section and the another section is a straight line.

The non-contact information recording medium is made by forming the antenna circuit and connecting it to the IC module through connection terminals at the same time. This provides a high degree of freedom of patterning of the antenna circuit. The antenna circuit is formed on a recording substrate, in which an IC module has been embedded. A foil-bonding resin layer is formed on the connection terminals of the recording substrate, with a toner containing a binder resin by an electrophotographic method. Then a conductive foil is brought into contact with the foil-bonding resin layer to bond the foil to the resin layer, to connect the antenna circuit to the connection terminals and form the antenna circuit composed of the conductive foil.

Production process of non-contact information recording medium

An image forming method includes: performing a first gloss processing and a second gloss processing. The first gloss processing includes: heating and pressing a processed body which supports a first toner layer containing at least a clear toner [X] onto a first surface of a recording material, while allowing the first toner layer to be closely adhered to a gloss processing belt; and cooling the same. The second gloss processing includes heating and pressing a processed body which supports a second toner layer containing at least a clear toner [Y] onto a second surface of the recording material, while allowing the second toner layer to be closely adhered to the gloss processing belt; and cooling the same. Here, a storage elastic modulus G' X (150) at 150&#xb0; C. of the clear toner [X] is lower than a storage elastic modulus G&#x2032; Y (150) at 150&#xb0; C. of the clear toner [Y].

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Hino, Japan

Asao Matsushima