Konica Minolta, Inc.

Konica Minolta Business Technologies, Inc.

Akihiro Honya

Shinichi Hamaguchi

Shinichi Yabuki

Teruo Sasaki

Sadaaki Sakamoto

Go Yamaguchi

Kazunori Kurimoto

Junji Kanda

Ryo Nakayama

An intermediate transfer body includes: a base layer made of a resin; and a surface layer disposed on the base layer, wherein the surface layer is an integral object of inorganic oxide and contains a black titanium compound dispersed in the surface layer.

Intermediate transfer body, method for manufacturing the same, and image forming device

An intermediate transfer body used in an electrophotographic image forming device includes: at least a substrate layer and a surface layer, wherein the surface layer is formed by a cured product obtained by curing a coating liquid containing a curable compound, an inorganic filler, and a fluorine-based surfactant having a reactive group, and the surface layer has a pure water contact angle of 75&#xb0; or more and 90&#xb0; or less.

Intermediate transfer body, method for manufacturing intermediate transfer body, and image forming device

An endless intermediate transfer belt includes a substrate layer, and a surface layer to be disposed on the substrate layer. The surface layer is configured by a polymerized cured product of a radical polymerizable composition including a radical polymerizable monomer having a radical polymerizable functional group, an oxime ester-based photopolymerization initiator having a carbazole structure, and a metal oxide particle subjected to surface treatment. The radical polymerizable functional group corresponds to one or both of an acryloyl group and a methacryloyl group. The metal oxide particle subjected to surface treatment includes a metal oxide particle, and a substance for support, to be supported on a surface of the metal oxide particle.

Intermediate transfer belt, image forming apparatus, and method for producing intermediate transfer belt

An intermediate transfer member includes a resin substrate layer and a surface layer disposed on the substrate layer. The surface layer is a cured product of a resin composition containing a polyfunctional (meth)acrylate, a photopolymerization initiator, and a tertiary amine compound having a melting point of 30&#xb0; C. or more. In the tertiary amine compound, at least one hydrogen atom is bonded to one carbon atom out of three carbon atoms bonded to a nitrogen atom.

Intermediate transfer member, method for producing intermediate transfer member, and image forming apparatus

The present invention relates to an intermediate transfer member and an image forming apparatus. The intermediate transfer member is an intermediate transfer member having a resin-made base material layer and a surface layer; the surface layer is a cured substance of a composition containing a radically polymerizable vinylic compound and a metal oxide fine particle; and the vinylic compound has a structural unit represented by the following formula (1): 

Intermediate transfer member and image forming apparatus

An intermediate transfer member includes a resin substrate layer and a surface layer containing a cured product of a composition including a specific polyfunctional (meth)acrylic monomer and a specific fine particle of metal oxide.

Intermediate transfer member and image forming apparatus having the same

According to the present invention, increase in a dynamic friction force can be suppressed and cleaning performance of a cleaning member can be improved under any operating environment without additionally providing a special mechanism. An intermediate transfer member includes a substrate layer and a surface layer, the surface layer contains a cured product of a polymerizable monomer, and the monomer contains a compound represented by the following formula (1):A-[(L-B)-D](D)&#x2003;&#x2003;(1)

Intermediate transfer member, image forming apparatus and image forming method

A transfer member having high durability while having an excellent transfer function is provided. An image formation apparatus in which high quality images can be obtained for an extended period of time is also provided. A transfer member having an endless belt shape and constituting an image formation apparatus of an electrophotographic system includes an elastic body layer and a surface layer formed thereon. The surface layer contains metal oxide fine particles subjected to a surface treatment, in a cured resin obtained by curing an active energy ray-curable composition that contains three ingredients of a multifunctional (meth)acrylate, a polyurethane acrylate and a polymerizable component having a low surface energy group.

Transfer member and image formation apparatus

An intermediate transfer element is included in an image formation apparatus, has a shape like an endless belt, and includes at least a resin base material layer and a surface layer. The surface layer is composed of a cured (meth)acrylic resin, the cured (meth)acrylic resin contains a constitutional unit derived from a polyfunctional (meth)acrylic monomer, the polyfunctional (meth)acrylic monomer contains n alkylene oxide structures and m (meth)acryloyl groups, with relation of n/m&#x2266;5 and m&#x2267;3 (n and m being a positive integer) being satisfied, and the alkylene oxide structure contains an alkylene group having a carbon number not smaller than 2.

Intermediate transfer element and image formation apparatus including the same

A formation process of a glossy surface, without unevenness of gloss in a image on a print surface, nor toner offset or release failure over a long time period, is provided, where a surface of a belt member is composed of a resin containing structural units derived from a specific urethane (meth)acrylate (A), a specific polyfunctional monomer (B), and a fluorine-modified acrylate (C) and has the contact angle with respect to water of 85 to 110&#xb0;, and the melting energy &#x394;H of a wax in a clear toner is 2 to 20 J/g.

Formation process for glossy surface

Disclosed is a glossing device with a cooling and separating belt which has a high wear resistance and is allowed to maintain the initial surface property over a long period of time. In the glossing device, the cooling and separating belt has a front surface formed of a cured resin containing a structural unit derived from urethane(meth)acrylate (A) having three or more (meth)acryloyloxy groups per molecule, a structural unit derived from a polyfunctional monomer (B) having three or more (meth)acryloyloxy groups per molecule and no urethane bond, and a structural unit derived from fluorine-modified acrylate (C). The cured resin contains 18 to 63% by mass of the structural unit derived from the urethane(meth)acrylate (A), 18 to 63% by mass of the structural unit derived from the polyfunctional monomer (B), and 10 to 40% by mass of the structural unit derived from the fluorine-modified acrylate (C).

Glossing device

Disclosed are a belt member having high wear resistance and thereby capable of maintaining its initial surface properties for a long period of time and a fixing device provided with, the belt member, and an image forming apparatus. The belt member has a belt shape, and its surface is formed of a cured resin including a structural unit derived from urethane (meth)acrylate (A) having at least three (meth)acryloyloxy groups per molecule, a structural unit derived from a polyfunctional monomer (B) having no urethane bond and having at least three (meth)acryloyloxy groups per molecule, and a structural unit derived from a fluorine-modified acrylate (C). The cured resin contains 18 to 63% by mass of the structural unit derived from the urethane(meth)acrylate (A), 18 to 63% by mass of the structural unit derived from the polyfunctional monomer (B), and 10 to 40% by mass of the structural unit derived from the fluorine-modified acrylate(C).

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Tokyo, Japan

Akihiro Honya