公开(公告)号：US20140064809A1

公开(公告)日：2014-03-06

申请号：US13970644

申请日：2013-08-20

Applicant: Konica Minolta, Inc.

Inventor： Go YAMAGUCHI ,  Akihiro HONYA ,  Sadaaki SAKAMOTO

IPC: G03G15/20

CPC classification number: G03G15/2057 ,  G03G15/2021 ,  G03G15/6573 ,  G03G15/6585 ,  G03G2215/00805 ,  G03G2215/0081 ,  Y10T428/31551

Abstract: 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°, and the melting energy ΔH of a wax in a clear toner is 2 to 20 J/g.

Abstract translation: 提供光泽表面的形成过程，在印刷表面上的图像中没有光泽不均匀，以及长时间的调色剂偏移或释放故障，其中带部件的表面由含有结构单元的树脂 衍生自特定的氨基甲酸酯（甲基）丙烯酸酯（A），特定的多官能单体（B）和氟改性的丙烯酸酯（C），并且其相对于水的接触角为85〜110℃，熔融能量ΔH 在透明调色剂中的蜡为2至20J / g。

公开(公告)号：US20210080874A1

公开(公告)日：2021-03-18

申请号：US17000805

申请日：2020-08-24

Applicant: Konica Minolta, Inc.

Inventor： Daisuke IKEDA ,  Sadaaki SAKAMOTO ,  Ito KOGA ,  Shiori TSUGAWA

IPC: G03G15/16

Abstract: 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.

公开(公告)号：US20200379375A1

公开(公告)日：2020-12-03

申请号：US16854636

申请日：2020-04-21

Applicant: Konica Minolta, Inc.

Inventor： Ito KOGA ,  Sadaaki SAKAMOTO ,  Shiori TSUGAWA ,  Daisuke IKEDA

IPC: G03G15/16 ,  C08K3/22 ,  C09C1/36 ,  C09C1/04 ,  B32B27/28

Abstract: The present invention provides a means capable of achieving both excellent image transferability and thin paper separating property in an intermediate transfer belt. An embodiment of the present invention relates to an intermediate transfer belt including a substrate, in which the substrate contains at least one resin selected from the group consisting of polyimide, polyimide-imide, and polyetherimide and highly dielectric inorganic particles subjected to at least one surface treatment selected from the group consisting of a surface treatment with an oxide of at least one metal selected from the group consisting of aluminum, zinc, tin, lead, silicon, zirconium, and titanium and a surface treatment with a coupling agent.

公开(公告)号：US20180136589A1

公开(公告)日：2018-05-17

申请号：US15811202

申请日：2017-11-13

Applicant: Konica Minolta, Inc.

Inventor： Sadaaki SAKAMOTO ,  Shiori TSUGAWA ,  Ito KOGA

IPC: G03G15/01

CPC classification number: G03G15/162 ,  G03G21/168 ,  G03G2215/00059

Abstract: An intermediate transfer belt includes an elastic layer having a thickness of 200 to 300 μm, and a surface layer. The intermediate transfer belt has an electrostatic capacity per unit area of 13.5 to 14.5 pF/cm2. The electrostatic capacity has a standard deviation of 200 pF or less.

公开(公告)号：US20170139355A1

公开(公告)日：2017-05-18

申请号：US15345731

申请日：2016-11-08

Applicant: Konica Minolta, Inc.

Inventor： Eiichi YOSHIDA ,  Sadaaki SAKAMOTO ,  Takayuki SUZUKI ,  Ito KOGA

IPC: G03G15/01

CPC classification number: G03G15/162 ,  G03G15/0189

Abstract: 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.

公开(公告)号：US20160320725A1

公开(公告)日：2016-11-03

申请号：US15133664

申请日：2016-04-20

Applicant: Konica Minolta, Inc.

Inventor： Eiichi YOSHIDA ,  Sadaaki SAKAMOTO ,  Takayuki SUZUKI ,  Ito KOGA

IPC: G03G15/01

CPC classification number: G03G15/162

Abstract: 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.

Abstract translation: 示出了中间转印带和图像形成装置。 中间转印带将安装在电子照相成像设备中。 中间转印带依次包括基材; 弹性层; 和表面层。 表面层包括丙烯酸树脂，其包括氨基甲酸酯丙烯酸酯和选自具有脂环结构的单官能丙烯酸酯和具有杂环结构的单官能丙烯酸酯的一种或多种丙烯酸酯的共聚物。

公开(公告)号：US20130330560A1

公开(公告)日：2013-12-12

申请号：US13915073

申请日：2013-06-11

Applicant: Konica Minolta, Inc.

Inventor： Akihiro HONYA ,  Sadaaki SAKAMOTO ,  Go YAMAGUCHI

IPC: B32B9/04

CPC classification number: G03G15/1605 ,  G03G15/162 ,  Y10T428/31504

Abstract: An intermediate transfer member includes a substrate and a surface layer. The surface layer may be formed by exposure of UV of a coating film containing a curable composition and a metal oxide fine particle. The curable composition includes a polyorganosiloxane multifunctional vinyl copolymer and multifunctional (meth)acrylate. The multifunctional vinyl copolymer has a weight-average molecular weight of 5,000 to 100,000. The metal oxide fine particles include a polyorganosiloxane surface layer. The intermediate transfer member enables suppression of filming and is insusceptible to abrasion and scratches even in long-term use, has small surface energy, and is favorable for use in an electrophotographic image forming apparatus.

Abstract translation: 中间转印部件包括基板和表面层。 表面层可以通过曝光包含可固化组合物和金属氧化物细颗粒的涂膜的UV来形成。 可固化组合物包括聚有机硅氧烷多官能乙烯基共聚物和多官能（甲基）丙烯酸酯。 多官能乙烯基共聚物的重均分子量为5,000〜100,000。 金属氧化物微粒包括聚有机硅氧烷表面层。 中间转印部件能够抑制成膜，即使长期使用也不易磨损和划痕，表面能小，有利于电子照相成像装置。

公开(公告)号：US20130302076A1

公开(公告)日：2013-11-14

申请号：US13886402

申请日：2013-05-03

Applicant: KONICA MINOLTA, INC.

Inventor： Sadaaki SAKAMOTO ,  Go YAMAGUCHI ,  Akihiro HONYA

IPC: G03G15/20

CPC classification number: G03G8/00 ,  G03G15/6585 ,  G03G21/00 ,  G03G2215/00805

Abstract: 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).

Abstract translation: 公开了一种具有冷却和分离带的光泽装置，其具有高耐磨性并且允许其在长时间内保持初始表面性质。 在光泽装置中，冷却分离带具有由含有每分子具有三个以上（甲基）丙烯酰氧基的氨基甲酸酯（甲基）丙烯酸酯（A））衍生的结构单元的固化树脂形成的前表面， 每分子具有三个以上（甲基）丙烯酰氧基且不具有氨基甲酸酯键的多官能单体（B）和衍生自氟改性丙烯酸酯（C）的结构单元。 固化树脂含有来自氨基甲酸酯（甲基）丙烯酸酯（A）的结构单元的18〜63质量％，来自多官能单体（B）的结构单元为18〜63质量％），10〜40质量％ 的衍生自氟改性丙烯酸酯（C）的结构单元。

公开(公告)号：US20170090353A1

公开(公告)日：2017-03-30

申请号：US15265255

申请日：2016-09-14

Applicant: Konica Minolta, Inc.

Inventor： Sadaaki SAKAMOTO ,  Takayuki Suzuki ,  Ito Koga ,  Eiichi Yoshida

IPC: G03G15/01

CPC classification number: G03G15/162 ,  G03G2215/0135

Abstract: 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.

公开(公告)号：US20170010565A1

公开(公告)日：2017-01-12

申请号：US15178087

申请日：2016-06-09

Applicant: Konica Minolta, Inc.

Inventor： Eiichi YOSHIDA ,  Sadaaki SAKAMOTO ,  Takayuki SUZUKI ,  Ito KOGA

IPC: G03G15/01

CPC classification number: G03G15/162 ,  G03G2215/0135

Abstract: 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 has an elongation of 5% or more and a stress of 5 MPa or more at an elastic limit determined by a stress-strain curve obtained according to JIS K7161.

Abstract translation: 示出了中间转印带和图像形成装置。 中间转印带将安装在电子照相成像设备中。 中间转印带依次包括基材; 弹性层; 和表面层。 在根据JIS K7161求出的应力 - 应变曲线确定的弹性极限下，表面层的伸长率为5％以上，应力为5MPa以上。