公开(公告)号：US20180088500A1

公开(公告)日：2018-03-29

申请号：US15698815

申请日：2017-09-08

Applicant: Konica Minolta, Inc.

Inventor： Izumi MUKOYAMA ,  Hirofumi KOGA ,  Naoko UEMURA ,  Asao MATSUSHIMA

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2057 ,  G03G15/2064

Abstract: 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.

公开(公告)号：US20160011532A1

公开(公告)日：2016-01-14

申请号：US14796530

申请日：2015-07-10

Applicant: Konica Minolta, Inc.

Inventor： Mikio KOUYAMA ,  Hiroyuki FUKUDA ,  Shiro HIRANO ,  Asao MATSUSHIMA

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/0806 ,  G03G9/08711 ,  G03G9/08764 ,  G03G9/08795 ,  G03G9/08797

Abstract: 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.

Abstract translation: 根据本发明的调色剂用于静电潜像显影，并且具有含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒。 粘合剂树脂由非结晶性树脂和结晶性树脂构成。 调色剂满足由结晶性树脂的吸热特性指定的特定表达式，调色剂的吸热性和调色剂颗粒中粘合剂树脂的含量比表示的关系。

公开(公告)号：US20150234306A1

公开(公告)日：2015-08-20

申请号：US14616212

申请日：2015-02-06

Applicant: Konica Minolta, Inc.

Inventor： Mikio KOUYAMA ,  Natsuko FUJISAKI ,  Asao MATSUSHIMA ,  Ken OHMURA ,  Tatsuya NAGASE

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08764 ,  G03G9/08795 ,  G03G9/08797

Abstract: 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.

Abstract translation: 为了提供静电荷图像显影用调色剂及其制造方法，能够充分获得优异的低温定影性和文档偏移电阻，并且抑制形成的固定图像的光泽度的过度增加。 用于静电荷图像显影的调色剂包括含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒，其中粘合剂树脂至少含有无定形树脂和包含结晶聚合物链段和氨基甲酸酯聚合物链段的氨基甲酸酯改性结晶树脂 氨基甲酸酯改性结晶性树脂与无定形树脂不相容，氨基甲酸酯改性结晶性树脂的离子解离基团的量为5〜20mgKOH / g。

公开(公告)号：US20190235427A1

公开(公告)日：2019-08-01

申请号：US16249002

申请日：2019-01-16

Applicant: Konica Minolta, Inc.

Inventor： Izumi MUKOYAMA ,  Naoko UEMURA ,  Akiko KAWAMURA ,  Asao MATSUSHIMA

IPC: G03G15/20

CPC classification number: G03G15/2057

Abstract: 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 μm.

公开(公告)号：US20160070185A1

公开(公告)日：2016-03-10

申请号：US14837600

申请日：2015-08-27

Applicant: Konica Minolta Inc.

Inventor： Mikio KOUYAMA ,  Hiroyuki FUKUDA ,  Shiro HIRANO ,  Asao MATSUSHIMA

IPC: G03G9/08 ,  G03G9/087

CPC classification number: G03G9/0806 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

Abstract: 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.

Abstract translation: 一种制造由由无定形树脂和结晶树脂制成的粘合树脂制成的静电潜像显影调色剂的方法，以及含有脱模剂和着色剂的调色剂颗粒的方法，包括：添加用于形成无定形树脂的单体， 在水性介质中，在含有结晶性树脂的微粒子的存在下，进行聚合，得到作为含有结晶性树脂的微细颗粒的涂布树脂微粒，该微粒被无定形树脂涂布; 并且在水性介质中，在絮凝剂存在下，将至少包含非晶质树脂，涂覆树脂微粒和含有着色剂的细颗粒的微粒絮凝和熔融，得到调色剂颗粒，其中具有浓度 在聚合反应中加入一到五次临界胶束浓度的水性介质。

公开(公告)号：US20180284665A1

公开(公告)日：2018-10-04

申请号：US15934323

申请日：2018-03-23

Applicant: Konica Minolta, Inc.

Inventor： Izumi MUKOYAMA ,  Naoko UEMURA ,  Asao MATSUSHIMA

IPC: G03G15/20

CPC classification number: G03G15/2057 ,  G03G15/16 ,  G03G15/2025 ,  G03G15/2039 ,  G03G15/757 ,  G03G2215/2032

Abstract: 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 μm. The second uneven profile is represented as Rz of 0.5 to 0.9 μm.

公开(公告)号：US20170277090A1

公开(公告)日：2017-09-28

申请号：US15455806

申请日：2017-03-10

Applicant: Konica Minolta, Inc.

Inventor： Izumi MUKOYAMA ,  Hirofumi KOGA ,  Naoko UEMURA ,  Asao MATSUSHIMA

IPC: G03G15/20

CPC classification number: G03G15/2053 ,  G03G15/2057 ,  G03G2215/2032

Abstract: Provided is a fixing belt wherein a base layer made of heat-resistant resin, an elastic layer made of an elastic material, and a release layer are laminated in this order, and the elastic layer has a linear thermal expansion coefficient of −4.0×10−4 (1/K) or more and 1.0×10−4 (1/K) or less.

公开(公告)号：US20150072285A1

公开(公告)日：2015-03-12

申请号：US14476090

申请日：2014-09-03

Applicant: Konica Minolta, Inc.

Inventor： Junichi FURUKAWA ,  Shiro HIRANO ,  Kenshi MIYAJIMA ,  Naoya TONEGAWA ,  Asao MATSUSHIMA ,  Tatsuya NAGASE

IPC: G03G9/08 ,  G03G9/087

CPC classification number: G03G9/0827 ,  G03G9/0804 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08711 ,  G03G9/08755

Abstract: 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 μm. 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.

Abstract translation: 根据一个实施方式，调色剂包括调色剂母粒子和调色剂母粒子表面上的凸起部分。 调色剂母粒包括至少一种树脂（1）。 凸部由至少包含树脂（2）的树脂颗粒形成。 凸部的长边的长度的平均值在0.1〜0.5μm的范围内。 调色剂母粒子（ER（1））的非凸部的杨氏模量与调色剂母粒子（ER（2））的凸部的杨氏模量之比为ER（1） / ER（2））在1.2至2.0的范围内。