公开(公告)号：EP2463722B1

公开(公告)日：2017-07-26

申请号：EP09848032.0

申请日：2009-08-21

申请人： Shin-Etsu Polymer Co. Ltd.

发明人： TAKEUCHI, Tomoharu ,  TAKANASHI, Hiroyuki ,  OHKUBO, Taichi

IPC分类号： G03G15/02 ,  G03G15/16 ,  G03G15/20 ,  G03G15/08

CPC分类号： G03G15/0233 ,  G03G15/0818 ,  G03G15/1685 ,  G03G15/2057

公开(公告)号：EP2667258B1

公开(公告)日：2017-05-10

申请号：EP11856388.1

申请日：2011-02-24

申请人： Shin-Etsu Polymer Co. Ltd.

发明人： TAKEUCHI, Tomoharu ,  OHKUBO, Taichi

IPC分类号： G03G15/08 ,  C09D5/24 ,  C09D7/12 ,  C09D175/04 ,  C09D183/04 ,  C09D201/06

CPC分类号： G03G15/0806 ,  C08G18/4238 ,  C08G18/73 ,  C08K3/04 ,  C08K3/36 ,  C08K2201/001 ,  C08L27/18 ,  C09D7/61 ,  C09D7/65 ,  C09D175/04 ,  C09D175/06 ,  G03G15/0818

摘要： Provided are a developing roller 1 having an elastic layer 3 formed on an outer circumferential face of a shaft 2 and a coating layer 4 formed on an outer circumferential face of the elastic layer 3, wherein the coating layer 4 is composed of first coating layers 4A that are formed at respective edges across the elastic layer, and a second coating layer 4B formed between the first coating layers 4A, and wherein the first coating layers contain a resin obtained through a reaction of a polyol with a silane-coupling agent, fluororesin particles, and an electric conductivity agent; and the second coating layer contains a urethane resin, an ionic liquid, an electric conductivity agent, and filler particles; and a development apparatus and an image-forming device having the developing roller. The provided are capable of keeping the image quality high and of arresting leakage of the toner satisfactorily.

摘要翻译： 本发明提供一种显影辊1，其具有形成在轴2的外周面上的弹性层3和形成在弹性层3的外周面上的涂层4，其中涂层4由第一涂层4A 其形成在横跨弹性层的各个边缘处;以及第二涂层4B，其形成在第一涂层4A之间，并且其中第一涂层包含通过多元醇与硅烷偶联剂反应获得的树脂，氟树脂颗粒 和导电剂; 并且第二涂层含有聚氨酯树脂，离子液体，导电剂和填料粒子; 以及具有显影辊的显影装置和图像形成装置。 所提供的能够令人满意地保持图像质量并防止墨粉泄漏。

公开(公告)号：EP2463722A1

公开(公告)日：2012-06-13

申请号：EP09848032.0

申请日：2009-08-21

申请人： Shin-Etsu Polymer Co. Ltd.

发明人： TAKEUCHI, Tomoharu ,  TAKANASHI, Hiroyuki ,  OHKUBO, Taichi

IPC分类号： G03G15/08 ,  F16C13/00

CPC分类号： G03G15/0233 ,  G03G15/0818 ,  G03G15/1685 ,  G03G15/2057

摘要： This invention provides an electrically conductive roller capable of forming an image without fogging even in a low humidity environment and an image-forming device. Specifically, the invention relates to an electrically conductive roller 1 has an elastic layer 3 formed on an outer circumferential surface of a shaft 2 and a urethane coat layer 4 formed on an outer circumferential surface of the elastic layer 3, wherein the urethane coat layer 4 includes a urethane resin, and at least one ionic liquid selected from the group consisting of pyridinium ionic liquids and amine ionic liquids, in an amount from 1 to 20 parts by mass to 100 parts by mass of the urethane resin; and an image-forming device equipped with the electrically conductive roller 1.

公开(公告)号：EP2667258A1

公开(公告)日：2013-11-27

申请号：EP11856388.1

申请日：2011-02-24

申请人： Shin-Etsu Polymer Co. Ltd.

发明人： TAKEUCHI, Tomoharu ,  OHKUBO, Taichi

IPC分类号： G03G15/08 ,  C09D5/24 ,  C09D7/12 ,  C09D175/04 ,  C09D183/04 ,  C09D201/06

CPC分类号： G03G15/0806 ,  C08G18/4238 ,  C08G18/73 ,  C08K3/04 ,  C08K3/36 ,  C08K2201/001 ,  C08L27/18 ,  C09D7/61 ,  C09D7/65 ,  C09D175/04 ,  C09D175/06 ,  G03G15/0818

摘要： Provided are a developing roller 1 having an elastic layer 3 formed on an outer circumferential face of a shaft 2 and a coating layer 4 formed on an outer circumferential face of the elastic layer 3, wherein the coating layer 4 is composed of first coating layers 4A that are formed at respective edges across the elastic layer, and a second coating layer 4B formed between the first coating layers 4A, and wherein the first coating layers contain a resin obtained through a reaction of a polyol with a silane-coupling agent, fluororesin particles, and an electric conductivity agent; and the second coating layer contains a urethane resin, an ionic liquid, an electric conductivity agent, and filler particles; and a development apparatus and an image-forming device having the developing roller. The provided are capable of keeping the image quality high and of arresting leakage of the toner satisfactorily.

摘要翻译： 提供一种显影辊1，其具有形成在轴2的外周面上的弹性层3和形成在弹性层3的外周面上的涂层4，其中涂层4由第一涂层4A 形成在第一涂层4A之间形成的第二涂层4B，其中第一涂层含有通过多元醇与硅烷偶联剂的反应获得的树脂，氟树脂颗粒 ，和导电剂; 并且第二涂层含有聚氨酯树脂，离子液体，导电剂和填料颗粒; 以及具有显影辊的显影装置和图像形成装置。 所提供的能够使图像质量保持高并且令人满意地阻止调色剂的泄漏。