发明名称 |
Electrostatic image developing toner, electrostatic image developer, image forming method and image forming apparatus |
摘要 |
An electrostatic image developing toner includes a toner mother particle that contains a binder resin and a releasing agent; and an external additive that contains a zinc compound particle and a silica particle, wherein the zinc compound particle has a number average particle diameter of from about 2.0μm to about 10.0μm, the silica particle has a number average particle diameter of from about 60 nm to about 250 nm, the number of free zinc compound particles in all toner particles is from about 0.2% by number to about 1.0% by number, and the free zinc compound particle has an average circularity of about 0.6 or less. |
申请公布号 |
US8679715(B2) |
申请公布日期 |
2014.03.25 |
申请号 |
US20090549936 |
申请日期 |
2009.08.28 |
申请人 |
OKITA MASAHIRO;KATAOKA RIEKO;FUJI XEROX CO., LTD. |
发明人 |
OKITA MASAHIRO;KATAOKA RIEKO |
分类号 |
G03G9/08 |
主分类号 |
G03G9/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|