发明名称 Toner and method of preparing the toner
摘要 A toner is provided including a binder resin, a colorant, and a release agent, which has a volume average particle diameter (Dv) of from 3 to 9 μm, and wherein the binder resin and the release agent form a sea-island structure in which the island formed of the release agent is dispersed in the sea formed of the binder resin in a cross-sectional image of the toner obtained by a transmission electron microscope (TEM), and the following relationships are satisfied: IB>IA and IB>IC, wherein each of IA, IB, and IC represents an area ratio (%) of the island in an outermost region (A) of the cross-sectional image of the toner, an intermediate region (B) thereof located under the outermost region (A), and an innermost region (C) thereof located under the intermediate region (B); and a method of preparing the toner.
申请公布号 US7785760(B2) 申请公布日期 2010.08.31
申请号 US20070624453 申请日期 2007.01.18
申请人 RICOH COMPANY LIMITED 发明人 YAMAMOTO ATSUSHI;NOZAKI CHIYOSHI;NOZAKI TSUYOSHI;NAKAMURA MINORU;ISHIKAWA YOSHIMICHI
分类号 G03G9/08 主分类号 G03G9/08
代理机构 代理人
主权项
地址