发明名称 |
ELECTROPHOTOGRAPHIC TONER, DEVELOPER USING THE TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrophotographic toner that uses a crystalline resin accounting for at least 50 mass% or more of a binder resin as a substantial main component, and solves the problem of weakness in rubbing resistance of an output image that is unique to the crystalline resin without deteriorating fixability. <P>SOLUTION: An electrophotographic toner contains at least colorant, a binder resin, and a mold release agent. The binder resin contains 50 mass% or more of a crystalline resin having an urethane skeleton and/or an urea skeleton, and the mold release agent is a microcrystalline wax. <P>COPYRIGHT: (C)2013,JPO&INPIT |
申请公布号 |
JP2013068795(A) |
申请公布日期 |
2013.04.18 |
申请号 |
JP20110207195 |
申请日期 |
2011.09.22 |
申请人 |
RICOH CO LTD |
发明人 |
NAKAYAMA SHINYA;YAMAMOTO JUNJI;SANTO HIDEYUKI;YAMASHITA DAIKI;AMEMORI SUZUKA;YAMADA MASAHIDE |
分类号 |
G03G9/087;G03G9/08;G03G15/08 |
主分类号 |
G03G9/087 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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