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
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