| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide toner that has stable low-temperature fixability and high-temperature offset resistance, and excellent charge stability when negatively charged, developer containing the toner, and an image forming apparatus. <P>SOLUTION: Electrophotographic toner is granulated from oil-phase aqueous medium dispersion or emulsion containing a toner material. A binder resin in the electrophotographic toner contains a resin obtained by reacting (A) an epoxy resin prepolymer, (B) a polyalkylene oxide adduct of a divalent phenol, (C) a phenol compound and/or an alcohol compound, and (D) a calboxylic acid compound. <P>COPYRIGHT: (C)2013,JPO&INPIT |
