发明名称 Toner for developing electrostatic latent image
摘要 An improved toner comprises a binder resin comprising a urea-modified polyester resin; a colorant master batch comprising a colorant; a resin; and a pigment dispersant. The toner is prepared by a method comprising dissolving or dispersing toner compositions including a modified polyester resin capable of forming the urea-modified polyester resin and the colorant master batch in an organic solvent to provide a liquid; dispersing the liquid in an aqueous medium including resin fine particles while reacting the modified polyester resin with at least one of a crosslinker and an elongation agent to provide particles; and washing the particles after removing the organic solvent therefrom.
申请公布号 US2004115551(A1) 申请公布日期 2004.06.17
申请号 US20030674358 申请日期 2003.10.01
申请人 RICOH KK 发明人 SUGIYAMA TSUNEMI;YAMASHITA HIROSHI;WATANABE YOHICHIROH;SAITO TAKUYA;TAKADA TAKESHI;SUZUKI MASANORI
分类号 G03G9/08;G03G9/087;G03G9/09;(IPC1-7):G03G9/087 主分类号 G03G9/08
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