发明名称 ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
摘要 PROBLEM TO BE SOLVED: To provide an electrostatic charge image developing toner to be used for developing an electrostatic latent image in an electrophotographic method, electrostatic recording method, electrostatic printing method or the like, more particularly, to obtain an electrostatic charge image developing toner achieving sufficient low temperature fixing property and a wide fixing temperature region, and capable of giving a preferable high-definition image. SOLUTION: The toner is obtained by preparing an organic liquid phase by dissolving or dispersing at least a compound having an active hydrogen group, a polymer having a moiety reactive with the active hydrogen group, a colorant and a release agent in an organic solvent or by dissolving or dispersing a composition containing at least a part of the above compound having an active hydrogen group, the polymer having a moiety reactive with the active hydrogen group, the colorant and the release agent, dispersing the organic liquid phase in an aqueous medium to allow the compound having an active hydrogen group to react with the polymer having a moiety reactive with the hydrogen group, removing the organic solvent after or during the reaction, and cleaning and drying the product. The compound having an active hydrogen group has three or more primary or secondary amino groups in one molecule. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007079384(A) 申请公布日期 2007.03.29
申请号 JP20050269839 申请日期 2005.09.16
申请人 RICOH CO LTD 发明人 YAMADA MASAHIDE;EMOTO SHIGERU;WATANABE SHINKO;SAITO AKINORI;OKI MASAHIRO;SUGIYAMA KOSHIN;INOUE RYUTA;WAKAMATSU SHINICHI
分类号 G03G9/087;G03G9/08 主分类号 G03G9/087
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