发明名称 MAGENTA TONER, DEVELOPER, MANUFACTURING METHOD FOR THE TONER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
摘要 <P>PROBLEM TO BE SOLVED: To provide a magenta toner or the like having an excellent spectral reflection characteristic for color reproduction, high chromaticity and a high reflection density characteristic, having a clear magenta color, improved in dispersibility to binder resin to attain high coloring performance, and improved in transparency. Ž<P>SOLUTION: This magenta toner is characterized in that: the toner contains at least binder resin, a pigment and a pigment dispersing agent; the pigment contains C.I. Pigment Red 122 and C.I. Pigment Violet 19; a solution obtained by dissolving 10 g of the toner in 40 g of tetrahydrofuran is applied on a base material by using a 0.3 mm wire bar; and the haze degree of a coating film is from 0.1 to 25. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010020019(A) 申请公布日期 2010.01.28
申请号 JP20080179479 申请日期 2008.07.09
申请人 RICOH CO LTD 发明人 TANIGUCHI KEIJI
分类号 G03G9/09;G03G9/08;G03G9/087 主分类号 G03G9/09
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