发明名称 IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
摘要 An image forming apparatus including a charging unit, an exposing unit, a developing unit, a transferring unit, and a fixing unit. A toner containing a colorant and a binder resin which contains a polyester resin (A) and a polyester resin (B) having a softening point 10° C. or more higher than that of the polyester resin (A); the polyester resin (A) is a (meth)acrylic acid-modified rosin derived resin having a polyester unit obtained by polycondensation of an alcohol component, which contains 65 mol % or more of 1,2-propanediol in a dihydric alcohol component, and a carboxylic acid component containing a (meth)acrylic acid-modified rosin; the polyester resin (B) is a purified rosin derived resin having a polyester unit obtained by polycondenstation of an alcohol component, which contains a total of 70 mol % or more of 1,2-propanediol and 1,3-propanediol in a dihydric alcohol component, and a carboxylic acid component containing purified rosin.
申请公布号 US2008318143(A1) 申请公布日期 2008.12.25
申请号 US20080142311 申请日期 2008.06.19
申请人 NAKAYAMA SHINYA;KOTSUGAI AKIHIRO;SABU AKIYOSHI 发明人 NAKAYAMA SHINYA;KOTSUGAI AKIHIRO;SABU AKIYOSHI
分类号 G03G13/04;G03G15/08 主分类号 G03G13/04
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