发明名称 TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
摘要 <p>PROBLEM TO BE SOLVED: To provide a toner that exhibits an excellent heat-resistant storage property, hot-offset resistance, and low-temperature fixability even when a resin including a polylactic acid skeleton is used as a substantial main component.SOLUTION: A toner contains, as a binder resin, a copolymer in which a polyester segment (B) having a polyhydroxycarboxylic acid skeleton is grafted to the terminal of a crystalline polyester segment (A) formed by condensing a tri- or more-valent alcohol or carboxylic acid, diol, and dicarboxylic acid, where the polyhydroxycarboxylic acid skeleton comprises an L body and D body of a polyhydroxycarboxylic acid being an optical activator, and their weight ratio L/D is 0.14 or more and 7 or less.</p>
申请公布号 JP2015166808(A) 申请公布日期 2015.09.24
申请号 JP20140041377 申请日期 2014.03.04
申请人 RICOH CO LTD 发明人 SEKIGUCHI AKIYUKI;ASAHINA DAISUKE;MIYAAKE AMI
分类号 G03G9/087 主分类号 G03G9/087
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