发明名称 Image forming apparatus, image forming method, and process cartridge
摘要 <p>To provide an image forming apparatus, image forming method and process cartridge, which are excellent in low-temperature fixation properties, storage stability, durability and filming resistance, can reduce generation of odor, and are capable of forming an extremely high quality image. The apparatus includes: a latent electrostatic image bearing member; a charging unit; an exposing unit; a developing unit; a transferring unit; and a fixing unit; wherein the toner comprises a binder resin and coloring agent, and the binder resin comprises a polyester-based resin (A) and polyester-based resin (B) having a melting point at least 10°C higher than that of the polyester-based resin (A), and at least one of the polyester-based resins (A) and (B) is a resin derived from a (meth)acrylic acid modified rosin and includes a polyester unit obtained by condensation polymerization of an alcohol component and a carboxylic acid component containing a (meth)acrylic acid modified rosin.</p>
申请公布号 EP1862859(B1) 申请公布日期 2011.09.14
申请号 EP20070109332 申请日期 2007.05.31
申请人 RICOH COMPANY, LTD. 发明人 IWAMOTO, YASUAKI;WATANABE, YOHICHIROH;SHITARA, YASUTADA
分类号 G03G9/087;G03G15/00;G03G21/18 主分类号 G03G9/087
代理机构 代理人
主权项
地址