Oblon, McClelland, Maier & Neustadt, L.L.P.
Toner, toner storage unit, image forming apparatus, and image forming method
A toner is provided. The toner comprises a colorant, a release agent, and a binder resin. The binder resin comprises a crystalline polyester resin and an amorphous polyester resin. The amorphous polyester resin comprises an amorphous polyester resin A and an amorphous polyester resin B. The amorphous polyester resin A comprises an isocyanurate backbone and at least one of urethane bond and urea bond. The amorphous polyester resin B comprises a trimellitic acid backbone and at least one of urethane bond and urea bond.
Ricoh Company, Ltd.
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Hiroyuki Junichi Hiroshi Masayuki Kohsuke
Takeda Awamura Yamada Ukigaya Nagata