Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Toner, image forming method, and process cartridge
A toner produced by a method including dissolving or dispersing toner components comprising a colorant and at least one of a binder resin and a precursor thereof in an organic solvent to prepare a toner components liquid, dispersing the toner components liquid in an aqueous medium including a surfactant, a particulate resin A having the same polarity as the surfactant and a volume average particle diameter of from 5 to 50 nm, and a particulate resin B having a volume average particle diameter of from 10 to 500 nm to form liquid droplets, and removing the organic solvent from the liquid droplets. The particulate resin B is incompatible with the binder resin and swells in the organic solvent.
Ricoh Company, Limited
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Shinichi Tsuyoshi Naohiro Hiroshi Masaki
Wakamatsu Sugimoto Watanabe Yamashita Watanabe