abstract |
(57) [Abstract] [Purpose] To provide an electrophotographic toner having excellent image characteristics, fixing characteristics, storage stability, plasticizer resistance, and stability of charging characteristics. [Structure] A polyester resin obtained from an aromatic polyvalent carboxylic acid having a sulfonate group, an ethanediol derivative, cyclohexanediol and the like, and further having a gel fraction of 0.5% by weight or less as a binder. The purpose is achieved by using it for resin. |