Electrophotographic toner
AssigneesToshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba
InventorShiho Moriya
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Abstract
An electrophotographic toner according to an embodiment includes toner particles, which contain a coloring material containing C.I. Pigment Red 48 and C.I. Pigment Red 122 at a weight ratio of from 30:70 to 80:20, a binder resin containing an amorphous polyester resin and a crystalline polyester resin, a wax, and a charge control agent, and which have a glass transition point (Tg) of from 30 to 45° C. and an acid value of from 10 to 17 mgKOH/g.
Claims10
An electrophotographic toner comprising toner particles
- containing a coloring material containing C.I. Pigment Red 48 and C.I. Pigment Red 122 at a weight ratio of from 30:70 to 80:20, a binder resin containing an amorphous polyester resin and a crystalline polyester resin, a wax, and a charge control agent, and
- having a glass transition point (Tg) of from 30 to 45° C. and an acid value of from 10 to 17 mgKOH/g.
An electrophotographic developer comprising at least a yellow toner, a cyan toner, and a magenta toner,
- the magenta toner including toner particles
- containing a coloring material containing C.I. Pigment Red 48 and C.I. Pigment Red 122 at a weight ratio of from 30:70 to 80:20, a binder resin containing an amorphous polyester resin and a crystalline polyester resin, a wax, and a charge control agent, and
- having a glass transition point (Tg) of from 30 to 45° C. and an acid value of from 10 to 17 mgKOH/g.
Dependencies are inferred from the claim text.