Yellow toner and method for producing the yellow toner

摘要

A yellow toner is provided which is much more improved in color development and chroma, and much more improved in light resistance. The yellow toner contains, at least, a binder resin, a wax, and a coloring agent. The coloring agent is a compound represented by the following general formula (1).;

主权项

1. A yellow toner comprising, at least, a binder resin, a wax, and a coloring agent,
wherein the coloring agent is a compound represented by general formula (1): wherein: R1 and R2 each independently represent a hydrogen atom, an alkyl group, or an aryl group; R3 represents a hydrogen atom, an alkyl group, an aryl group, or an alkoxy group; R4 and R5 each independently represent a hydrogen atom or an amino group; X1 to X3 each independently represent a carbon atom or a nitrogen atom; Al and A2 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a carbamoyl group, a carboxylate ester group, a carboxylic acid amide group, a sulfonate ester group, a sulfonic acid amide group, a trifluoromethyl group, a cyano group, a hydroxy group, a nitro group, an amino group, or a halogen atom; and n represents an integer of 1 to 5.