TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT AND PROCESS FOR PRODUCING THE SAME

摘要

A toner for development of electrostatic images comprising carbon black as a colorant, wherein the carbon black has the following features: (1) the primary particle diameter being within a range of 28 to 60 nm; (2) the DBP oil absorption being within a range of 40 to 75 ml/100 g; and (3) the pH being within a range of 6.0 to 10.0, and a production process of the toner by a suspension polymerization process.