Kneading and pulverizing method and apparatus for producing a toner, and a mixture for use in the method and apparatus

摘要

A mixture including at least a binder resin and a colorant and a kneader configured to knead such a mixture. The mixture may include air bubbles having a density from 104 to 108 pieces/cm³ and constituting from 65 to 95% of said mixture by volume. The kneader may be configured to knead the mixture under pressure upon application of heat to the mixture to prepare a kneaded mixture.