Master batch pigment, toner including the master batch pigment and method for manufacturing the toner

摘要

A method is provided for manufacturing a master batch pigment fora toner, including the steps of mixing a dry pigment powder, a binder resin and water to prepare a mixture thereof; and kneading the mixture upon application of heat to prepare the master batch pigment, wherein the master batch pigment has a weight loss of from 0.01 to 1.0% when heated at 110° C. for 2 hrs.