Toner and developer compositions with pyridinium compounds and tetrasubstituted ammonium salts as charge enhancing additives

摘要

Toner and developer compositions contain as charge enhancing components (1) alkyl pyridinium compounds or their hydrates and (2) tetrasubstituted ammonium salts. These toner and developer compositions show improved LC50 values and are environmentally friendly, and at the same time have very good electrical properties.