TONER WITH THE SUPERIOR BLOCKING RESISTANCE CHARACTERISTIC AND FLOWABILITY AND A METHOD FOR MANUFACTURING THE SAME CAPABLE OF SECURING THE SPECIFIC TRUE DENSITY/BULK DENSITY RATIO

摘要

PURPOSE: A toner with the superior blocking resistance characteristic and flowability and a method for manufacturing the same are provided to suppress the generation of contamination and scattering and improve the quality of images.;CONSTITUTION: Toner particles include a binding resin, a releasing agent, a coloring agent, and an external additive. The toner particles satisfy a relative formula, 2.0=RD/TD=2.5. In the relative formula, the RD is the true density of the toner particles. The TD is the bulk density of the toner particles. The TD value of the toner particles is between 0.43 and 0.55 g/cm^3. The external additive is titanium oxide and silica with the small diameter. The flowability of the toner particles is between 6.5 and 25.2%.;COPYRIGHT KIPO 2011