Progress of Toner for Electrophotographic Painting

Abstract

Ricoh has been mainly developing toner using polyester resins which have superiority of fixing property and coloring property, and producing chemical toner so called PxP toner since 2003. The ester elongation polymerization method of PxP toner has numerous merits that are not found in the conventional production one. This report introduces merits of the ester elongation polymerization method of PxP toner and it’s reaction analysis.