Patent ID: 8039187
Filing Date: 2011-10-18
Classification: G03G

Abstract:
1. An emulsion aggregation toner composition comprising toner particles comprising: an unsaturated sulfonated polyester resin, wherein the unsaturated sulfonated polyester resin is a mixture of an amorphous resin and a crystalline resin, and the ratio of crystalline resin to amorphous resin is from about 5:95 to about 25:75 by weight; an optional colorant; an optional wax; an optional coagulant; and a photo initiator capable of initiating crosslinking of said unsaturated polyester resin, wherein the toner particles have a lower number ratio geometric standard deviation of about 1.15 to about 1.30, and an upper geometric standard deviation by volume of about 1.15 to about 1.30.