Patent ID: 8663886
Filing Date: 2014-03-04
Classification: G03G

Abstract:
1. A toner comprising: toner particles comprising at least one resin, in combination with an optional colorant, and an optional wax; and a polymeric toner additive on at least a portion of an external surface of the toner particles, the toner additive comprising an acrylate or methylacrylate copolymer comprising at least a first monomer having a high carbon to oxygen ratio of from about 3 to about 8with no amine functionality , a second monomer comprising two or more vinyl groups present in an amount from about 0.5 wt % to about 8 wt % of the copolmer, and at least a third acrylate or methylacrylate monomer comprising an amine present in an amount from about 0.5 wt % acrylate to about 5 wt % of the copolymer.