Patent ID: 7014973
Filing Date: 2006-03-21
Classification: G03G

Abstract:
1. A liquid electrophotographic toner composition comprising: a) a liquid carrier having a Kauri-Butanol number less than about 30 mL; and b) a plurality of toner particles dispersed in the liquid carrier, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions, wherein the S material portions and the D material portions have respective solubilities in the liquid carrier that are sufficiently different from each other such that the S material portions tend to be more solvated by the carrier while the D material portions tend to be more dispersed in the carrier, and wherein one or more of the S or D material portions comprises the residue of a Soluble High T the absolute difference in Hildebrand solubility parameters between the Soluble High T the D portions of the amphipathic copolymer each have a T