Emulsion Aggregation Toner Formulation
AssigneeLexmark International, Inc.
InventorsMichael James Bensing, Craig Michael Bertelsen, John Joseph Kraseski, Bryan Patrick Livengood, Jing X. Sun, Vincent Wen-Hwa Ting
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Abstract
An emulsion aggregation toner formulation for electrophotography and a method for preparation thereof. The emulsion aggregation toner formulation includes a polyester resin emulsion formed using an extruded polyester binder resin having a broad molecular weight distribution. The extruded polyester binder resin is formed using a plurality of polyester binder resins. Further, the emulsion aggregation toner formulation comprises at least one colorant dispersion and a wax dispersion.
Claims19
A method for preparing an emulsion aggregation toner formulation for electrophotography, the method comprising:
- extruding a plurality of polyester binder resins to form an extruded polyester binder resin having a broad molecular weight distribution;
- preparing a polyester resin emulsion using the extruded polyester binder resin;
- and
- combining and agglomerating the prepared polyester resin emulsion with at least one colorant dispersion and a wax dispersion to form the emulsion aggregation toner formulation.
An emulsion aggregation toner formulation for electrophotography, the emulsion aggregation toner formulation comprising:
- a polyester resin emulsion formed using an extruded polyester binder resin having a broad molecular weight distribution, the extruded polyester binder resin being formed using a plurality of polyester binder resins;
- at least one colorant dispersion;
- and
- a wax dispersion.
Dependencies are inferred from the claim text.