Toner compositions comprising vinyl resin and poly (3,4-ethylenedioxythiophene)

A comprising particles of a vinyl resin, an optional colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation process, wherein the toner particles comprise a core comprising the vinyl resin and optional colorant, said core having a surface, and, coated on the core, a coating comprising the poly(3,4-ethylenedioxythiophene), wherein the vinyl resin is a sulfonated vinyl resin, and wherein the sulfonated vinyl resin anchors the poly(3,4-ethylenedioxythiophene) to the core surface.

A toner comprising particles of a vinyl resin, an optional colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation process, wherein the emulsion aggregation process comprises (1) shearing a first ionic surfactant with a latex mixture comprising (a) a counterionic surfactant with a charge polarity of opposite sign to that of said first ionic surfactant, (b) a nonionic surfactant, and (c) the vinyl resin, thereby causing flocculation or heterocoagulation of formed particles of resin to form electrostatically bound aggregates;

• and (2) heating the electrostatically bound aggregates to form aggregates of at least about 1 micron in average particle diameter, wherein the toner particles comprise a core comprising the vinyl resin and optional colorant, said core having a surface, and, coated on the core, a coating comprising the poly(3,4-ethylenedioxythiophene), wherein the ionic surfactant has a sulfonate group thereon, wherein the ionic surfactant remains on the core surface, and wherein the ionic surfactant acts as a dopant for the poly(3,4-ethylenedioxythiophene).

A toner comprising particles of a vinyl resin, a colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation process, wherein the emulsion aggregation process comprises (1) preparing a colorant dispersion in a solvent, which dispersion comprises the colorant and a first ionic surfactant, (2) shearing the colorant dispersion with a latex mixture comprising (a) a counterionic surfactant with a charge polarity of opposite sign to that of said first ionic surfactant, (b) a nonionic surfactant, and (c) the vinyl resin, thereby causing flocculation or heterocoagulation of formed particles of colorant and resin to form electrostatically bound aggregates;

• and (3) heating the electrostatically bound aggregates to form aggregates of at least about 1 micron in average particle diameter wherein the toner particles comprise a core comprising the vinyl resin and colorant, said core having a surface, and, coated on the core, a coating comprising the poly(3,4-ethylenedioxythiophene), wherein one the ionic surfactant has a sulfonate group thereon, wherein the ionic surfactant remains on the core surface, and wherein ionic surfactant acts as a dopant for the poly(3,4-ethylenedioxythiophene).

A toner comprising particles of a vinyl resin, an optional colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation process, wherein the emulsion aggregation process comprises (1) shearing an ionic surfactant with a latex mixture comprising (a) a flocculating agent, (b) a nonionic surfactant, and (c) the vinyl resin, thereby cousins flocculation or heterocoagulation of formed particles of resin to form electrostatically bound aggregates;

• and (2) heating the electrostatically bound aggregates to form aggregates of at least about 1 micron in average particle diameter, wherein the toner particles comprise a core comprising the vinyl resin and optional colorant, said core having a surface, and, coated on the core, a coating comprising the poly(3,4-ethylenedioxythiophene), wherein the ionic surfactant has a sulfonate group thereon, wherein the ionic surfactant remains on the core surface, and wherein the ionic surfactant acts as a dopant for the ploy(3,4-ethylenedioxythiophene).

A toner comprising particles of a vinyl resin, a colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation process, wherein the emulsion aggregation process comprises (1) preparing a colorant dispersion in a solvent, which dispersion comprises the colorant and an ionic surfactant;

• (2) shearing the colorant dispersion with a latex mixture comprising (a) a flocculating agent (b) a nonionic surfactant, and (c) the vinyl resin, thereby causing flocculation or heterocoagulation of formed particles of colorant and resin to form electrostatically bound aggregates:
• and (3) heating the electrostatically bound aggregates to form aggregates of at least about 1 micron in average particle diameter, wherein the toner particles comprise a core comprising the vinyl resin and colorant, said core having a surface, and, coated on the core, a coating comprising the poly(3,4-ethylenedioxythiophene), wherein the ionic surfactant has a sulfonate group thereon, wherein the ionic surfactant remains on the core surface, and wherein the ionic surfactant acts as a dopant for the poly(3,4-ethylenedioxythiophene).

A toner comprising particles of a vinyl resin, an optional colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation process, wherein the toner particles comprise a core comprising the vinyl resin and optional colorant and, coated on the core, a coating comprising the poly(3,4-ethylenedioxythiophene), wherein the vinyl resin is a sulfonated vinyl resin, and wherein the sulfonated vinyl resin acts as a dopant for the poly(3,4-ethylenedioxythiophene).

A toner comprising particles of a vinyl resin, an optional colorant, and poly(3,4-ethylenedioxythiophene), wherein sold toner particles are prepared by an emulsion aggregation process, wherein said poly(3,4-ethylenedioxythiophene) has no more than about 100 repeat monomer units, wherein the poly(3,4-ethylenedioxythiophene) is doped with a dopant present in an amount of at least about 0.1 molar equivalent of dopant per molar equivalent of 3,4-ethylenedioxythiophene monomer and present in an amount of no more than about 5 molar equivalents of dopant per molar equivalent of 3,4-ethylenedioxythiophene monomer, wherein said poly(3,4-ethylenedioxythiophene) has at least about 3 repeat monomer units.