Toner comprising reactive charge control agent

A developer comprising:

• an emulsion aggregation toner particle, and a toner carrier;
• wherein the emulsion aggregation toner particle comprises:
• at least one resin;
• an optional colorant;
• an optional wax;
• and a reactive charge control agent disposed on a surface of the toner particle;
• wherein the reactive charge control agent comprises at least one positive charging compound, wherein the at least one positive charging compound comprises a member selected from the group consisting of an amine compound having at least 3 carbon atoms, an ammonium compound having at least 3 carbon atoms, a phosphonium compound having at least 3 carbon atoms, a boronium compound having at least 3 carbon atoms, and combinations thereof;
• at least one reactive anchoring compound, wherein the at least one reactive anchoring compound comprises a member selected the group consisting of amino, epoxy, carboxylic, hydroxyl, silanol, cyanide, anhydride, aldehyde, ketone, vinyl, and combinations thereof;
• and wherein the charge control agent optionally further comprises a negative charging compound, wherein the negative charging compound comprises a member selected from the group consisting of aromatic carboxylic acid, silanol, phenol, pyranone, furanone, and combinations thereof-;
• wherein the reactive charge control agent comprises a member of the group consisting of phenylsilane, amino-silsesquioxane, aminopropyl-silsesquioxane, and combinations thereof.

An emulsion aggregation toner comprising:

• a toner particle comprising at least one resin;
• an optional colorant;
• an optional wax;
• and
• a reactive charge control agent disposed on a surface of the toner particle;
• wherein the reactive charge control agent comprises a member of the group consisting of phenylsilane, amino-silsesquioxane, aminopropyl-silsesquioxane, aminopropyl/methylsilsesquioxane, and combinations thereof.

A developer comprising:

• an emulsion aggregation toner particle, and a toner carrier;
• wherein the emulsion aggregation toner particle comprises:
• at least one resin;
• an optional colorant;
• an optional wax;
• and a reactive charge control agent disposed on a surface of the toner particle;
• wherein the reactive charge control agent comprises a member of the group consisting of phenylsilane, amino-silsesquioxane, aminopropyl-silsesquioxane, aminopropyl/methylsilsesquioxane, and combinations thereof.

An emulsion aggregation toner process comprising:

• obtaining a latex of at least one resin;
• obtaining an aqueous dispersion of a colorant;
• obtaining an aqueous dispersion of a wax;
• forming a mixture of the latex of at least one resin, the aqueous dispersion of the colorant, and the aqueous dispersion of the wax;
• heating the mixture to a first temperature;
• maintaining the first temperature to form aggregated toner particles;
• adding a latex of shell resin to form a shell over the aggregated particles;
• optionally, adding a solution of a chelating agent;
• stopping further aggregation and raising the temperature to a second temperature that is higher than the first temperature to coalesce the aggregated particles forming emulsion aggregation toner particles;
• cooling, optionally washing, optionally drying, and recovering the emulsion aggregation toner particles;
• introducing a reactive charge control agent to the emulsion aggregation toner particles, forming emulsion aggregation toner particles containing the reactive charge control agent;
• wherein the reactive charge control agent comprises at least one positive charging compound, wherein the at least one positive charging compound comprises a member selected from the group consisting of an amine compound having at least 3 carbon atoms, an ammonium compound having at least 3 carbon atoms, a phosphonium compound having at least 3 carbon atoms, a boronium compound having at least 3 carbon atoms, and combinations thereof;
• at least one reactive anchoring compound, wherein the at least one reactive anchoring compound comprises a member selected the group consisting of amino, epoxy, carboxylic, hydroxyl, silanol, cyanide, anhydride, aldehyde, ketone, vinyl, and combinations thereof;
• and wherein the charge control agent optionally further comprises a negative charging compound, wherein the negative charging compound comprises a member selected from the group consisting of aromatic carboxylic acid, silanol, phenol, pyranone, furanone, and combinations thereof
• wherein the reactive charge control agent comprises a member of the group consisting of phenylsilane, amino-silsesquioxane, aminopropyl-silsesquioxane, and combinations thereof.