Toner compositions and additives
Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles including at least one resin, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the toner particles. The polymeric toner additive includes a polymeric resin including a fluorinated monomer, wherein the polymeric resin is less than 10% by weight crosslinked, and optionally a charge control agent comprising nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.
1. A toner composition comprising: emulsion aggregation toner particles comprising at least one polyester amorphous resin and one polyester crystalline resin, a surfactant, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the emulsion aggregation toner particles, the polymeric toner additive comprising:
a polymeric resin comprising a fluorinated monomer consisting of trifluoromethacrylate, wherein the polymeric resin is less than 10% by weight crosslinked, and optionally a charge control agent monomer comprising a nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.
2. The toner composition of claim 1 , wherein the charge control agent monomer comprises an acrylate monomer or a methacrylate monomer.
3. The toner composition of claim 1 , wherein the polymeric resin further comprises a non-fluorinated hydrophobic monomer.
4. The toner composition of claim 1 , wherein the polymeric resin further comprises cyclohexyl methacrylate.
5. The toner composition of claim 1 , wherein the polymeric resin is flattened on a surface of the toner particles.
6. The toner composition of claim 1 , further comprising at least one additive selected from the group of silica, titania, alumina, and a cross-linked non-fluorinated organic surface additive.
7. The toner composition of claim 1 , wherein the emulsion aggregation toner particles comprise a size from about 4 micron to about 10 microns.
8. The toner composition of claim 1 , further comprising a cleaning additive selected from the group consisting of: stearates, cerium oxide, and strontium titanate.
9. The toner composition of claim 1 , wherein the polymeric additive comprises from 0.1 weight percent to 5 weight percent of the toner composition.
10. The toner composition of claim 1 , wherein the polymeric additive comprises a size of from 25 nanometers to 250 nanometers.
11. A developer comprising: a toner composition; and a toner carrier, wherein the toner composition comprises: emulsion aggregation toner particles comprising at least one polyester amorphous resin and one polyester crystalline resin, a surfactant, an optional colorant, an optional wax, and a polymeric toner additive on at least a portion of an external surface of the emulsion aggregation toner particles, the polymeric toner additive comprising:
a polymeric resin comprising a fluorinated monomer consisting of trifluoromethacrylate, wherein the polymeric resin is less than 10% by weight crosslinked, and a charge control agent monomer comprising nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.
12. The developer of claim 11 , wherein the charge control agent monomer comprises an acrylate monomer or a methacrylate monomer.
13. The developer of claim 11 , wherein the polymeric resin further comprises a non-fluorinated hydrophobic monomer.
14. The developer of claim 11 , wherein the polymeric resin further comprises cyclohexyl methacrylate.
15. The developer of claim 11 , wherein the polymeric resin is flattened on a surface of the toner particles.
16. The developer of claim 11 , further comprising an additive selected from the group of silica, titania, alumina, and a cross-linked non-fluorinated organic surface additive.
17. A toner additive composition comprising: emulsion aggregation toner particles including at least polyester amorphous one resin and one polyester crystalline resin, and a surfactant, and:
a polymeric resin comprising a fluorinated monomer consisting of trifluoromethacrylate, wherein the polymeric resin is less than 10% by weight crosslinked, and a charge control agent monomer comprising nitrogen containing group at 0.1 wt % to 1.5 wt % of the polymeric resin.
18. The toner composition of claim 17 , wherein the emulsion polymerization polymeric resin comprises a size of from 25 nanometers to 250 nanometers.